Mobility of an in-pipe robot with screw drive mechanism inside curved pipes. - Atsushi Kakogawa; Shugen Ma (ROBIO, 2010)

Experimental verification of analytical torques enabling a screw drive in-pipe robot to pass through bent pipes. - Atsushi Kakogawa; Shugen Ma (ROBIO, 2011)

Pathway selection mechanism of a screw drive in-pipe robot in T-branches. - Taiki Nishimura; Atsushi Kakogawa; Shugen Ma (CASE, 2012)

Development of an underactuated robot gripper capable of retracting motion. - Hiroyuki Nishimura; Atsushi Kakogawa; Shugen Ma (ROBIO, 2012)

Stiffness Design of Springs for a Screw Drive In-Pipe Robot to Pass through Curved Pipes and Vertical Straight Pipes. - Atsushi Kakogawa; Shugen Ma (Adv. Robotics, 2012)

Development of a suction cup with a disc spring. - Takahiro Matsuno; Atsushi Kakogawa; Shugen Ma (ICRA, 2013)

Development of a screw drive in-pipe robot for passing through bent and branch pipes. - Atsushi Kakogawa; Taiki Nishimura; Shugen Ma (ISR, 2013)

Design of an underactuated parallelogram crawler module for an in-pipe robot. - Atsushi Kakogawa; Shugen Ma (ROBIO, 2013)

Study on air inflow of a passive suction cup. - Takahiro Matsuno; Dingxin Ge; Shugen Ma; Atsushi Kakogawa (ROBIO, 2013)

Improvement of a Screw Drive In-Pipe Robot with Pathway Selection Mechanism to Pass Through T-Branches. - Taiki Nishimura; Atsushi Kakogawa; Shugen Ma (J. Robotics Mechatronics, 2013)

An in-pipe robot with underactuated parallelogram crawler modules. - Atsushi Kakogawa; Shugen Ma; Shigeo Hirose (ICRA, 2014)

Speed analysis for three driving modules of an in-pipe inspection robots for passing through bent pipes. - Atsushi Kakogawa; Shugen Ma (ROBIO, 2014)

Recognition of pathway directions based on nonlinear least squares method. - Atsushi Kakogawa; Taiju Yamagami; Yang Tian; Shugen Ma (ROBIO, 2015)

Design of a multilink-articulated wheeled inspection robot for winding pipelines: AIRo-II. - Atsushi Kakogawa; Shugen Ma (IROS, 2016)

Underactuated modular finger with pull-in mechanism for a robotic gripper. - Atsushi Kakogawa; Hiroyuki Nishimura; Shugen Ma (ROBIO, 2016)

Designing arm length of a screw drive in-pipe robot for climbing vertically positioned bent pipes. - Atsushi Kakogawa; Taiki Nishimura; Shugen Ma (Robotica, 2016)

Anisotropic shadow-based operation assistant for a pipeline-inspection robot using a single illuminator and camera. - Atsushi Kakogawa; Yuki Komurasaki; Shugen Ma (IROS, 2017)

A Differential Elastic Joint for Multi-linked Pipeline Inspection Robots. - Atsushi Kakogawa; Shugen Ma (IROS, 2018)

Stopper Angle Design for a Multi-link Articulated Wheeled In-pipe Robot with Underactuated Twisting Joints. - Yoshimichi Oka; Atsushi Kakogawa; Shugen Ma (IROS, 2018)

Design of a multilink-articulated wheeled pipeline inspection robot using only passive elastic joints. - Atsushi Kakogawa; Shugen Ma (Adv. Robotics, 2018)

Stiffness Design of a Resonance-Based Planar Snake Robot With Parallel Elastic Actuators. - Atsushi Kakogawa; Soo Jeon; Shugen Ma (IEEE Robotics Autom. Lett., 2018)

Plate Springed Parallel Elastic Actuators for Efficient Movement of a Planar Snake Robot. - Atsushi Kakogawa; Taihei Kawabata; Shugen Ma (AIM, 2019)

An In-pipe Inspection Module with an Omnidirectional Bent-pipe Self-adaptation Mechanism using a Joint Torque Control. - Atsushi Kakogawa; Shugen Ma (IROS, 2019)

