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[1] Yoshiki Obinata, Kento Kawaharazuka, Naoaki Kanazawa, Naoya Yamaguchi, Iori Yanokura, Shingo Kitagawa, Kei Okada, Masayuki Inaba:
Situation classification of living environment by daily life support robot using pre-trained large-scale vision-language model,
Advanced Robotics, Vol.39, No.7, pp.323-337, 2025. DOI:10.1080/01691864.2025.2487608 URL:https://doi.org/10.1080/01691864.2025.2487608
[2] Liqi Wu, Haoyu Jia, Kento Kawaharazuka, Hirokazu Ishida, Kei Okada:
Dexterous grasp data augmentation based on grasp synthesis with fingertip workspace cloud and contact-aware sampling,
Advanced Robotics, Vol.39, No.12, pp.730-747, 2025. DOI:10.1080/01691864.2025.2524553 URL:https://doi.org/10.1080/01691864.2025.2524553
[3] Tasuku Makabe, Shun Hasegawa, Kei Okada:
Configuration Method of Component-Type Transformer Robot System,
Journal of Robotics Society of Japan, Vol.43, No.9, pp.870--878, 2025. DOI:10.7210/jrsj.43.870
[4] Jin Hirai, Takuma Hiraoka, Masanori Konishi, Hiromi Tada, Kunio Kojima, Kei Okada:
Development of Adaptive-Limb Transformable Robot for Portable and Replaceable End-Effectors with Compact Lock-Spin Mechanisms,
IEEE Robotics and Automation Letters, Vol.11, No.1, pp.858-865, 2026. DOI:10.1109/LRA.2025.3634910

[5] Tomoka Sawada, Aiko Ichikura, Iori Yanokura, Kei Okada, Masayuki Inaba:
Experiential Science Fiction Prototyping for Envisioning Future Life with Robots,
in Proceedings of 2025 IEEE-RAS International Conference on Robot and Human Interactive Communication, pp.762-768, 2025. DOI:10.1109/RO-MAN63969.2025.11217650
[6] Ayaha Nagata, Tomoka Sawada, Aiko Ichikura, Yoshiki Obinata, Naoaki Kanazawa, Tasuku Makabe, Iori Yanokura, Kei Okada:
Design and Evaluation of Engaging Storytelling Experience through Interactive Scripted Performance with a Character Robot,
in Proceedings of 2025 IEEE-RAS International Conference on Robot and Human Interactive Communication, pp.1531-1536, 2025. DOI:10.1109/RO-MAN63969.2025.11217727
[7] Jin Hirai, Takuma Hiraoka, Hiromi Tada, Tasuku Makabe, Kunio Kojima, Kei Okada:
Development of a Transformable Robot with Wire-Differential Steering Ankle Joints for Bipedal and Tri-Swerve Locomotion,
in Proceedings of the 2025 IEEE-RAS International Conference on Humanoid Robots, pp.685-691, 2025. DOI:10.1109/Humanoids65713.2025.11203126
[8] Takahiro Hattori, Kento Kawaharazuka, Kei Okada:
Design and Development of a Remotely Wire-Driven Walking Robot,
in Proceedings of the 2025 IEEE-RAS International Conference on Humanoid Robots, pp.807-813, 2025. DOI:10.1109/Humanoids65713.2025.11203061
[9] Temma Suzuki, Kento Kawaharazuka, Kei Okada:
A Universal Wire Testing Machine for Enhancing the Performance of Wire-Driven Robots,
in Proceedings of the 2025 IEEE-RAS International Conference on Humanoid Robots, pp.539-545, 2025. DOI:https://doi.org/10.1109/Humanoids65713.2025.11203106
[10] Yoshiki Arai, Tomoya Himeno, Issei Yuda, Takuma Hiraoka, Kunio Kojima, Kei Okada:
Motion Generation and Burden Evaluation of Sitting-Up Assistance by Humanoid Robot Based on Human Caregiver Movements,
in Proceedings of the 2025 IEEE-RAS International Conference on Humanoid Robots, pp.1-6, 2025. DOI:10.1109/Humanoids65713.2025.11203215
[11] Kento Kawaharazuka, Shogo Sawaguchi, Ayumu Iwata, Keita Yoneda, Temma Suzuki, Kei Okada:
