World's Best Scientists 2026 revealed!
Kouichi Sakurai

Kouichi Sakurai

D-Index & Metrics

Computer Science

D-Index
39
Citations
9526
World Ranking
9566
National Ranking
139

Kouichi Sakurai publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Kouichi Sakurai sits on this spectrum.

32–41 publications: 7 scientists 42–51 publications: 22 scientists 52–61 publications: 82 scientists 62–71 publications: 134 scientists 72–81 publications: 249 scientists 82–91 publications: 324 scientists 92–101 publications: 421 scientists 102–111 publications: 420 scientists 112–121 publications: 497 scientists 122–131 publications: 544 scientists 132–141 publications: 555 scientists 142–151 publications: 609 scientists 152–161 publications: 559 scientists 162–171 publications: 534 scientists 172–181 publications: 556 scientists 182–191 publications: 583 scientists 192–201 publications: 519 scientists 202–211 publications: 508 scientists 212–221 publications: 490 scientists 222–231 publications: 437 scientists 232–241 publications: 423 scientists 242–251 publications: 408 scientists 252–261 publications: 377 scientists 262–271 publications: 301 scientists 272–281 publications: 335 scientists 282–291 publications: 320 scientists 292–301 publications: 293 scientists 302–311 publications: 250 scientists 312–321 publications: 238 scientists 322–331 publications: 206 scientists 332–341 publications: 209 scientists 342–351 publications: 208 scientists 352–361 publications: 162 scientists 362–371 publications: 176 scientists 372–381 publications: 127 scientists 382–391 publications: 158 scientists 392–401 publications: 128 scientists 402–411 publications: 104 scientists 412–421 publications: 94 scientists 422–431 publications: 99 scientists 432–441 publications: 83 scientists 442–451 publications: 108 scientists 452–461 publications: 73 scientists 462–471 publications: 77 scientists 472–481 publications: 69 scientists 482–491 publications: 84 scientists 492–501 publications: 62 scientists 502–511 publications: 54 scientists 512–521 publications: 57 scientists 522–531 publications: 51 scientists 532–541 publications: 51 scientists 542–551 publications: 32 scientists 552–561 publications: 38 scientists 562–571 publications: 28 scientists 572–581 publications: 43 scientists 582–591 publications: 33 scientists 592–601 publications: 41 scientists 602–611 publications: 32 scientists 612–621 publications: 28 scientists 622–631 publications: 25 scientists 632–641 publications: 27 scientists 642–651 publications: 17 scientists 652–661 publications: 20 scientists 662–671 publications: 17 scientists 672–681 publications: 15 scientists 682–691 publications: 14 scientists 692–701 publications: 21 scientists 702–711 publications: 13 scientists 712–721 publications: 12 scientists 722–731 publications: 19 scientists 732–741 publications: 14 scientists 742–751 publications: 12 scientists 752–761 publications: 10 scientists 762–771 publications: 10 scientists 772–781 publications: 11 scientists 782–791 publications: 10 scientists 792–801 publications: 11 scientists 802–811 publications: 8 scientists 812–821 publications: 8 scientists 822–831 publications: 7 scientists 832–841 publications: 11 scientists 842–851 publications: 10 scientists 852–861 publications: 5 scientists 862–871 publications: 9 scientists 872–881 publications: 4 scientists 882–891 publications: 6 scientists 892–901 publications: 3 scientists 902–911 publications: 6 scientists 912–921 publications: 3 scientists 922–931 publications: 2 scientists 932–941 publications: 2 scientists 942–951 publications: 2 scientists 952–961 publications: 3 scientists 962–971 publications: 3 scientists 972–981 publications: 3 scientists 982–990 publications: 5 scientists 991+ publications: 100 scientists
32 publications 991+

This scientist: 664 publications — 97th percentile

97% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

Kouichi Sakurai D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Kouichi Sakurai sits on this spectrum.

