World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
75
Citations
24419
World Ranking
19047
National Ranking
610

Ichiro Sekiya publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Ichiro Sekiya sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 349 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Ichiro Sekiya D-index placement in Medicine in 2026

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

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 75 D-Index — 6th percentile

6% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Ichiro Sekiya is affiliated with Tokyo Medical and Dental University in Japan, focusing primarily on medicine with a significant emphasis on surgery and rheumatology. Their research portfolio includes substantial contributions to orthopedics and sports medicine, genetics, and biomedical engineering. The main areas of their work encompass knee injuries and reconstruction techniques, total knee arthroplasty outcomes, osteoarthritis treatment and mechanisms, mesenchymal stem cell research, orthopaedic implants and arthroplasty, lower extremity biomechanics and pathologies, and periodontal regeneration and treatments.

Among the recent papers associated with their research, the following are notable:

  • Characteristics of MSCs in Synovial Fluid and Mode of Action of Intra-Articular Injections of Synovial MSCs in Knee Osteoarthritis, 2021, International Journal of Molecular Sciences

Other recent influential papers relevant to the field include:

  • Degenerative Meniscus in Knee Osteoarthritis: From Pathology to Treatment, 2022, Life
  • Trends in Arthroplasty in Japan by a Complete Survey, 2014-2017, 2020, Journal of Orthopaedic Science
  • Clearance of Senescent Cells with ABT-263 Improves Biological Functions of Synovial Mesenchymal Stem Cells from Osteoarthritis Patients, 2022, Stem Cell Research & Therapy
  • Arthroscopic Centralization Using Knotless Anchors for Extruded Medial Meniscus, 2021, Arthroscopy Techniques

Frequent coauthors collaborating with Sekiya include Hideyuki Koga, Nobutake Ozeki, Hisako Katano, Yusuke Nakagawa, and Mitsuru Mizuno.

Their research frequently appears in publication venues such as Regenerative Therapy, Scientific Reports, Journal of Orthopaedic Science, Osteoarthritis and Cartilage, and Arthroscopy Techniques.

Their work in medicine spans over 300 publications with a particular focus on surgical techniques and rheumatology, reflecting a broad and multidisciplinary approach to musculoskeletal disorders and treatment development.

Best Publications

  • Comparison of human stem cells derived from various mesenchymal tissues: Superiority of synovium as a cell source

    Yusuke Sakaguchi;Ichiro Sekiya;Kazuyoshi Yagishita;Takeshi Muneta

  • Expansion of human adult stem cells from bone marrow stroma: conditions that maximize the yields of early progenitors and evaluate their quality

    Ichiro Sekiya;Benjamin L. Larson;Jason R. Smith;Radhika Pochampally

  • Identification of a subpopulation of rapidly self-renewing and multipotential adult stem cells in colonies of human marrow stromal cells.

    David C. Colter;Ichiro Sekiya;Darwin J. Prockop

  • Comparison of rat mesenchymal stem cells derived from bone marrow, synovium, periosteum, adipose tissue, and muscle.

    Hideya Yoshimura;Takeshi Muneta;Akimoto Nimura;Akiko Yokoyama

  • In vitro cartilage formation by human adult stem cells from bone marrow stroma defines the sequence of cellular and molecular events during chondrogenesis

    Ichiro Sekiya;Jussi T. Vuoristo;Benjamin L. Larson;Darwin J. Prockop

  • SOX9 enhances aggrecan gene promoter/enhancer activity and is up-regulated by retinoic acid in a cartilage-derived cell line, TC6.