MEVITA: Open-Source Bipedal Robot Assembled from E-Commerce Components via Sheet Metal Welding,
in Proceedings of the 2025 IEEE-RAS International Conference on Humanoid Robots, pp.997-1003, 2025. DOI:10.1109/Humanoids65713.2025.11203024
[12] Hiromi Tada, Jin Hirai, Takuma Hiraoka, Masanori Konishi, Tomoya Himeno, Kunio Kojima, Kei Okada:
{Development of Variable Chain Motor with Shape and Speed-Torque Characteristics Variability and Its Application to a Humanoid},
in Proceedings of The 2025 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp.21102-21109, 2025. DOI:10.1109/IROS60139.2025.11246199
[13] Shunnosuke Yoshimura, Kento Kawaharazuka, Kei Okada:
{M3D-skin: Multi-material 3D-printed Tactile Sensor with Hierarchical Infill Structures for Pressure Sensing},
in Proceedings of The 2025 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp.11207-11212, 2025. DOI:10.1109/IROS60139.2025.11247774
[14] Masanori Konishi, Takuma Hiraoka, Kunio Kojima, Kei Okada:
Trajectory Generation for Humanoid Backflips and Jumps Based on Whole-Body Dynamics Optimization with Consideration of KKT Residual Convergence,
in Proceedings of The 2025 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp.6593-6599, 2025. DOI:10.1109/IROS60139.2025.11246880
[15] Shintaro Inoue, Kento Kawaharazuka, Keita Yoneda, Sota Yuzaki, Yuta Sahara, Temma Suzuki, Kei Okada:
An RGB-D Camera-Based Multi-Small Flying Anchors Control for Wire-Driven Robots Connecting to the Environment,
in Proceedings of The 2025 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp.20442-20447, 2025. DOI:10.1109/IROS60139.2025.11247141
[16] Keita Yoneda, Kento Kawaharazuka Temma Suzuki, Takahiro Hattori, Kei Okada:
KLEIYN : A Quadruped Robot with an Active Waist for Both Locomotion and Wall Climbing,
in Proceedings of The 2025 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp.8783-8789, 2025. DOI:10.1109/IROS60139.2025.11245909
[17] Kento Kawaharazuka, Shintaro Inoue, Yuta Sahara, Keita Yoneda, Temma Suzuki, Kei Okada:
Design Optimization of Three-Dimensional Wire Arrangement Considering Wire Crossings for Tendon-driven Robots,
in Proceedings of The 2025 IEEE/RSJ International Conference on Intelligent Robots and Systems, pp.20426-20433, 2025. DOI:10.1109/IROS60139.2025.11245877
[18] Ayano Miyamichi, Kei Okada:
Emoji-Inspired Continuous Emotional Expression for Aerial Robots Using Eye Displays Based on the VAD Model,
in Proceedings of the 2026 IEEE/SICE International Symposium on System Integration, pp.1307-1314, 2026. DOI:10.1109/SII64115.2026.11404442
[19] Kazuki Sugihara, Kei Okada:
Torque-Thrust Integrated Inverse Dynamics for Rotor Distributed Manipulator toward Dynamic Deformation,
in Proceedings of the 2026 IEEE/SICE International Symposium on System Integration, pp.387-392, 2026. DOI:10.1109/SII64115.2026.11404703
[20] Tasuku Makabe, Naoya Yamaguchi, Iori Yanokura, Kei Okada:
Development of the Screw Coupling and the System for Continuous Evaluation of Connection Mechanism,
in Proceedings of the 2026 IEEE/SICE International Symposium on System Integration, pp.227-232, 2026. DOI:10.1109/SII64115.2026.11404712
[21] Iori Yanokura, Kento Matsuo, Hirokazu Ishida, Sousuke Morita, Aoi Nakane, Naoya Yamaguchi, Tasuku Makabe, Kei Okada:
scikit-robot: An Integrated Framework for Solving Structural Challenges in Dynamic Modeling for Reconfigurable Robotics,