30–31 D-Index: 879 scientists 32–33 D-Index: 983 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 968 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 763 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 518 scientists 54–55 D-Index: 500 scientists 56–57 D-Index: 458 scientists 58–59 D-Index: 400 scientists 60–61 D-Index: 337 scientists 62–63 D-Index: 308 scientists 64–65 D-Index: 292 scientists 66–67 D-Index: 249 scientists 68–69 D-Index: 213 scientists 70–71 D-Index: 192 scientists 72–73 D-Index: 189 scientists 74–75 D-Index: 165 scientists 76–77 D-Index: 139 scientists 78–79 D-Index: 119 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 113 scientists 84–85 D-Index: 88 scientists 86–87 D-Index: 87 scientists 88–89 D-Index: 75 scientists 90–91 D-Index: 69 scientists 92–93 D-Index: 57 scientists 94–95 D-Index: 46 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 34 scientists 100–101 D-Index: 36 scientists 102–103 D-Index: 27 scientists 104–105 D-Index: 37 scientists 106–107 D-Index: 18 scientists 108–109 D-Index: 31 scientists 110–111 D-Index: 19 scientists 112–113 D-Index: 16 scientists 114–115 D-Index: 12 scientists 116–117 D-Index: 20 scientists 118–119 D-Index: 15 scientists 120–121 D-Index: 5 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 8 scientists 126–127 D-Index: 5 scientists 128–129 D-Index: 7 scientists 130 D-Index: 3 scientists 131+ D-Index: 98 scientists
30 D-Index 131+

This scientist: 39 D-Index — 33rd percentile

33% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

Overview

Kouichi Sakurai is affiliated with Kyushu University in Japan and has produced extensive academic work in the field of computer science, with a particular focus on artificial intelligence, computer vision and pattern recognition, computer networks and communications, information systems, and signal processing. Their research portfolio includes 191 publications, with 95 contributions specifically related to artificial intelligence.

The primary areas of research encompass topics such as cryptography and data security, privacy-preserving technologies in data, network security and intrusion detection, chaos-based image and signal encryption, advanced malware detection techniques, internet traffic analysis and secure electronic voting, and adversarial robustness in machine learning.

Among recent papers authored by Kouichi Sakurai or their team are:

  • Machine Learning-Based IoT-Botnet Attack Detection with Sequential Architecture (2020) in Sensors
  • Towards a Lightweight Detection System for Cyber Attacks in the IoT Environment Using Corresponding Features (2020) in Electronics
  • A Survey on Feature Selection Techniques Based on Filtering Methods for Cyber Attack Detection (2023) in Information
  • A Survey on Group Signatures and Ring Signatures: Traceability vs. Anonymity (2022) in Cryptography
  • A Review on Machine Unlearning (2023) in SN Computer Science

Frequent co-authors collaborating with Kouichi Sakurai include:

  • Sabyasachi Dutta (12 joint publications)
  • Haibo Zhang (9 joint publications)
  • Maharage Nisansala Sevwandi Perera (8 joint publications)
  • Toru Nakamura (8 joint publications)
  • Haowen Tan (7 joint publications)

Sakurai's work has been disseminated regularly in several publication venues. The most prominent among these are:

  • arXiv (Cornell University) with 9 publications
  • IEEE Access with 5 publications
  • American Journal Of Advanced Computing with 4 publications
  • Electronics with 2 publications
  • Cryptography with 2 publications

In addition to journal articles and conference papers, Kouichi Sakurai has contributed to book publications. These include titles published by Springer Science+Business Media and Springer International Publishing, such as Science of Cyber Security (2022) and the Proceedings of the Ninth International Conference on Mathematics and Computing (2023).

