World's Best Scientists 2026 revealed!
Takuji Ishikawa

Takuji Ishikawa

D-Index & Metrics

Engineering and Technology

D-Index
47
Citations
7660
World Ranking
4926
National Ranking
78

Takuji Ishikawa publication distribution in Engineering and Technology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Takuji Ishikawa sits on this spectrum.

38–47 publications: 20 scientists 48–57 publications: 35 scientists 58–67 publications: 96 scientists 68–77 publications: 135 scientists 78–87 publications: 190 scientists 88–97 publications: 259 scientists 98–107 publications: 283 scientists 108–117 publications: 369 scientists 118–127 publications: 341 scientists 128–137 publications: 386 scientists 138–147 publications: 372 scientists 148–157 publications: 457 scientists 158–167 publications: 415 scientists 168–177 publications: 407 scientists 178–187 publications: 421 scientists 188–197 publications: 378 scientists 198–207 publications: 403 scientists 208–217 publications: 317 scientists 218–227 publications: 346 scientists 228–237 publications: 321 scientists 238–247 publications: 260 scientists 248–257 publications: 280 scientists 258–267 publications: 240 scientists 268–277 publications: 214 scientists 278–287 publications: 242 scientists 288–297 publications: 203 scientists 298–307 publications: 166 scientists 308–317 publications: 154 scientists 318–327 publications: 175 scientists 328–337 publications: 159 scientists 338–347 publications: 99 scientists 348–357 publications: 131 scientists 358–367 publications: 106 scientists 368–377 publications: 118 scientists 378–387 publications: 97 scientists 388–397 publications: 108 scientists 398–407 publications: 82 scientists 408–417 publications: 71 scientists 418–427 publications: 64 scientists 428–437 publications: 55 scientists 438–447 publications: 54 scientists 448–457 publications: 60 scientists 458–467 publications: 47 scientists 468–477 publications: 40 scientists 478–487 publications: 30 scientists 488–497 publications: 29 scientists 498–507 publications: 38 scientists 508–517 publications: 40 scientists 518–527 publications: 32 scientists 528–537 publications: 23 scientists 538–547 publications: 28 scientists 548–557 publications: 23 scientists 558–567 publications: 19 scientists 568–577 publications: 16 scientists 578–587 publications: 17 scientists 588–597 publications: 18 scientists 598–607 publications: 22 scientists 608–617 publications: 15 scientists 618–627 publications: 9 scientists 628–637 publications: 11 scientists 638–647 publications: 21 scientists 648–657 publications: 12 scientists 658–667 publications: 9 scientists 668–677 publications: 11 scientists 678–687 publications: 9 scientists 688–697 publications: 6 scientists 698–707 publications: 14 scientists 708–717 publications: 7 scientists 718–727 publications: 8 scientists 728–737 publications: 10 scientists 738–747 publications: 9 scientists 748–757 publications: 5 scientists 758–767 publications: 5 scientists 768–777 publications: 11 scientists 778–787 publications: 7 scientists 788–797 publications: 2 scientists 798–803 publications: 4 scientists 804+ publications: 100 scientists
38 publications 804+

This scientist: 541 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 804 publications or more.