in Proceedings of the 2026 IEEE/SICE International Symposium on System Integration, pp.239-244, 2026. DOI:10.1109/SII64115.2026.11404513
[22] Hiroki Yoshioka, Tomoya Himeno, Kunio Kojima, Kei Okada:
Indirect Torso Posture Control and Force-Guided Singularity Avoidance for Humanoid Teleoperation System using Exoskeleton Cockpit,
in Proceedings of the 2026 IEEE/SICE International Symposium on System Integration, pp.333-338, 2026. DOI:10.1109/SII64115.2026.11404718

[23] Ayaha Nagata, Tasuku Makabe, Iori Yanokura, Kei Okada:
Development of a Robot that Balances Plush-like Appearance and Animacy:Eyebrow Expression through Surface Deformation and Softness through Cotton Padding Bag,
in 2025 JSME Conference on Robotics and Mechatronics, 2P1-H10, 2025. DOI:10.1299/jsmermd.2025.2P1-H10 URL:https://doi.org/10.1299/jsmermd.2025.2P1-H10
[24] Takahiro Hattori, Kento Kawaharazuka, Temma Suzuki, Sota Yuzaki, Keita Yoneda, Kei Okada:
Design and Development of a Robot with Remote Wire Drive Mechanism and Variable-Stiffness Expansion Mechanism,
in 2025 JSME Conference on Robotics and Mechatronics, 1P1-E02, 2025. DOI:10.1299/jsmermd.2025.1P1-E02 URL:https://doi.org/10.1299/jsmermd.2025.1P1-E02
[25] Kento Kawaharazuka, Shintaro Inoue, Temma Suzuki, Sota Yuzaki, Shogo Sawaguchi, Kei Okada, Masayuki Inaba:
MEVIUS: A Quadruped Robot Easily Constructed through E-Commerce with Metal Machining and Sheet Metal Welding,
in 2025 JSME Conference on Robotics and Mechatronics, 2A2-A07, 2025. DOI:10.1299/jsmermd.2025.2A2-A07 URL:https://doi.org/10.1299/jsmermd.2025.2A2-A07
[26] Kento Kawaharazuka, Kei Okada, Masayuki Inaba:
Multi-Objective Black-Box Optimization of Robots with Rotational and Prismatic Joints,
in 2025 JSME Conference on Robotics and Mechatronics, 1A1-Q01, 2025. DOI:10.1299/jsmermd.2025.1A1-Q01 URL:https://doi.org/10.1299/jsmermd.2025.1A1-Q01
[27] Temma Suzuki, Kento Kawaharazuka, Kei Okada:
Design of a Parallel Wire-Driven One-Legged Hopping Robot RAMIEL2 for Sim-to-Real Transfer in Reinforcement Learning,
in 2025 JSME Conference on Robotics and Mechatronics, 1P1-E03, 2025. DOI:10.1299/jsmermd.2025.1P1-E03 URL:https://doi.org/10.1299/jsmermd.2025.1P1-E03
[28] Shintaro Inoue, Kento Kawaharazuka, Keita Yoneda, Sota Yuzaki, Yuta Sahara, Temma Suzuki, Kei Okada:
Control of Multiple Small Flying Anchors Using an RGB-D Camera with an Environment-Connected Wire-Driven Robot,
in 2025 JSME Conference on Robotics and Mechatronics, 2A2-J03, 2025. DOI:10.1299/jsmermd.2025.2A2-J03 URL:https://doi.org/10.1299/jsmermd.2025.2A2-J03
[29] Sota Yuzaki, Shintaro Inoue, Temma Suzuki, Kento Kawaharazuka, Kei Okada:
Trajectory Planning and Jump Motion Realization of the Wire-Driven Aerial Robot CALVADOS,
in 2025 JSME Conference on Robotics and Mechatronics, 1A2-Q01, 2025. DOI:10.1299/jsmermd.2025.1A2-Q01 URL:https://doi.org/10.1299/jsmermd.2025.1A2-Q01
[30] Takuma Hiraoka, Naoki Hiraoka, Masanori Konishi, Kunio Kojima, Kei Okada:
Fast whole-body contact planning for humanoid with contactability-based environmental and body contact searches,
in 2025 JSME Conference on Robotics and Mechatronics, 1P1-H06, 2025. DOI:10.1299/jsmermd.2025.1P1-H06 URL:https://doi.org/10.1299/jsmermd.2025.1P1-H06
[31] Kazuki Sugihara, Moju Zhao, Kei Okada:
Object Manipulation in Terrestrial Domain by a Multilinked Multirotor based on Nonliner Thrust Control Considering Environmental Contact,
