World's Best Scientists 2026 revealed!
Kouhei Ohnishi

Kouhei Ohnishi

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Electronics and Electrical Engineering
Japan
2023

D-Index & Metrics

Electronics and Electrical Engineering

D-Index
70
Citations
22407
World Ranking
904
National Ranking
21

Kouhei Ohnishi publication distribution in Electronics and Electrical Engineering in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Electronics and Electrical Engineering in 2026. The highlighted bar marks where Kouhei Ohnishi sits on this spectrum.

34–53 publications: 24 scientists 54–73 publications: 52 scientists 74–93 publications: 114 scientists 94–113 publications: 203 scientists 114–133 publications: 269 scientists 134–153 publications: 355 scientists 154–173 publications: 403 scientists 174–193 publications: 445 scientists 194–213 publications: 430 scientists 214–233 publications: 431 scientists 234–253 publications: 399 scientists 254–273 publications: 366 scientists 274–293 publications: 335 scientists 294–313 publications: 300 scientists 314–333 publications: 276 scientists 334–353 publications: 250 scientists 354–373 publications: 214 scientists 374–393 publications: 187 scientists 394–413 publications: 152 scientists 414–433 publications: 169 scientists 434–453 publications: 147 scientists 454–473 publications: 111 scientists 474–493 publications: 117 scientists 494–513 publications: 103 scientists 514–533 publications: 99 scientists 534–553 publications: 92 scientists 554–573 publications: 75 scientists 574–593 publications: 58 scientists 594–613 publications: 69 scientists 614–633 publications: 50 scientists 634–653 publications: 62 scientists 654–673 publications: 54 scientists 674–693 publications: 44 scientists 694–713 publications: 37 scientists 714–733 publications: 28 scientists 734–753 publications: 26 scientists 754–773 publications: 26 scientists 774–793 publications: 19 scientists 794–813 publications: 23 scientists 814–833 publications: 20 scientists 834–853 publications: 16 scientists 854–873 publications: 20 scientists 874–893 publications: 11 scientists 894–913 publications: 11 scientists 914–933 publications: 16 scientists 934–953 publications: 13 scientists 954–973 publications: 10 scientists 974–993 publications: 11 scientists 994–1,013 publications: 9 scientists 1,014–1,033 publications: 9 scientists 1,034–1,053 publications: 10 scientists 1,054–1,064 publications: 6 scientists 1,065+ publications: 99 scientists
34 publications 1,065+

This scientist: 971 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,065 publications or more.

Kouhei Ohnishi D-index placement in Electronics and Electrical Engineering in 2026

The chart shows the D-index (discipline H-index) distribution of Electronics and Electrical Engineering scientists ranked by Research.com in 2026. The highlighted bar marks where Kouhei Ohnishi sits on this spectrum.

30 D-Index: 178 scientists 31 D-Index: 257 scientists 32 D-Index: 263 scientists 33 D-Index: 262 scientists 34 D-Index: 244 scientists 35 D-Index: 236 scientists 36 D-Index: 211 scientists 37 D-Index: 220 scientists 38 D-Index: 214 scientists 39 D-Index: 214 scientists 40 D-Index: 205 scientists 41 D-Index: 187 scientists 42 D-Index: 194 scientists 43 D-Index: 201 scientists 44 D-Index: 155 scientists 45 D-Index: 189 scientists 46 D-Index: 148 scientists 47 D-Index: 160 scientists 48 D-Index: 134 scientists 49 D-Index: 130 scientists 50 D-Index: 141 scientists 51 D-Index: 156 scientists 52 D-Index: 108 scientists 53 D-Index: 130 scientists 54 D-Index: 112 scientists 55 D-Index: 97 scientists 56 D-Index: 111 scientists 57 D-Index: 102 scientists 58 D-Index: 108 scientists 59 D-Index: 120 scientists 60 D-Index: 103 scientists 61 D-Index: 93 scientists 62 D-Index: 92 scientists 63 D-Index: 74 scientists 64 D-Index: 77 scientists 65 D-Index: 73 scientists 66 D-Index: 64 scientists 67 D-Index: 69 scientists 68 D-Index: 60 scientists 69 D-Index: 39 scientists 70 D-Index: 57 scientists 71 D-Index: 59 scientists 72 D-Index: 46 scientists 73 D-Index: 49 scientists 74 D-Index: 38 scientists 75 D-Index: 35 scientists 76 D-Index: 32 scientists 77 D-Index: 35 scientists 78 D-Index: 31 scientists 79 D-Index: 22 scientists 80 D-Index: 34 scientists 81 D-Index: 31 scientists 82 D-Index: 34 scientists 83 D-Index: 23 scientists 84 D-Index: 18 scientists 85 D-Index: 30 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 20 scientists 89 D-Index: 8 scientists 90 D-Index: 17 scientists 91 D-Index: 7 scientists 92 D-Index: 14 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 12 scientists 97 D-Index: 10 scientists 98 D-Index: 10 scientists 99 D-Index: 12 scientists 100 D-Index: 16 scientists 101 D-Index: 5 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 8 scientists 105 D-Index: 9 scientists 106 D-Index: 13 scientists 107 D-Index: 4 scientists 108 D-Index: 5 scientists 109 D-Index: 10 scientists 110 D-Index: 8 scientists 111+ D-Index: 96 scientists
30 D-Index 111+

This scientist: 70 D-Index — 87th percentile

87% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 111 D-Index or more.

Research.com Recognitions

  • 2023 - Research.com Electronics and Electrical Engineering in Japan Leader Award
  • 2022 - Research.com Electronics and Electrical Engineering in Japan Leader Award
  • 2001 - IEEE Fellow For contributions to the development of disturbance observer and its applications to motion control.