Best Publications

  • One Pixel Attack for Fooling Deep Neural Networks

    Jiawei Su;Danilo Vasconcellos Vargas;Kouichi Sakurai

  • Lightweight Classification of IoT Malware Based on Image Recognition

    Jiawei Su;Vargas Danilo Vasconcellos;Sanjiva Prasad;Sgandurra Daniele

  • Grouping proof for RFID tags

    J. Saito;K. Sakurai

  • Bitcoin Block Withholding Attack: Analysis and Mitigation

    Samiran Bag;Sushmita Ruj;Kouichi Sakurai

  • Machine Learning-Based IoT-Botnet Attack Detection with Sequential Architecture.

    Yan Naung Soe;Yan Naung Soe;Yaokai Feng;Paulus Insap Santosa;Rudy Hartanto

  • Authentication in mobile cloud computing

    Mojtaba Alizadeh;Saeid Abolfazli;Mazdak Zamani;Sabariah Baharun

  • Power Analysis Breaks Elliptic Curve Cryptosystems even Secure against the Timing Attack

    Katsuyuki Okeya;Kouichi Sakurai

  • Enhancing Privacy of Universal Re-encryption Scheme for RFID Tags

    Junichiro Saito;Jae Cheol Ryou;Kouichi Sakurai

  • Elliptic Curves with the Montgomery-Form and Their Cryptographic Applications

    Katsuyuki Okeya;Hiroyuki Kurumatani;Kouichi Sakurai

  • Realizing fine-grained and flexible access control to outsourced data with attribute-based cryptosystems

    Fangming Zhao;Takashi Nishide;Kouichi Sakurai

  • Flexible service selection with user-specific QoS support in service-oriented architecture

    Laiping Zhao;Yizhi Ren;Mingchu Li;Kouichi Sakurai

  • Efficient Elliptic Curve Cryptosystems from a Scalar Multiplication Algorithm with Recovery of the y-Coordinate on a Montgomery-Form Elliptic Curve

    Katsuyuki Okeya;Kouichi Sakurai

  • Comparison of Risk Analysis Methods: Mehari, Magerit, NIST800-30 and Microsoft's Security Management Guide

    Amril Syalim;Yoshiaki Hori;Kouichi Sakurai

  • Towards a Lightweight Detection System for Cyber Attacks in the IoT Environment Using Corresponding Features

    Yan Naung Soe;Yan Naung Soe;Yaokai Feng;Paulus Insap Santosa;Rudy Hartanto

  • Reassignment scheme of an RFID tag’s key for owner transfer

    Junichiro Saito;Kenji Imamoto;Kouichi Sakurai

  • An Anonymous Electronic Bidding Protocol Based on a New Convertible Group Signature Scheme

    Kouichi Sakurai;Shingo Miyazaki

  • Reliable workflow scheduling with less resource redundancy

    Laiping Zhao;Yizhi Ren;Kouichi Sakurai

  • A Robust and Compression-Combined Digital Image Encryption Method Based on Compressive Sensing

    Rong Huang;Kouichi Sakurai

  • Fault-tolerant scheduling with dynamic number of replicas in heterogeneous systems

    Laiping Zhao;Yizhi Ren;Yang Xiang;Kouichi Sakurai

  • Multi-user keyword search scheme for secure data sharing with fine-grained access control

    Fangming Zhao;Takashi Nishide;Kouichi Sakurai

  • Lightweight Classification of IoT Malware based on Image Recognition

    Jiawei Su;Danilo Vasconcellos Vargas;Sanjiva Prasad;Daniele Sgandurra

Frequent Co-Authors

Tsuyoshi Takagi
Tsuyoshi Takagi University of Tokyo
Ilsun You
Ilsun You Kookmin University
Jianying Zhou
Jianying Zhou Singapore University of Technology and Design
Feng Bao
Feng Bao Huawei Technologies (China)
Moti Yung
Moti Yung Columbia University
Jian Weng
Jian Weng Jinan University
Aruna Seneviratne
Aruna Seneviratne University of New South Wales
Sanjay Jha
Sanjay Jha University of New South Wales
Dong Hoon Lee
Dong Hoon Lee Korea University
Palash Sarkar
Palash Sarkar Indian Statistical Institute

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