in 2025 JSME Conference on Robotics and Mechatronics, 2A1-B11, 2025. DOI:10.1299/jsmermd.2025.2A1-B11 URL:https://doi.org/10.1299/jsmermd.2025.2A1-B11
[32] Yoshiki Arai, Tomoya Himeno, Kunio Kojima, Kei Okada:
Generation and evaluation of sitting up assistance movements based on human assistance methods by humanoid robot,
in 2025 JSME Conference on Robotics and Mechatronics, 1P1-F10, 2025. DOI:10.1299/jsmermd.2025.1P1-F10 URL:https://doi.org/10.1299/jsmermd.2025.1P1-F10
[33] Shun Hasegawa, Iori Yanokura, Aoi Nakane, Naoya Yamaguchi, Kei Okada:
Scalable Design of Universal Dense Tactile Sheet using Panelization and Auto-modification of PCB Assembly Data,
in 2025 JSME Conference on Robotics and Mechatronics, 1P1-T10, 2025. DOI:10.1299/jsmermd.2025.1P1-T10 URL:https://doi.org/10.1299/jsmermd.2025.1P1-T10
[34] Sousuke Morita, Kento Matsuo, Tasuku Makabe, Iori Yanokura, Kunio Kojima, Kei Okada:
Development of Multi-joint Modular Robot Capable of Grasping Objects in Both Single and Combined States by Using Docking-Gripping Mechanism,
in 2025 JSME Conference on Robotics and Mechatronics, 1P1-E11, 2025. DOI:10.1299/jsmermd.2025.1P1-E11 URL:https://doi.org/10.1299/jsmermd.2025.1P1-E11
[35] Keita Yoneda, Kento Kawaharazuka, Takahiro Hattori, Temma Suzuki, Kei Okada:
Reinforcement Learning-Based Walking and Wall-Climbing for the Quadruped Robot KLEIYN with an Active Spine,
in 2025 JSME Conference on Robotics and Mechatronics, 2A2-A08, 2025. DOI:10.1299/jsmermd.2025.2A2-A08 URL:https://doi.org/10.1299/jsmermd.2025.2A2-A08
[36] Xu Dong, Shun Hasegawa, Liqi Wu, Kento Kawaharazuka, Kunio Kojima, Kei Okada:
A Dual-Track Pulley Actuation System for the Development of Lightweight and Compact Cable-driven Upper Limb Exosuits,
in 2025 JSME Conference on Robotics and Mechatronics, 2P2-K12, 2025. DOI:
[37] Shunnosuke Yoshimura, Temma Suzuki, Kento Kawaharazuka, Kei Okada:
Tactile Response of a Biomimetic Leg with Conductive Lattice Muscles,
in 2025 JSME Conference on Robotics and Mechatronics, 2A2-L05, 2025. DOI:10.1299/jsmermd.2025.2A2-L05 URL:https://doi.org/10.1299/jsmermd.2025.2A2-L05
[38] Jin Hirai, Takuma Hiraoka, Masanori Konishi, Hiromi Tada, Kunio Kojima, Kei Okada:
Development of Adaptive-Limb Transformable Robot with compact Lock-Spin Mechanisms for Replaceable End-Effectors,
in 2025 JSME Conference on Robotics and Mechatronics, 1P1-E05, 2025. DOI:10.1299/jsmermd.2025.1P1-E05 URL:https://doi.org/10.1299/jsmermd.2025.1P1-E05
[39] Hiromi Tada, Jin Hirai, Takuma Hiraoka, Masanori Konishi, Tomoya Himeno, Kunio Kojima, Kei Okada:
Development of Chain Motor with Shape Variability and Its Application to a Humanoid,
in 2025 JSME Conference on Robotics and Mechatronics, 1P1-R04, 2025. DOI:10.1299/jsmermd.2025.1P1-R04 URL:https://doi.org/10.1299/jsmermd.2025.1P1-R04
[40] Iori Yanokura, Kunio Kojima, Naoya Yamaguchi, Aoi Nakane, Tasuku Makabe, Manami Yamaguchi, Kei Okada:
Robot Programming Education Using the Tabletop Dual-Armed Wheely Robot “Jedy”: A Practical Approach to Robotics Education and Emerging Challenges,
in 2025 JSME Conference on Robotics and Mechatronics, 2A2-I08, 2025. DOI:
[41] Hiroki Yoshioka, Kunio Kojima, Kei Okada:
Torso Posture Control Based on Foot Sole Force Sensation for Humanoid Teleoperation System \\with Exoskeleton Cockpit,