Overview

Kouhei Ohnishi is affiliated with Keio University in Japan and has a research focus primarily in the field of Engineering, with 36 publications. Their work extensively involves subfields such as Control and Systems Engineering, Mechanical Engineering, Surgery, Biomedical Engineering, and Pathology and Forensic Medicine.

Their research covers a range of topics with a significant emphasis on Teleoperation and Haptic Systems, Soft Robotics and Applications, Surgical Simulation and Training, Robot Manipulation and Learning, Adaptive Control of Nonlinear Systems, Spine and Intervertebral Disc Pathology, and Spinal Fractures and Fixation Techniques.

Frequent publication venues where Kouhei Ohnishi has contributed include:

  • IEEJ Journal of Industry Applications
  • arXiv (Cornell University)
  • Neuro-Oncology
  • IEEE Access
  • Applied Mathematics and Computation

Recent papers by Kouhei Ohnishi and their colleagues are as follows:

  • Quantification of Force/Tactile Sensation, 2022, IEEJ Journal of Industry Applications
  • Validation of a surgical drill with a haptic interface in spine surgery, 2023, Scientific Reports
  • Disturbance rejection using SMC-based-equivalent-input-disturbance approach, 2021, Applied Mathematics and Computation
  • Reconstruction of pitchfork bifurcation with exogenous disturbances based on equivalent-input-disturbance approach, 2020, Nonlinear Dynamics
  • Development of a microsurgery-assisted robot for high-precision thread traction and tension control, and confirmation of its applicability, 2020, International Journal of Medical Robotics and Computer Assisted Surgery

Kouhei Ohnishi frequently collaborates with several researchers, including:

  • Takuya Matsunaga
  • Tomoyuki Shimono
  • Yuki Saito
  • Takahiro Nozaki
  • Kento Yamanouchi

In 2001, Kouhei Ohnishi was recognized as an IEEE Fellow for contributions to the development of disturbance observer and its applications to motion control.

Best Publications

  • Motion control for advanced mechatronics

    K. Ohnishi;M. Shibata;T. Murakami

  • Torque sensorless control in multidegree-of-freedom manipulator

    T. Murakami;F. Yu;K. Ohnishi

  • Microprocessor-Controlled DC Motor for Load-Insensitive Position Servo System

    Kiyoshi Ohishi;Masato Nakao;Kouhei Ohnishi;Kunio Miyachi

  • Reproducibility and operationality in bilateral teleoperation

    W. Iida;K. Ohnishi

  • A Robust decentralized joint control based on interference estimation

    M. Nakao;K. Ohnishi;K. Miyachi

  • Modeling of Force Sensing and Validation of Disturbance Observer for Force Control

    S. Katsura;Y. Matsumoto;K. Ohnishi

  • Disturbance Observer-Based Robust Control and Its Applications: 35th Anniversary Overview

    Emre Sariyildiz;Roberto Oboe;Kouhei Ohnishi

  • Robust Motion Control by Disturbance Observer

    Kouhei Ohnishi

  • Stability and Robustness of Disturbance-Observer-Based Motion Control Systems

    Emre Sariyildiz;Kouhei Ohnishi

  • TORQUE - SPEED REGULATION OF DC MOTOR BASED ON LOAD TORQUE ESTIMATION METHOD.

    Kiyoshi Ohishi;Kouhei Ohnishi;Kunio Miyachi

  • Analysis and experimental validation of force bandwidth for force control

    S. Katsura;Y. Matsumoto;K. Ohnishi

  • Estimation, identification, and sensorless control in motion control system

    K. Ohnishi;N. Matsui;Y. Hori

  • Medical Mechatronics – An Application to Haptic Forceps

    Kouhei Ohnishi;Seiichiro Katsura;Wataru Iida

  • Time-Delay Compensation by Communication Disturbance Observer for Bilateral Teleoperation Under Time-Varying Delay

    K. Natori;T. Tsuji;K. Ohnishi;A. Hace

  • Vibration Control of a 2 Mass Resonant System by the Resonance Ratio Control

    Kazuaki Yuki;Toshiyuki Murakami;Kouhei Ohnishi

  • An Analysis of Parameter Variations of Disturbance Observer for Motion Control

    H. Kobayashi;S. Katsura;K. Ohnishi

  • A Design Method of Communication Disturbance Observer for Time-Delay Compensation, Taking the Dynamic Property of Network Disturbance Into Account

    K. Natori;K. Ohnishi

  • Disturbance observer-based motion control of direct drive motors

    S. Komada;M. Ishida;K. Ohnishi;T. Hori

  • An analysis and design of bilateral control based on disturbance observer

    Y. Matsumoto;S. Katsura;K. Ohnishi

  • Medical mechatronics - An application to haptic forceps

    Unknown

  • ROBUST DECENTRALIZED JOINT CONTROL BASED ON INTERFERENCE ESTIMATION.

    Masato Nakao;Kouhei Ohnishi;Kunio Miyachi

Frequent Co-Authors

Toshiyuki Murakami
Toshiyuki Murakami Keio University
Seiichiro Katsura
Seiichiro Katsura Keio University
Kiyoshi Ohishi
Kiyoshi Ohishi Nagaoka University of Technology
Haoyong Yu
Haoyong Yu National University of Singapore
Rolf Johansson
Rolf Johansson Lund University
Weiliang Xu
Weiliang Xu University of Auckland
Kamal Al-Haddad
Kamal Al-Haddad École de Technologie Supérieure
Guy Hollinger
Guy Hollinger École Centrale de Lyon
Bimal K. Bose
Bimal K. Bose University of Tennessee at Knoxville
Nanning Zheng
Nanning Zheng Xi'an Jiaotong University

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Related Online Degrees & Career Pathways

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