Kei Okada

6.6k total citations · 1 hit paper
407 papers, 4.4k citations indexed

About

Kei Okada is a scholar working on Biomedical Engineering, Control and Systems Engineering and Computer Vision and Pattern Recognition. According to data from OpenAlex, Kei Okada has authored 407 papers receiving a total of 4.4k indexed citations (citations by other indexed papers that have themselves been cited), including 254 papers in Biomedical Engineering, 231 papers in Control and Systems Engineering and 132 papers in Computer Vision and Pattern Recognition. Recurrent topics in Kei Okada's work include Robotic Locomotion and Control (205 papers), Robot Manipulation and Learning (173 papers) and Prosthetics and Rehabilitation Robotics (119 papers). Kei Okada is often cited by papers focused on Robotic Locomotion and Control (205 papers), Robot Manipulation and Learning (173 papers) and Prosthetics and Rehabilitation Robotics (119 papers). Kei Okada collaborates with scholars based in Japan, United States and Germany. Kei Okada's co-authors include Masayuki Inaba, Yohei Kakiuchi, Moju Zhao, Shunichi Nozawa, Yuki Asano, Koji Kawasaki, Fan Shi, Kento Kawaharazuka, Tomoki Anzai and Yuto Nakanishi and has published in prestigious journals such as SHILAP Revista de lepidopterología, Proceedings of the IEEE and Scientific Reports.

In The Last Decade

Kei Okada

364 papers receiving 4.2k citations

Hit Papers

Analysis and Observations From the First Amazon Picking C... 2016 2026 2019 2022 2016 50 100 150 200 250
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Analysis and Observations From the First Amazon Picking Challenge
    2016 288 citations Kei Okada et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Kei Okada Japan 32 2.4k 2.4k 1.3k 879 677 407 4.4k
Keigo Watanabe Japan 25 1.4k 0.6× 2.0k 0.8× 1.1k 0.8× 435 0.5× 571 0.8× 567 3.7k
Dmitry Berenson United States 26 972 0.4× 2.3k 1.0× 1.6k 1.2× 621 0.7× 542 0.8× 82 3.4k
Sachin Chitta United States 29 1.1k 0.5× 2.3k 1.0× 1.8k 1.4× 811 0.9× 728 1.1× 59 3.7k
Oliver Brock Germany 38 2.4k 1.0× 3.2k 1.4× 2.2k 1.7× 1.1k 1.2× 1.2k 1.7× 139 6.0k
Kazuhito Yokoi Japan 40 6.8k 2.8× 4.1k 1.7× 1.7k 1.3× 752 0.9× 1.0k 1.5× 231 8.2k
Paolo Rocco Italy 34 940 0.4× 2.8k 1.2× 876 0.7× 425 0.5× 1.2k 1.8× 241 4.1k
Jean‐Paul Laumond France 34 1.3k 0.5× 2.9k 1.2× 3.3k 2.5× 1.2k 1.4× 287 0.4× 115 4.7k
Vincenzo Lippiello Italy 30 864 0.4× 2.0k 0.8× 1.8k 1.3× 1.4k 1.6× 628 0.9× 166 3.5k
Eiichi Yoshida Japan 32 2.0k 0.8× 1.7k 0.7× 972 0.7× 333 0.4× 1.9k 2.8× 244 4.2k
Peter Pástor United States 23 1.8k 0.7× 3.1k 1.3× 1.3k 1.0× 494 0.6× 589 0.9× 30 4.3k

Countries citing papers authored by Kei Okada

Since Specialization
Citations

This map shows the geographic impact of Kei Okada's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Kei Okada with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Kei Okada more than expected).

Fields of papers citing papers by Kei Okada

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Kei Okada. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Kei Okada. The network helps show where Kei Okada may publish in the future.