in 2025 JSME Conference on Robotics and Mechatronics, 1P1-H08, 2025. DOI:10.1299/jsmermd.2025.1P1-H08 URL:https://doi.org/10.1299/jsmermd.2025.1P1-H08
[42] Tasuku Makabe, Naoya Yamaguchi, Iori Yanokura, Kei Okada:
Development and Application of 3D-printable Screw Electromechanical Coupling,
in 2025 JSME Conference on Robotics and Mechatronics, 1P1-E09, 2025. DOI:10.1299/jsmermd.2025.1P1-E09 URL:https://doi.org/10.1299/jsmermd.2025.1P1-E09
[43] Ayano Miyamichi, Moju Zhao, Kunio Kojima, Kei Okada:
Pneumatic Optimization and Control Design for Aerial Robot Capable of Parching on Human,
in 2025 JSME Conference on Robotics and Mechatronics, 2A2-J05, 2025. DOI:
[44] Masanori Konishi, Takuma Hiraoka, Kunio Kojima, Kei Okada:
Design of Motor Water Cooling Jacket for Humanoid and Evaluation by Thermo-Fluid Analysis,
in 2025 JSME Conference on Robotics and Mechatronics, 1P1-H07, 2025. DOI:10.1299/jsmermd.2025.1P1-H07 URL:https://doi.org/10.1299/jsmermd.2025.1P1-H07
[45] Keita Yoneda, Kento Kawaharazuka, Takahiro Hattori, Kei Okada:
Reinforcement Learning for Standing-Up and Bipedal Walking with the Waist-Jointed Quadruped Robot KLEIYN,
in The 43rd Annual Conference on Robotics Society of Japan, 3M2-05, 2025. DOI:
[46] Shunnosuke Yoshimura, Kento Kawaharazuka, Kei Okada:
階層的インフィル構造を有するマルチマテリアル3Dプリント圧力センサの開発,
in The 43rd Annual Conference on Robotics Society of Japan, 1P3-01, 2025. DOI:
[47] Ryuichiro Nakagori, Shun Hasegawa, Kei Okada:
双腕マニピュレーションロボットと予測制御による化学実験における物品移動・注入動作の統合的自動化,
in The 43rd Annual Conference on Robotics Society of Japan, 2C1-05, 2025. DOI:
[48] Jin Hirai, Takuma Hiraoka, Hiromi Tada, Kunio Kojima, Kei Okada:
二肢トランスフォームロボットによる胴体格納型エンドエフェクタの交換動作の実現,
in The 43rd Annual Conference on Robotics Society of Japan, 2E2-03, 2025. DOI:
[49] Jin Hirai, Iori Yanokura, Kunio Kojima, Kei Okada:
四肢を甲羅に引き込むことが可能な亀型トランスフォームロボットの設計開発,
in The 43rd Annual Conference on Robotics Society of Japan, 2E2-05, 2025. DOI:
[50] Aoi Nakane, Tomoka Sawada, Ayano Miyamichi, Naoya Yamaguchi, Iori Yanokura, Kei Okada:
A Study of the Hugging Robot 'umoru' with a Background Story (Part 3): Design and Development of a Continuum Arm with Short Circular Sections for Gentle Hugging,
in The 43rd Annual Conference on Robotics Society of Japan, 1J4-03, 2025. DOI:
[51] Temma Suzuki, Kento Kawaharazuka, Kei Okada:
Compensation of Tension Loss in Passive Pulleys of Coupled Wire-Driven Manipulator,
in The 43rd Annual Conference on Robotics Society of Japan, 1P3-02, 2025. DOI:
[52] Hiroki Yoshioka, Kunio Kojima, Kei Okada:
等身大ヒューマノイドの遠隔操縦システムにおける予測身体姿勢提示機能の提案,
in The 43rd Annual Conference on Robotics Society of Japan, 3E4-04, 2025. DOI:
[53] Ayumu Iwata, Kento Kawaharazuka, Keita Yoneda, Kei Okada:
等身大双腕ロボットの強化学習による鉄棒大車輪動作の獲得,
in The 43rd Annual Conference on Robotics Society of Japan, 3M2-02, 2025. DOI:
[54] Takahiro Hattori, Kento Kawaharazuka, Temma Suzuki, Keita Yoneda, Kei Okada:
Characterization and control of remote wire-driven mobile robot REWW-ARM,
in The 43rd Annual Conference on Robotics Society of Japan, 1D3-01, 2025. DOI:
[55] Hiromi Tada, Jin Hirai, Takuma Hiraoka, Masanori Konishi, Tomoya Himeno, Kunio Kojima, Kei Okada:
回転数-トルク特性の動的切替が可能な可変鎖状モータの開発,
in The 43rd Annual Conference on Robotics Society of Japan, 1R3-08, 2025. DOI:
[56] Yuta Sahara, Kento Kawaharazuka, Kei Okada:
腱の巻き付きと経路短絡を考慮した腱駆動アームの設計最適化,
