World's Best Scientists 2026 revealed!
Hiroshi Uyama

Hiroshi Uyama

D-Index & Metrics

Materials Science

D-Index
81
Citations
25167
World Ranking
2572
National Ranking
112

Chemistry

D-Index
81
Citations
24917
World Ranking
3225
National Ranking
192

Hiroshi Uyama publication distribution in Materials Science in 2026

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

50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50 publications 1,163+

This scientist: 606 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

Hiroshi Uyama D-index placement in Materials Science in 2026

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

40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40 D-Index 165+

This scientist: 81 D-Index — 80th percentile

80% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

Overview

Hiroshi Uyama is affiliated with Osaka University in Japan and has a significant research output in materials science and engineering. Their research primarily focuses on biomaterials, electrical and electronic engineering, biomedical engineering, materials chemistry, and polymers and plastics.

Their prominent areas of study cover:

  • Biodegradable polymer synthesis and properties
  • Advanced cellulose research studies
  • Electrospun nanofibers in biomedical applications
  • Supercapacitor materials and fabrication
  • Hydrogels: synthesis, properties, applications
  • Advanced sensor and energy harvesting materials
  • Microplastics and plastic pollution

Uyama's recent published papers include:

  • "Poly(glutamic acid): Production, composites, and medical applications of the next-generation biopolymer" (2020) in Progress in Polymer Science
  • "Recent progress in cellulose-based composites towards flame retardancy applications" (2022) in Polymer
  • "Synthesis of nanocomposite hydrogel based carboxymethyl starch/polyvinyl alcohol/nanosilver for biomedical materials" (2020) in Carbohydrate Polymers
  • "Strategies to develop polymeric microneedles for controlled drug release" (2023) in Advanced Drug Delivery Reviews
  • "Properties enhancement of carboxymethyl cellulose with thermo-responsive polymer as solid polymer electrolyte for zinc ion battery" (2020) in Scientific Reports

The scientist frequently publishes in the following venues:

  • Polymer Degradation and Stability
  • ACS Applied Polymer Materials
  • SSRN Electronic Journal
  • Chemical Engineering Journal
  • Polymer

Among frequent collaborators are Yu-I Hsu, Taka-Aki Asoh, Akihide Sugawara, Manunya Okhawilai, and Yehua Shen, with collaborative publication counts ranging from 18 to 92.

Best Publications

  • Tyrosinase inhibitors from natural and synthetic sources: structure, inhibition mechanism and perspective for the future.

    Y.-J. Kim;H. Uyama

  • Enzymes as Green Catalysts for Precision Macromolecular Synthesis

    Shin Ichiro Shoda;Hiroshi Uyama;Jun Ichi Kadokawa;Shunsaku Kimura

  • Injectable biodegradable hydrogels composed of hyaluronic acid-tyramine conjugates for drug delivery and tissue engineering

    Motoichi Kurisawa;Joo Eun Chung;Yi Yan Yang;Shu Jun Gao

  • Unprecedented CO2 uptake over highly porous N-doped activated carbon monoliths prepared by physical activation.

    Mahasweta Nandi;Keisuke Okada;Arghya Dutta;Arghya Dutta;Asim Bhaumik

  • Enzymatic polymerization and oligomerization

    Shiro Kobayashi;Shin-ichiro Shoda;Hiroshi Uyama

  • Enzymatic Ring-Opening Polymerization of Lactones Catalyzed by Lipase

    Hiroshi Uyama;Shiro Kobayashi

  • Green Nanocomposites from Renewable Resources: Plant Oil−Clay Hybrid Materials

    Hiroshi Uyama;Mai Kuwabara;Takashi Tsujimoto;Mitsuru Nakano

  • Novel Synthetic Pathway to a Poly(phenylene oxide). Laccase-Catalyzed Oxidative Polymerization of Syringic Acid

    Ryohei Ikeda;Hiroshi Uyama;Shiro Kobayashi

  • ENZYMATIC RING-OPENING POLYMERIZATION OF LACTONES TO POLYESTERS BY LIPASE CATALYST : UNUSUALLY HIGH REACTIVITY OF MACROLIDES

    Hiroshi Uyama;Kazuhiro Takeya;Shiro Kobayashi

  • Lipase-Catalyzed Ring-Opening Polymerization of 12-Dodecanolide

    Hiroshi Uyama;Kazuhiro Takeya;Norio Hoshi;Shiro Kobayashi

  • Kinetics of the Ring-Opening Polymerization of 6-, 7-, 9-, 12-, 13-, 16-, and 17-Membered Lactones. Comparison of Chemical and Enzymatic Polymerizations

    Andrzej Duda;Adam Kowalski;Stanislaw Penczek;Hiroshi Uyama

  • Enzymatic synthesis and antioxidant properties of poly(rutin).

    Motoichi Kurisawa;Joo Eun Chung;Hiroshi Uyama;Shiro Kobayashi

  • Polymerization of cyclic imino ethers: From its discovery to the present state of the art

    Shiro Kobayashi;Hiroshi Uyama

  • Enzymatic Polymerization for Precision Polymer Synthesis

    Shiro Kobayashi;Hiroshi Uyama;Masashi Ohmae

  • A Novel Thermo-Sensitive Polymer. Poly(2-iso-propyl-2-oxazoline)

    Hiroshi Uyama;Shiro Kobayashi

  • Laccase-catalyzed Synthesis and Antioxidant Property of Poly(catechin)

    Motoichi Kurisawa;Joo Eun Chung;Hiroshi Uyama;Shiro Kobayashi

  • Enzymatic synthesis and curing of biodegradable epoxide-containing polyesters from renewable resources.

    Hiroshi Uyama;Mai Kuwabara;Takashi Tsujimoto;Shiro Kobayashi

  • Lipase-catalyzed ring-opening polymerization of lactones to polyesters and its mechanistic aspects.

    Shuhei Namekawa;Sakae Suda;Hiroshi Uyama;Shiro Kobayashi

  • Enzyme-catalyzed polymerization to functional polymers

    Hiroshi Uyama;Shiro Kobayashi

  • Enzymatic Oxidative Polymerization of 2,6-Dimethylphenol

    Ryohei Ikeda;Junji Sugihara;Hiroshi Uyama;Shiro Kobayashi

  • Enzymatic polymerization.

    Unknown

Frequent Co-Authors

Shiro Kobayashi
Shiro Kobayashi Kyoto University
Motoichi Kurisawa
Motoichi Kurisawa Agency for Science, Technology and Research
Jun-ichi Kadokawa
Jun-ichi Kadokawa Kagoshima University
Asim Bhaumik
Asim Bhaumik Indian Association for the Cultivation of Science
Junichi Azuma
Junichi Azuma Osaka University
Yoshinori Takashima
Yoshinori Takashima Osaka University
Akira Harada
Akira Harada Osaka University
Yoshihiko Moro-oka
Yoshihiko Moro-oka Tokyo Institute of Technology
Tatsuya Shono
Tatsuya Shono Kyoto University
Hiroshi Kageyama
Hiroshi Kageyama Kyoto University

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