Takuji Ishikawa D-index placement in Engineering and Technology in 2026

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

30 D-Index: 59 scientists 31 D-Index: 114 scientists 32 D-Index: 129 scientists 33 D-Index: 189 scientists 34 D-Index: 200 scientists 35 D-Index: 262 scientists 36 D-Index: 311 scientists 37 D-Index: 312 scientists 38 D-Index: 350 scientists 39 D-Index: 385 scientists 40 D-Index: 348 scientists 41 D-Index: 362 scientists 42 D-Index: 426 scientists 43 D-Index: 380 scientists 44 D-Index: 310 scientists 45 D-Index: 341 scientists 46 D-Index: 301 scientists 47 D-Index: 306 scientists 48 D-Index: 271 scientists 49 D-Index: 246 scientists 50 D-Index: 210 scientists 51 D-Index: 253 scientists 52 D-Index: 213 scientists 53 D-Index: 221 scientists 54 D-Index: 195 scientists 55 D-Index: 186 scientists 56 D-Index: 170 scientists 57 D-Index: 167 scientists 58 D-Index: 166 scientists 59 D-Index: 144 scientists 60 D-Index: 152 scientists 61 D-Index: 141 scientists 62 D-Index: 138 scientists 63 D-Index: 131 scientists 64 D-Index: 118 scientists 65 D-Index: 114 scientists 66 D-Index: 119 scientists 67 D-Index: 95 scientists 68 D-Index: 87 scientists 69 D-Index: 77 scientists 70 D-Index: 89 scientists 71 D-Index: 69 scientists 72 D-Index: 54 scientists 73 D-Index: 46 scientists 74 D-Index: 55 scientists 75 D-Index: 54 scientists 76 D-Index: 49 scientists 77 D-Index: 53 scientists 78 D-Index: 46 scientists 79 D-Index: 28 scientists 80 D-Index: 39 scientists 81 D-Index: 36 scientists 82 D-Index: 24 scientists 83 D-Index: 26 scientists 84 D-Index: 36 scientists 85 D-Index: 18 scientists 86 D-Index: 25 scientists 87 D-Index: 19 scientists 88 D-Index: 26 scientists 89 D-Index: 27 scientists 90 D-Index: 23 scientists 91 D-Index: 15 scientists 92 D-Index: 12 scientists 93 D-Index: 9 scientists 94 D-Index: 15 scientists 95 D-Index: 10 scientists 96 D-Index: 13 scientists 97 D-Index: 13 scientists 98 D-Index: 9 scientists 99 D-Index: 7 scientists 100 D-Index: 7 scientists 101 D-Index: 8 scientists 102 D-Index: 7 scientists 103 D-Index: 7 scientists 104 D-Index: 9 scientists 105 D-Index: 6 scientists 106 D-Index: 9 scientists 107+ D-Index: 99 scientists
30 D-Index 107+

This scientist: 47 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 107 D-Index or more.

Overview

Takuji Ishikawa is affiliated with Tohoku University in Japan and has contributed extensively to research in the fields of engineering and physics and astronomy. The scientist's work spans several interconnected disciplines including condensed matter physics, biomedical engineering, and molecular biology.

Their research primarily focuses on topics such as micro and nano robotics, microfluidic and bio-sensing technologies, protist diversity and phylogeny, modular robots and swarm intelligence, molecular communication and nanonetworks, pickering emulsions and particle stabilization, and particle dynamics in fluid flows.

Notable recent publications by Ishikawa include:

  • Fluid Dynamics of Squirmers and Ciliated Microorganisms, 2023, Annual Review of Fluid Mechanics
  • Motility and phototaxis of Gonium, the simplest differentiated colonial alga, 2020, Physical review. E

Other significant papers related closely to the scientist's areas of interest, while authored by collaborators, include:

  • Immotile cilia mechanically sense the direction of fluid flow for left-right determination, 2023, Science
  • Swimming microorganisms acquire optimal efficiency with multiple cilia, 2020, Proceedings of the National Academy of Sciences
  • Rheotaxis and migration of an unsteady microswimmer, 2021, Journal of Fluid Mechanics

Ishikawa frequently publishes in journals recognized in their field, such as the Journal of Fluid Mechanics, Physical review. E, Physical Review Fluids, arXiv from Cornell University, and Baiofurontia Kouenkai kouen rombunshuu/Baiofurontia Koenkai koen ronbunshu.

Collaborative efforts highlight co-authorship with researchers including Toshihiro Omori, Kenji Kikuchi, Raymond E. Goldstein, T. J. Pedley, and Hélène de Maleprade, reflecting a network of collaboration primarily in fluid mechanics and biological physics.

Best Publications

  • Hydrodynamic interaction of two swimming model micro-organisms

    Takuji Ishikawa;M. P. Simmonds;T. J. Pedley

  • Dancing volvox: hydrodynamic bound states of swimming algae.

    Knut Drescher;Kyriacos C. Leptos;Idan Tuval;Takuji Ishikawa

  • In vitro blood flow in a rectangular PDMS microchannel: experimental observations using a confocal micro-PIV system.