in The 43rd Annual Conference on Robotics Society of Japan, 3D3-01, 2025. DOI:
[57] Ayano Miyamichi, Tomoka Sawada, Aoi Nakane, Iori Yanokura, Kei Okada:
Research on the Hug Robot 'umoru' with a Backstory 2: Design and Development of Membrane Structures and Inflatable Mechanisms to Create a Sense of Vitality,
in The 43rd Annual Conference on Robotics Society of Japan, 1J4-02, 2025. DOI:
[58] Kazuki Sugihara, Moju Zhao, Kei Okada:
Torque-Thrust Integrated Inverse Dynamics for Rotor Distributed Manipulator toward Dynamic Deformation,
in The 43rd Annual Conference on Robotics Society of Japan, 3N2-02, 2025. DOI:
[59] Tomoka Sawada, Ayano Miyamichi, Aoi Nakane, Iori Yanokura, Kei Okada:
Research on the Hug Robot 'umoru' with a Backstory 1: Concept Design,
in The 43rd Annual Conference on Robotics Society of Japan, 1J4-01, 2025. DOI:
[60] Tomoka Sawada, Ayano Miyamichi, Aoi Nakane, Iori Yanokura, Kei Okada:
Research on the Hug Robot 'umoru' with a Backstory 4: Exhibition and Impression Evaluation,
in The 43rd Annual Conference on Robotics Society of Japan, 1J4-04, 2025. DOI:
[61] Tomoka Sawada, Aiko Ichikura, Kei Okada:
Survey on Robots That Make People Feel Like Being Together: Findings from the School Festival Event 'Play with Robots',
in The 43rd Annual Conference on Robotics Society of Japan, 2H3-02, 2025. DOI:
[62] Akihiro Miki, Shun Hasegawa, Yoshimoto Ribayashi, Yuta Sahara, Kento Kawaharazuka, Kei Okada:
Construction and Validation of a Biomimetic Skin Mimicking Human Sensory Receptor Arrangement,
in The 43rd Annual Conference on Robotics Society of Japan, 2D2-02, 2025. DOI:
[63] Kento Kawaharazuka, Yoshiki Obinata, Naoaki Kanazawa, Jia Haoyu, Kei Okada:
多目的ブラックボックス最適化と大規模言語モデルを併用した効率的なロボット身体設計,
in The 43rd Annual Conference on Robotics Society of Japan, 1M5-01, 2025. DOI:
[64] Kento Kawaharazuka, Shogo Sawaguchi, Ayumu Iwata, Keita Yoneda, Temma Suzuki, Kei Okada:
MEVITA: E-Commerceにより誰でも簡単に構築可能なオープンソース二足歩行ロボット,
in The 43rd Annual Conference on Robotics Society of Japan, 3M1-05, 2025. DOI:
[65] Shintaro Inoue, Kento Kawaharazuka, Temma Suzuki, Sota Yuzaki, Kei Okada, Masayuki Inaba:
環境接続可能なワイヤ駆動ロボットCubiXの道具合体利用による多種タスク実行,
in The 43rd Annual Conference on Robotics Society of Japan, 2E2-04, 2025. DOI:
[66] Sota Yuzaki, Shintaro Inoue, Temma Suzuki, Kento Kawaharazuka, Kei Okada:
ワイヤ駆動空中移動ロボットCALVADOSのドローンとの連携による障害物回避行動の実現,
in The 43rd Annual Conference on Robotics Society of Japan, 1R3-06, 2025. DOI:
[67] Yoshimoto Ribayashi, Akihiro Miki, Kento Kawaharazuka, Kei Okada:
Elastic Utilization Motion in Body Configuration Using Muscle-Tendon Complex Drive,
in The 43rd Annual Conference on Robotics Society of Japan, 2D3-01, 2025. DOI:
[68] Michitoshi Tsubaki, Iori Yanokura, Kunio Kojima, Kei Okada:
Takku: A Desktop Table Tennis Player Robot Modeled on Close-to-the-table Play Style,
in The 43rd Annual Conference on Robotics Society of Japan, 1D5-03, 2025. DOI:
[69] Akihiro Miki, Shun Hasegawa, Yoshimoto Ribayashi, Kento Kawaharazuka, Kei Okada:
Physical Embodiment through Tissue and Sensory Organ Mimicry and Neurocomputing,
in ICICE Technical Report, Vol.125, No.205, pp.79--82, 2025. DOI:
[70] Shun Kaneko, Shunnosuke Yoshimura, Kento Kawaharazuka, Kei Okada:
Designing a Face Robot Which Imitates Human Muscles by Using 3D-printed Soft Structures,
in The 30th JFACE Annual Conference, , 2025.
