World's Best Scientists 2026 revealed!
Masahiro Watanabe

Masahiro Watanabe

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Chemistry
Japan
2026
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Materials Science
Japan
2022

D-Index & Metrics

Materials Science

D-Index
105
Citations
38540
World Ranking
847
National Ranking
27

Chemistry

D-Index
105
Citations
37976
World Ranking
1011
National Ranking
47

Masahiro Watanabe 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 Masahiro Watanabe 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: 655 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

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

Masahiro Watanabe 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 Masahiro Watanabe 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: 105 D-Index — 94th percentile

94% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Chemistry in Japan Leader Award
  • 2025 - Research.com Chemistry in Japan Leader Award
  • 2022 - Research.com Chemistry in Japan Leader Award
  • 2022 - Research.com Materials Science in Japan Leader Award

Overview

Masahiro Watanabe is affiliated with the University of Yamanashi in Japan, specializing in engineering with a strong focus on electrical and electronic engineering, renewable energy, sustainability, biomedical engineering, materials chemistry, and bioengineering.

Their research extensively covers topics related to fuel cells and related materials, electrocatalysts for energy conversion, advancements in solid oxide fuel cells, membrane-based ion separation techniques, analytical chemistry and sensors, electrochemical analysis and applications, as well as spectroscopy and quantum chemical studies.

Recent papers authored or co-authored by Watanabe include:

  • Neutron imaging of generated water inside polymer electrolyte fuel cell using newly-developed gas diffusion layer with gas flow channels during power generation (2022, Journal of Power Sources)
  • Interactions between adsorbed hydrogen and water molecules on a polycrystalline Pt electrode studied by in-situ ATR-FTIR spectroscopy (2024, Journal of Electroanalytical Chemistry)
  • Improvement of PEFC Performance Stability under High and Low Humidification Conditions by Use of a Gas Diffusion Layer with Interdigitated Gas Flow Channels (2022, Journal of The Electrochemical Society)
  • Analysis of performance stability under conditions of high & low humidity of polymer electrolyte fuel cells with interdigitated gas flow channels formed on a gas diffusion layer: An X-ray imaging and modeling study (2023, Journal of Power Sources)
  • Oscillation mechanism in polymer electrolyte membrane fuel cell studied by operando monitoring of oxygen partial pressure using optical probes (2021, Journal of The Surface Finishing Society of Japan)

Frequent collaborators working with Watanabe include:

  • Mitsunori Nasu
  • Naoki Hirayama
  • Akihiro Iiyama
  • Makoto Uchida
  • Junji Inukai

Watanabe's work has commonly been published in venues such as:

  • SSRN Electronic Journal
  • Journal of Power Sources
  • arXiv (Cornell University)
  • ECS Transactions
  • ECS Meeting Abstracts

Their approach integrates experimental techniques such as neutron imaging and in-situ ATR-FTIR spectroscopy, combined with modeling and advanced electrochemical analysis, to investigate performance stability and mechanisms in polymer electrolyte fuel cells under varying environmental conditions.

Best Publications

  • Enhancement of the Electroreduction of Oxygen on Pt Alloys with Fe, Ni, and Co

    Takako Toda;Hiroshi Igarashi;Hiroyuki Uchida;Masahiro Watanabe

  • Electrocatalysis by ad-atoms: Part II. Enhancement of the oxidation of methanol on platinum by ruthenium ad-atoms

    M. Watanabe;S. Motoo

  • Electrocatalysis by ad-atoms: Part III. Enhancement of the oxidation of carbon monoxide on platinum by ruthenium ad-atoms

    M. Watanabe;S. Motoo

  • Aliphatic/Aromatic Polyimide Ionomers as a Proton Conductive Membrane for Fuel Cell Applications

    Naoki Asano;Makoto Aoki;Shinsuke Suzuki;Kenji Miyatake

  • Preparation of highly dispersed Pt+Ru alloy clusters and the activity for the electrooxidation of methanol

    Masahiro Watanabe;Makoto Uchida;Satoshi Motoo

  • Electrochemical Reduction of Carbon Dioxide on Various Metal Electrodes in Low‐Temperature Aqueous KHCO 3 Media

