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Hiroshi Uyama

Hiroshi Uyama

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 81 2572 2482 112 109 606 25167
Chemistry 81 3225 2909 192 178 590 24917

Hiroshi Uyama publications per year

The chart shows the history of publications by Hiroshi Uyama between 1986 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroshi Uyama published across 40 years, from 1986 to 2025, averaging 18.6 papers a year. Output peaked at 52 publications in 2021. 89 of the 745 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1986 to 2025. Vertical axis: number of publications, 0 to 52. Peak 52 publications in 2021. 1986: 2 publications 1987: 1 publication 1988: 0 publications 1989: 1 publication 1990: 12 publications 1991: 10 publications 1992: 12 publications 1993: 9 publications 1994: 8 publications 1995: 9 publications 1996: 11 publications 1997: 12 publications 1998: 24 publications 1999: 14 publications 2000: 23 publications 2001: 22 publications 2002: 19 publications 2003: 25 publications 2004: 25 publications 2005: 10 publications 2006: 10 publications 2007: 12 publications 2008: 5 publications 2009: 8 publications 2010: 16 publications 2011: 10 publications 2012: 10 publications 2013: 14 publications 2014: 25 publications 2015: 33 publications 2016: 19 publications 2017: 19 publications 2018: 21 publications 2019: 25 publications 2020: 46 publications 2021: 52 publications 2022: 37 publications 2023: 45 publications 2024: 52 publications 2025: 37 publications
1986 2025

745 publications in total across all disciplines

View publications per year as a table
Hiroshi Uyama: publications per year, 1986 to 2025
Year Publications
1986 2
1987 1
1988 0
1989 1
1990 12
1991 10
1992 12
1993 9
1994 8
1995 9
1996 11
1997 12
1998 24
1999 14
2000 23
2001 22
2002 19
2003 25
2004 25
2005 10
2006 10
2007 12
2008 5
2009 8
2010 16
2011 10
2012 10
2013 14
2014 25
2015 33
2016 19
2017 19
2018 21
2019 25
2020 46
2021 52
2022 37
2023 45
2024 52
2025 37
Total 745
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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.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 590–609 publications, is where this scientist sits. 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
50–69 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.

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356
110–129 487
130–149 723
150–169 835
170–189 850
190–209 891
210–229 862
230–249 766
250–269 726
270–289 665
290–309 593
310–329 537
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111
590–609 103 606
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
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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.

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 80–81 D-Index, is where this scientist sits. 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
40–41 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.

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450
44–45 612
46–47 612
48–49 598
50–51 657
52–53 667
54–55 621
56–57 597
58–59 610
60–61 587
62–63 606
64–65 533
66–67 490
68–69 469
70–71 378
72–73 421
74–75 359
76–77 323
78–79 299
80–81 230 81
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10
158–159 7
160–161 4
162–163 4
164 3
165+ 98
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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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