[71] Michitoshi Tsubaki, Yoshiki Obinata, Naoaki Kanazawa, Shun Hasegawa, Kento Kawaharazuka, Kei Okada:
Autonomous and Safe Continuous Suturing Based on Tension Estimation and Remaining Length Monitoring,
in The 34th Annual Congress of Japan Society of Computer Aided Surgery, pp.25-4-3, 2025. DOI:10.5759/jscas.27.161
[72] Jin Hirai, Takuma Hiraoka, Hiromi Tada, Tasuku Makabe, Kunio Kojima, Kei Okada:
Design and Development of a Transformable Robot with Wire-Differential Steering Ankle Joints Capable of Transition between Bipedal and Tri-Swerve Locomotion,
in Proceedings of the 26th SICE System Integration Division Annual Conference, , 2025.
[73] Keita Yoneda, Kento Kawaharazuka, Kei Okada:
Backflip Motion Generation Based on Reinforcement Learning with External Force Guided Curriculum Learning Using Quadruped Robot KLEIYN with Waist Joint,
in Proceedings of the 26th SICE System Integration Division Annual Conference, , 2025.
[74] Aoi Nakane, Naoya Yamaguchi, Iori Yanokura, Kei Okada:
Embodied Functional Specialization for Task-Driven Five-Fingered Hand-Locomanipulation,
in Proceedings of the 26th SICE System Integration Division Annual Conference, , 2025.
[75] Hiromi Tada, Takuma Hiraoka, Kunio Kojima, Kei Okada:
Trajectory Optimization for High-Speed Motion Using a Variable Chain Motor with Dynamic Output Characteristic Switching,
in Proceedings of the 26th SICE System Integration Division Annual Conference, , 2025.
[76] Iori Yanokura, Kento Matsuo, Hirokazu Ishida, Sousuke Morita, Aoi Nakane, Naoya Yamaguchi, Tasuku Makabe, Kei Okada:
scikit-robot: An Integrated Framework for Dynamic Model Reconfiguration in Reconfigurable Robotics,
in Proceedings of the 26th SICE System Integration Division Annual Conference, 1C7-06, 2025.
[77] Ayumu Iwata, Kento Kawaharazuka, Keita Yoneda, Kei Okada:
Giant Swing Motions on a Life-Sized Dual-Arm Robot via Energy-Based Reward Design and Sim-to-Real Transfer,
in Proceedings of the 26th SICE System Integration Division Annual Conference, 3A2-17, 2025.
[78] Tasuku Makabe, Naoya Yamaguchi, Iori Yanokura, Kei Okada:
The Continuous Evaluation System for 3D-printable Screw Couplings,
in Proceedings of the 26th SICE System Integration Division Annual Conference, 1C7-09, 2025.
[79] Tasuku Makabe, Kei Okada:
A Method for Evaluating Connection States in Structural and Mechanical Connections,
in Proceedings of the 26th SICE System Integration Division Annual Conference, 1C7-10, 2025.
[80] Hiroki Yoshioka, Kunio Kojima, Kei Okada:
Operator Motion Guidance via Dynamic Time-Shifted Posture Presentation in a Humanoid Teleoperation System,
in Proceedings of the 26th SICE System Integration Division Annual Conference, 2A4-01, 2025.
[81] Ayaha Nagata, Shun Hasegawa, Kei Okada:
Implementation and Exhibition of Nonverbal Memory-Presentation Interaction with a Stuffed Robot,
in Interaction 2026, pp.744-746, 2026.