    Ichiro Sekiya;Kunikazu Tsuji;Peter Koopman;Hideto Watanabe

  • A Prospective Randomized Study of 4-Strand Semitendinosus Tendon Anterior Cruciate Ligament Reconstruction Comparing Single-Bundle and Double-Bundle Techniques

    Takeshi Muneta;Hideyuki Koga;Tomoyuki Mochizuki;Young-Jin Ju

  • Two-Bundle Reconstruction of the Anterior Cruciate Ligament Using Semitendinosus Tendon With Endobuttons: Operative Technique and Preliminary Results*

    Takeshi Muneta;Ichiro Sekiya;Kazuyoshi Yagishita;Takashi Ogiuchi

  • Comparison of effect of BMP-2, -4, and -6 on in vitro cartilage formation of human adult stem cells from bone marrow stroma.

    Ichiro Sekiya;Benjamin L. Larson;Jussi T. Vuoristo;Roxanne L. Reger

  • Humeral Insertion of the Supraspinatus and Infraspinatus. New Anatomical Findings Regarding the Footprint of the Rotator Cuff

    Tomoyuki Mochizuki;Hiroyuki Sugaya;Mari Uomizu;Kazuhiko Maeda

  • BMP-6 enhances chondrogenesis in a subpopulation of human marrow stromal cells.

    Ichiro Sekiya;David C. Colter;Darwin J. Prockop

  • Stem cell properties of human periodontal ligament cells

    K. Nagatomo;M. Komaki;I. Sekiya;Y. Sakaguchi

  • Adipogenic differentiation of human adult stem cells from bone marrow stroma (MSCs).

    Ichiro Sekiya;Benjamin L Larson;Jussi T Vuoristo;Jian-Guo Cui

  • In vitro chondrogenesis of human synovium-derived mesenchymal stem cells: optimal condition and comparison with bone marrow-derived cells.

    Shinichi Shirasawa;Ichiro Sekiya;Yusuke Sakaguchi;Kazuyoshi Yagishita

  • Higher chondrogenic potential of fibrous synovium– and adipose synovium–derived cells compared with subcutaneous fat–derived cells: Distinguishing properties of mesenchymal stem cells in humans

    Tomoyuki Mochizuki;Takeshi Muneta;Yusuke Sakaguchi;Akimoto Nimura

  • Comparison of mesenchymal tissues-derived stem cells for in vivo chondrogenesis: suitable conditions for cell therapy of cartilage defects in rabbit

    Hideyuki Koga;Takeshi Muneta;Tsuyoshi Nagase;Akimoto Nimura

  • Basic Science of Articular Cartilage.

    Camila B. Carballo;Yusuke Nakagawa;Ichiro Sekiya;Scott A. Rodeo

  • Intra-articular Injected synovial stem cells differentiate into meniscal cells directly and promote meniscal regeneration without mobilization to distant organs in rat massive meniscal defect.

    Masafumi Horie;Ichiro Sekiya;Takeshi Muneta;Shizuko Ichinose

  • Isolation and characterization of rapidly self-renewing stem cells from cultures of human marrow stromal cells.

    D.J. Prockop;I. Sekiya;D.C. Colter

  • Suspended cells from trabecular bone by collagenase digestion become virtually identical to mesenchymal stem cells obtained from marrow aspirates.

    Yusuke Sakaguchi;Ichiro Sekiya;Kazuyoshi Yagishita;Shizuko Ichinose

Frequent Co-Authors

Takeshi Muneta
Takeshi Muneta Tokyo Medical and Dental University
Kunikazu Tsuji
Kunikazu Tsuji Tokyo Medical and Dental University
Darwin J. Prockop
Darwin J. Prockop Texas A&M University
Eiji Kobayashi
Eiji Kobayashi Keio University
Akihiro Umezawa
Akihiro Umezawa National Center For Child Health and Development
Masaki Noda
Masaki Noda Tokyo Medical and Dental University
Kenji Matsumoto
Kenji Matsumoto Izumi Municipal Hospital
Hirohisa Saito
Hirohisa Saito Juntendo University
Yoshihiko Yamada
Yoshihiko Yamada National Institutes of Health
Peter Koopman
Peter Koopman University of Queensland

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