    Masashi Azuma;Kazuhito Hashimoto;Masahiro Hiramoto;Masahiro Watanabe

  • Electronic Structures of Pt−Co and Pt−Ru Alloys for CO-Tolerant Anode Catalysts in Polymer Electrolyte Fuel Cells Studied by EC−XPS

    Mitsuru Wakisaka;Satoshi Mitsui;Yoshikazu Hirose;Katsura Kawashima

  • Self‐Humidifying Polymer Electrolyte Membranes for Fuel Cells

    Masahiro Watanabe;Hiroyuki Uchida;Yasuhiro Seki;Masaomi Emori

  • Enhancement of the electrocatalytic O2 reduction on Pt–Fe alloys

    Takako Toda;Hiroshi Igarashi;Masahiro Watanabe

  • Activity and Stability of Ordered and Disordered Co‐Pt Alloys for Phosphoric Acid Fuel Cells

    Masahiro Watanabe;Kazunori Tsurumi;Takayuki Mizukami;Toshihide Nakamura

  • Anion conductive block poly(arylene ether)s: synthesis, properties, and application in alkaline fuel cells.

    Manabu Tanaka;Keita Fukasawa;Eriko Nishino;Susumu Yamaguchi

  • Tuned Polymer Electrolyte Membranes Based on Aromatic Polyethers for Fuel Cell Applications

    Kenji Miyatake;Yohei Chikashige;Eiji Higuchi;Masahiro Watanabe

  • In-Situ ATR-FTIR Spectroscopic Study of Electro-oxidation of Methanol and Adsorbed CO at Pt−Ru Alloy

    Takahiro Yajima;and Hiroyuki Uchida;Masahiro Watanabe

  • CO Tolerance of Pt alloy electrocatalysts for polymer electrolyte fuel cells and the detoxification mechanism

    Hiroshi Igarashi;Takeshi Fujino;Yimin Zhu;Hiroyuki Uchida

  • Effects of carbon supports on Pt distribution, ionomer coverage and cathode performance for polymer electrolyte fuel cells

    Young-Chul Park;Haruki Tokiwa;Katsuyoshi Kakinuma;Masahiro Watanabe

  • Removal of carbon monoxide from hydrogen-rich fuels by selective oxidation over platinum catalyst supported on zeolite

    Hiroshi Igarashi;Hiroyuki Uchida;Miki Suzuki;Yuko Sasaki

  • Oxygen reduction activity of carbon-supported Pt-M (M = V, Ni, Cr, Co, and Fe) alloys prepared by nanocapsule method.

    Hiroshi Yano;Mikihiro Kataoka;Hisao Yamashita;Hiroyuki Uchida

  • Hydrogen electro-oxidation on platinum catalysts in the presence of trace carbon monoxide

    Hiroshi Igarashi;Takeshi Fujino;Masahiro Watanabe

  • Polymer Electrolyte Membranes Incorporated with Nanometer-Size Particles of Pt and/or Metal-Oxides: Experimental Analysis of the Self-Humidification and Suppression of Gas-Crossover in Fuel Cells

    Masahiro Watanabe;Hiroyuki Uchida;Masaomi Emori

  • Electrocatalysis by ad-atoms

    Unknown

  • Proton-conductive aromatic ionomers containing highly sulfonated blocks for high-temperature-operable fuel cells.

    Byungchan Bae;Takeshi Yoda;Kenji Miyatake;Hiroyuki Uchida

  • The influence of platinum crystallite size on the electroreduction of oxygen

    Unknown

Frequent Co-Authors

Hiroyuki Uchida
Hiroyuki Uchida University of Yamanashi
Kenji Miyatake
Kenji Miyatake University of Yamanashi
Makoto Uchida
Makoto Uchida University of Yamanashi
Donald A. Tryk
Donald A. Tryk University of Yamanashi
Hiroyuki Nishide
Hiroyuki Nishide Waseda University
Masahide Kimoto
Masahide Kimoto University of Tokyo
Tadayoshi Sakata
Tadayoshi Sakata Tokyo Institute of Technology
Masayoshi Ishii
Masayoshi Ishii Japan Meteorological Agency
Hideo Shiogama
Hideo Shiogama National Institute for Environmental Studies
Ulrich Stimming
Ulrich Stimming Technical University of Munich

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