[82] Yoshiki Obinata, Kei Okada:
A Digital Twin Screen-Centric User Interface System for Mutual Proposals Between Humans and Daily Life Support Robots,
in Proceedings of The 31st Robotics Symposia, pp.222--225, 2026.

[83] Temma Suzuki, Kento Kawaharazuka, Kei Okada, Masayuki Inaba:
Analysis of Transmission Efficiency in Passive 3D Wire Transmission Mechanism,
JSME Outstanding Presentation Award for Young Fellows, 2025.6.5.
[84] Naoaki Kanazawa, Kento Kawaharazuka, Yoshiki Obinata, Kei Okada, Masayuki Inaba:
Cooking Task Execution of Robot based on Food Condition Change Recognition by Recipe Description Analysis and Time-Series Use of Vision-Language Model,
The Robotics Society of Japan 39th Best Paper Award, 2025.9.4.
[85] Jin Hirai, Takuma Hiraoka, Hiromi Tada, Tasuku Makabe, Kunio Kojima, Kei Okada:
Development of a Transformable Robot with Wire-Differential Steering Ankle Joints for Bipedal and Tri-Swerve Locomotion,
Mike Stilman Award Finalist in Humanoids2025, 2025.10.
[86] Yoshiki Arai, Tomoya Himeno, Issei Yuda, Takuma Hiraoka, Kunio Kojima, Kei Okada:
Motion Generation and Burden Evaluation of Sitting-Up Assistance by Humanoid Robot Based on Human Caregiver Movements,
Best Interactive Paper Finalist in Humanoids2025, 2025.10.
[87] Yoshimoto Ribayashi:
ワイヤ巻取式筋腱複合体駆動の開発とロボット身体構成への適用,
The 40th Young Investigation Excellence Award, The 43rd Annual Conference on Robotics Society of Japan, 2025.9.4.
[88] Jin Hirai, Takuma Hiraoka, Hiromi Tada, Tasuku Makabe, Kunio Kojima, Kei Okada:
Design and Development of a Transformable Robot with Wire-Differential Steering Ankle Joints Capable of Transition between Bipedal and Tri-Swerve Locomotion,
SI2025 優秀講演賞, 2026.1.23.
[89] Hiromi Tada, Takuma Hiraoka, Kunio Kojima, Kei Okada:
Trajectory Optimization for High-Speed Motion Using a Variable Chain Motor with Dynamic Output Characteristic Switching,
SI2025 優秀講演賞, 2026.1.23.
[90] Keita Yoneda, Kento Kawaharazuka, Takahiro Hattori, Temma Suzuki, Kei Okada:
KLEIYN : A Quadruped Robot with an Active Waist for Both Locomotion and Wall Climbing,
IEEE Robotics and Automation Society (RAS) Japan Joint Chapter Young Award (in IROS2025), 2025.10.
[91] Shun Kaneko, Shunnosuke Yoshimura, Kento Kawaharazuka, Kei Okada:
Designing a Face Robot Which Imitates Human Muscles by Using 3D-printed Soft Structures,
オーディエンス賞(アイシン特別賞), 2025.11.2.
[92] Shun Kaneko:
Excellent Student Award 2026,
The Robotics Society of Japan, 2026.3.25.
[93] Michitoshi Tsubaki:
Best Student Awards of Engineering 2025,
Faculty of Engineering, The University of Tokyo, 2026.3.25.
[94] Michitoshi Tsubaki:
Hatakeyama Awards JSME 2025,
Japan Society of Mechanical Engineers, 2026.3.
[95] Toma Arimura:
JSDE Eiji Mutoh Excellent Student Award,
Japan Society for Design Engineering, 2026.3.
[96] Tomoka Sawada:
An Ethnographic Study on Supporting Ibasho Based on Practices of Human-Robot Interaction,
Course Chair’s Awad 2025, Emerging Design and Informatics Course, GSII, The University of Tokyo, 2026.3.

[97] Shun Hasegawa, Aoi Nakane, Iori Yanokura, Kei Okada:
汎用性・高密度性・省配線性・多点接触検知性を備えた汎用高密度触覚シート,
Robot (magazine of Japan Robot Association), Vol., No.287, pp.45--47, 2025.
[98] Ayaha Nagata:
Design of Extraordinary Experiences with a Plush Robot: Observations through Exhibition Practice,
in Entertainment Robot Forum (ERF), 2025.