Co-authorship network of co-authors of Kei Okada

This figure shows the co-authorship network connecting the top 25 collaborators of Kei Okada. A scholar is included among the top collaborators of Kei Okada based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Kei Okada. Kei Okada is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Yoshikawa, Yoko, Aki Emi, Kei Okada, et al.. (2025). Increase of intracellular Zn2+ concentration directly inhibits phospholipase Cε and suppresses inflammation and tumour formation in mice. Scientific Reports. 15(1). 41853–41853.
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Ishida, H., et al.. (2024). Sampling-Based Global Path Planning Using Convex Polytope Approximation for Narrow Collision-Free Space of Humanoid. International Journal of Humanoid Robotics. 21(6). 3 indexed citations
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Hasegawa, Shun, Kei Okada, & Masayuki Inaba. (2023). Vibration Recognition Learning System using Force and Sound Sensing integratively for Mouse Cranium Cutting in Cranial Window Surgery. The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec). 2023(0). 2A1–B18.
7.
Kawaharazuka, Kento, et al.. (2023). Robot’s Walk Diary. The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec). 2023(0). 1A2–C26. 1 indexed citations
8.
Sakaguchi, Kohei, et al.. (2022). Immediate curative effects of exercise therapy in patients with myalgia of the masticatory muscles. Journal of Oral Rehabilitation. 49(10). 937–943. 1 indexed citations
9.
Kojima, Kunio, Tatsuya Ishikawa, Fumihito Sugai, et al.. (2020). Drive-Train Design in JAXON3-P and Realization of Jump Motions: Impact Mitigation and Force Control Performance for Dynamic Motions. 3747–3753. 5 indexed citations
10.
Takeda, H., Yohei Kakiuchi, Shintaro Noda, et al.. (2020). Ukemi Motion for a Life-size Humanoid with the Air Damper Shock Absorbing Exteriors. The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec). 2020(0). 2A2–G16. 1 indexed citations
11.
Murooka, Masaki, et al.. (2019). Effective Grope and Object Search using Parallel Gripper with Proximity Sensors. The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec). 2019(0). 1P2–C02. 1 indexed citations
12.
Kawaharazuka, Kento, Shogo Makino, Yuki Asano, et al.. (2019). Development of Joint with Planar Traction Structure on Musculoskeletal Humanoids. The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec). 2019(0). 1A1–J02.
13.
Wada, Kentaro, et al.. (2018). Learning to Segment Generic Handheld Objects Using Class-Agnostic Deep Comparison and Segmentation Network. IEEE Robotics and Automation Letters. 3(4). 3844–3851. 5 indexed citations
14.
Bozcuoğlu, Asil Kaan, et al.. (2018). The Exchange of Knowledge Using Cloud Robotics. IEEE Robotics and Automation Letters. 3(2). 1072–1079. 30 indexed citations
15.
Kawaharazuka, Kento, Shogo Makino, Xiangyu Chen, et al.. (2018). Design of a Musculoskeletal Upper Limb with Pseudo Ball Joint Modules for the Control of Redundant Nonlinear Elastic Elements. The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec). 2018(0). 2A2–G09. 1 indexed citations
16.
Asano, Yuki, Toyotaka Kozuki, Shinsuke Nakashima, et al.. (2016). Human Mimetic Musculoskeletal Humanoid Kengoro for Real World Physically Interactive Actions. The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec). 2016(0). 2A1–13a2.
17.
Nagahama, Kotaro, et al.. (2013). 2A2-Q13 Dressing assistance with failure recovery actions based on cloth states' recognition(Robots for Home/Office Application). The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec). 2013(0). _2A2–Q13_1. 2 indexed citations
18.
Nozawa, Shunichi, et al.. (2011). 2P2-J06 A method to select manipulation strategy based on joint overloads and reachability for a life-sized humanoid robot(Humanoid). The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec). 2011(0). _2P2–J06_1.
19.
Okada, Kei, et al.. (2010). 2A2-B16 Clothes Unfolding by Binding Recognition Motion Primitives and Using Color Range Sensor. The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec). 2010(0). _2A2–B16_1. 4 indexed citations
20.
Okada, Kei, et al.. (2006). 2A1-D27 Humanoid robot that observes handed rotation symmetry object and generates appearance model. The Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec). 2006(0). _2A1–D27_1. 2 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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