World's Best Scientists 2026 revealed!

D-Index & Metrics

Engineering and Technology

D-Index
44
Citations
6237
World Ranking
5918
National Ranking
106

Hirokazu Kaji 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 Hirokazu Kaji 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: 187 publications — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Hirokazu Kaji 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 Hirokazu Kaji 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: 44 D-Index — 42nd percentile

42% of scientists in this discipline score the same or lower.

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

Overview

Hirokazu Kaji is affiliated with the Institute of Science Tokyo in Japan and has contributed extensively to the fields of medicine and engineering. Their research primarily spans biomedical engineering and molecular biology, with additional work in ophthalmology, cellular and molecular neuroscience, and obstetrics and gynecology.

The scientist's publications focus on topics including 3D printing in biomedical research, innovative microfluidic and catalytic techniques, retinal development and disorders, retinal diseases and treatments, neuroscience and neural engineering, pregnancy and preeclampsia studies, and tissue engineering and regenerative medicine.

Frequent venues for their published work include ECS Meeting Abstracts, Micromachines, Placenta, Sensors, and Nature Communications. The distribution of publications highlights a multidisciplinary approach, bridging engineering and medical sciences.

Notable recent papers authored or co-authored by Hirokazu Kaji include:

  • 3D Printing Techniques and Their Applications to Organ-on-a-Chip Platforms: A Systematic Review, 2021, Sensors
  • Modeling embryo-endometrial interface recapitulating human embryo implantation, 2024, Science Advances
  • Organ-on-a-Chip Platforms for Drug Screening and Delivery in Tumor Cells: A Systematic Review, 2022, Cancers
  • The microRNA cluster C19MC confers differentiation potential into trophoblast lineages upon human pluripotent stem cells, 2022, Nature Communications
  • Trophoblast stem cell-based organoid models of the human placental barrier, 2024, Nature Communications

Hirokazu Kaji collaborates frequently with other researchers including Takeshi Hori, Nobuhiro Nagai, Toshiaki Abe, Yuji Nashimoto, and Serge Ostrovidov, indicating a strong network within their research community.

Best Publications

  • Biomimetic tissues on a chip for drug discovery

    Amir M. Ghaemmaghami;Matthew J. Hancock;Helen Harrington;Hirokazu Kaji

  • Skeletal muscle tissue engineering: methods to form skeletal myotubes and their applications.

    Serge Ostrovidov;Vahid Hosseini;Samad Ahadian;Toshinori Fujie

  • Cell docking inside microwells within reversibly sealed microfluidic channels for fabricating multiphenotype cell arrays

    Ali Khademhosseini;Ali Khademhosseini;Judy Yeh;George Eng;Jeffrey Karp

  • Engineered Contractile Skeletal Muscle Tissue on a Microgrooved Methacrylated Gelatin Substrate

    Vahid Hosseini;Samad Ahadian;Serge Ostrovidov;Gulden Camci-Unal;Gulden Camci-Unal

  • Dielectrophoretically Aligned Carbon Nanotubes to Control Electrical and Mechanical Properties of Hydrogels to Fabricate Contractile Muscle Myofibers

    Javier Ramón-Azcón;Samad Ahadian;Mehdi Estili;Xiaobin Liang

  • Engineering systems for the generation of patterned co-cultures for controlling cell-cell interactions.

    Hirokazu Kaji;Gulden Camci-Unal;Gulden Camci-Unal;Robert Langer;Ali Khademhosseini;Ali Khademhosseini

  • Gelatin methacrylate as a promising hydrogel for 3D microscale organization and proliferation of dielectrophoretically patterned cells

    Javier Ramón-Azcón;Samad Ahadian;Raquel Obregón;Gulden Camci-Unal

  • Highly conductive stretchable and biocompatible electrode-hydrogel hybrids for advanced tissue engineering.

    Masato Sasaki;Bijoy Chandapillai Karikkineth;Kuniaki Nagamine;Hirokazu Kaji

  • An enzyme-based microfluidic biofuel cell using vitamin K3-mediated glucose oxidation

    Makoto Togo;Akimasa Takamura;Tatsuya Asai;Hirokazu Kaji

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

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

  • Patterned Differentiation of Individual Embryoid Bodies in Spatially Organized 3D Hybrid Microgels

    Hao Qi;Yanan Du;Yanan Du;Yanan Du;Lianyong Wang;Lianyong Wang;Lianyong Wang;Hirokazu Kaji;Hirokazu Kaji;Hirokazu Kaji

  • In situ formation of injectable chitosan-gelatin hydrogels through double crosslinking for sustained intraocular drug delivery

    Yuanhui Song;Nobuhiro Nagai;Saaya Saijo;Hirokazu Kaji

  • Interdigitated array of Pt electrodes for electrical stimulation and engineering of aligned muscle tissue

    Samad Ahadian;Javier Ramón-Azcón;Serge Ostrovidov;Gulden Camci-Unal

  • Structural studies of enzyme-based microfluidic biofuel cells

    Makoto Togo;Akimasa Takamura;Tatsuya Asai;Hirokazu Kaji

  • Microelectrochemical approach to induce local cell adhesion and growth on substrates.

    Hirokazu Kaji;Masamitsu Kanada;Daisuke Oyamatsu;Tomokazu Matsue

  • Preparation and characterization of collagen microspheres for sustained release of VEGF.

    Nobuhiro Nagai;Norihiro Kumasaka;Takeaki Kawashima;Hirokazu Kaji

  • 3D Printing Techniques and Their Applications to Organ-on-a-Chip Platforms: A Systematic Review

    Violeta Meneses Carvalho;Inês Maia Silva Rodrigo Gonçalves;Teresa Cristina Carqueijó Lage;Raquel Oliveira Rodrigues

  • Engineered Nanomembranes for Directing Cellular Organization Toward Flexible Biodevices

    Toshinori Fujie;Samad Ahadian;Hao Liu;Haixin Chang

  • Organ-on-a-Chip Platforms for Drug Screening and Delivery in Tumor Cells: A Systematic Review

    Unknown

  • Localized chemical stimulation to micropatterned cells using multiple laminar fluid flows.

    Hirokazu Kaji;Matsuhiko Nishizawa;Tomokazu Matsue

  • Electrodeposition of anchored polypyrrole film on microelectrodes and stimulation of cultured cardiac myocytes

    Matsuhiko Nishizawa;Hyuma Nozaki;Hirokazu Kaji;Takahiro Kitazume

  • Three-dimensional co-culture of C2C12/PC12 cells improves skeletal muscle tissue formation and function

    Serge Ostrovidov;Samad Ahadian;Javier Ramon-Azcon;Vahid Hosseini

  • Electrical stimulation as a biomimicry tool for regulating muscle cell behavior

    Samad Ahadian;Serge Ostrovidov;Vahid Hosseini;Hirokazu Kaji

Frequent Co-Authors

Matsuhiko Nishizawa
Matsuhiko Nishizawa Tohoku University
Ali Khademhosseini
Ali Khademhosseini Terasaki Foundation
Tomokazu Matsue
Tomokazu Matsue Tohoku University
Samad Ahadian
Samad Ahadian University of California, Los Angeles
Hojae Bae
Hojae Bae Konkuk University
Makoto Kanzaki
Makoto Kanzaki Tohoku University
Hitoshi Shiku
Hitoshi Shiku Tohoku University
Nasim Annabi
Nasim Annabi University of California, Los Angeles
Noriko Osumi
Noriko Osumi Tohoku University

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