Shadow-Based Operation Assistant for a Pipeline-Inspection Robot Using a Variance Value of the Image Histogram. - Atsushi Kakogawa; Yuki Komurasaki; Shugen Ma (J. Robotics Mechatronics, 2019)

A Multi-link In-pipe Inspection Robot Composed of Active and Passive Compliant Joints. - Atsushi Kakogawa; Shugen Ma (IROS, 2020)

A Wheeled V-shaped In-Pipe Robot with Clutched Underactuated Joints. - Yoshimichi Oka; Atsushi Kakogawa; Shugen Ma (ICRA, 2021)

Sensor-Less and Control-Less Underactuated Grippers With Pull-In Mechanisms for Grasping Various Objects. - Atsushi Kakogawa; Yuki Kaizu; Shugen Ma (Frontiers Robotics AI, 2021)

A Standards-based Pipeline Route Drawing System using a Towed Sensing Unit. - Atsushi Kakogawa; Chihiro Hirose; Shugen Ma (IROS, 2022)

Vertical Bend and T-branch Travels of an Articulated Wheeled In-pipe Inspection Robot by Combining Its Joint Angle and Torque Controls. - Atsushi Kakogawa; Kenya Murata; Shugen Ma (IROS, 2022)

A Highly Backdrivable Robotic Arm using Low Friction and High Accuracy Cycloidal Geared Motors: ALFHA. - Atsushi Kakogawa; Yoshiki Mori; Toshiki Fukasawa; Naoaki Kurimoto; Shinya Tokunaga; Takashi Tokuda; Akira Yamamoto; Sadao Kawamura (SII, 2022)

Control technique of a V-shaped in-pipe robot composed of two underactuated roll-pitch joints. - Yoshimichi Oka; Atsushi Kakogawa; Yang Tian; Shugen Ma (Adv. Robotics, 2022)

An Underwater Snake Robot that Does Not Consider Actuators' Waterproof: Design and Primary Experiments. - Shah Darshankumar Rajendrakumar; Atsushi Kakogawa; Shugen Ma (ROBIO, 2023)

Effect of underactuated parallelogram shape-shifting for environmental adaptation movement of a three modular in-pipe robot. - Atsushi Kakogawa; Shugen Ma (Frontiers Robotics AI, 2023)

Automatic T-Branch Travel of an Articulated Wheeled In-Pipe Inspection Robot Using Joint Angle Response to Environmental Changes. - Atsushi Kakogawa; Kenya Murata; Shugen Ma (IEEE Trans. Ind. Electron., 2023)

An Agile Robotic Penguin Driven by Submersible Geared Servomotors: Various Maneuvers by Active Feathering of the Wings. - Taiki Shimooka; Atsushi Kakogawa; Hiroto Tanaka (IROS, 2024)

Design of Lock/Unlock Controllable Joint for Wire-driven Robotic Arms. - Yang Zhang 112; Zaiyang Liu; Atsushi Kakogawa; Yang Tian; Shugen Ma; Zhongkui Wang (RCAR, 2024)

Development of a Practical Articulated Wheeled In-pipe Robot for Both 3-4 in Force Main Inspection of Sewer Pipes. - Kenya Murata; Atsushi Kakogawa (CoRR, 2024)

Editorial: Pipeline inspection robots. - Lyudmila Mihaylova; Atsushi Kakogawa; Shugen Ma; Hyouk Ryeol Choi; Taro Nakamura (Frontiers Robotics AI, 2024)

Grasping of Cylindrical Structures Using an Underwater Snake Robot Without Force/Torque Sensors and Actuator Waterproofing. - Atsushi Kakogawa; Shah Darshankumar Rajendrakumar; Yuto Iwasaki (J. Robotics Mechatronics, 2024)

Elastic material selection for omni-wheels of in-pipe robots with high traction capability. - Kenya Murata; Makoto Kusumegi; Atsushi Kakogawa; Shugen Ma (Adv. Robotics, 2024)

A Pipeline Route Drawing System Equipped With a Towed Unit Using Only Low Cost Internal Sensors. - Chihiro Hirose; Shunsuke Ota; Atsushi Kakogawa; Shugen Ma (IEEE Trans. Ind. Electron., 2025)