    Rui Lima;Shigeo Wada;Shuji Tanaka;Motohiro Takeda

  • Coherent Structures in Monolayers of Swimming Particles

    Takuji Ishikawa;T. J. Pedley

  • Diffusion of swimming model micro-organisms in a semi-dilute suspension

    Takuji Ishikawa;T. J. Pedley

  • The rheology of a semi-dilute suspension of swimming model micro-organisms

    Takuji Ishikawa;T. J. Pedley

  • Development of coherent structures in concentrated suspensions of swimming model micro-organisms

    Takuji Ishikawa;J. T. Locsei;T. J. Pedley

  • Can temporal fluctuation in spatial wall shear stress gradient initiate a cerebral aneurysm? A proposed novel hemodynamic index, the gradient oscillatory number (GON).

    Yuji Shimogonya;Takuji Ishikawa;Yohsuke Imai;Noriaki Matsuki

  • Interaction of two swimming Paramecia

    Takuji Ishikawa;Masateru Hota

  • Suspension biomechanics of swimming microbes

    Takuji Ishikawa

  • Red blood cell motions in high-hematocrit blood flowing through a stenosed microchannel

    Hiroki Fujiwara;Takuji Ishikawa;R. Lima;Noriaki Matsuki

  • Hydrodynamic entrapment of bacteria swimming near a solid surface.

    Davide Giacché;Takuji Ishikawa;Takami Yamaguchi

  • Orientational order in concentrated suspensions of spherical microswimmers

    Arthur A. Evans;Takuji Ishikawa;Takami Yamaguchi;Eric Lauga

  • Hydrodynamic interactions between two swimming bacteria

    T. Ishikawa;G. Sekiya;Y. Imai;T. Yamaguchi

  • Radial dispersion of red blood cells in blood flowing through glass capillaries: the role of hematocrit and geometry

    Rui Lima;Takuji Ishikawa;Yohsuke Imai;Motohiro Takeda

  • Precision measurement of the 3d→2p x-ray energy in kaonic 4He

    S. Okada;G. Beer;H. Bhang;M. Cargnelli

  • Laser measurements of the density shifts of resonance lines in antiprotonic helium atoms and stringent constraint on the antiproton charge and mass

    H. A. Torii;R. S. Hayano;M. Hori;T. Ishikawa

  • Human red blood cell behavior under homogeneous extensional flow in a hyperbolic-shaped microchannel

    Tomoko Yaginuma;M. S. N. Oliveira;R. Lima;Takuji Ishikawa

  • Measurement of individual red blood cell motions under high hematocrit conditions using a confocal micro-PTV system.

    Rui Lima;Rui Lima;Takuji Ishikawa;Yohsuke Imai;Motohiro Takeda

  • Asymmetry of red blood cell motions in a microchannel with a diverging and converging bifurcation

    Vladimir Leble;R. Lima;Ricardo P. Dias;Carla S. Fernandes

  • Modeling of hemodynamics arising from malaria infection

    Yohsuke Imai;Hitoshi Kondo;Takuji Ishikawa;Chwee Teck Lim

  • Energy Transport in a Concentrated Suspension of Bacteria

    T. Ishikawa;N. Yoshida;H. Ueno;M. Wiedeman

  • Fluid particle diffusion in a semidilute suspension of model micro-organisms.

    Takuji Ishikawa;J. T. Locsei;T. J. Pedley

Frequent Co-Authors

Takami Yamaguchi
Takami Yamaguchi Tohoku University
Toshihiro Omori
Toshihiro Omori Tohoku University
Timothy J. Pedley
Timothy J. Pedley University of Cambridge
Shin-ya Koshihara
Shin-ya Koshihara Tokyo Institute of Technology
Ryugo S. Hayano
Ryugo S. Hayano University of Tokyo
Hiroshi Hamada
Hiroshi Hamada RIKEN Center for Biosystems Dynamics Research
Chwee Teck Lim
Chwee Teck Lim National University of Singapore
Yoichi Okimoto
Yoichi Okimoto Tokyo Institute of Technology
Eric Lauga
Eric Lauga University of Cambridge
Knut Drescher
Knut Drescher Max Planck Society

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