World's Best Scientists 2026 revealed!
Mitsutaka Okumura

Mitsutaka Okumura

D-Index & Metrics

Chemistry

D-Index
61
Citations
13530
World Ranking
9222
National Ranking
655

Mitsutaka Okumura publication distribution in Chemistry in 2026

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

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 371 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Mitsutaka Okumura D-index placement in Chemistry in 2026

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

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 61 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 2005 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Mitsutaka Okumura is affiliated with Osaka University in Japan. Their primary research focus lies within the field of Materials Science, with significant contributions to subfields such as Materials Chemistry, Atomic and Molecular Physics and Optics, Catalysis, Electrical and Electronic Engineering, and Mechanical Engineering.

Their research spans several main topics, including:

  • Catalytic Processes in Materials Science
  • Catalysis and Oxidation Reactions
  • Advanced Chemical Physics Studies
  • Catalysis and Hydrodesulfurization Studies
  • Magnetism in coordination complexes
  • Nanomaterials for catalytic reactions
  • Molecular Junctions and Nanostructures

Okumura has published work in numerous scientific journals, with frequent appearances in:

  • Chemistry Letters
  • Chemical Physics Letters
  • Applied Catalysis B: Environmental
  • Journal of Catalysis
  • Physical Chemistry Chemical Physics

Among the recent papers attributed to Okumura's collaborations and research are:

  • Pt/CeO2 with residual chloride as reusable soft Lewis acid catalysts: Application to highly efficient isomerization of allylic esters (2021, Applied Catalysis B: Environmental)
  • Theoretical Study on Redox Potential Control of Iron-Sulfur Cluster by Hydrogen Bonds: A Possibility of Redox Potential Programming (2021, Molecules)
  • Estimation of spin contamination errors in DFT/plane-wave calculations of solid materials using approximate spin projection scheme (2020, Chemical Physics Letters)
  • Partial oxidation of propylene with H2 and O2 over Au supported on ZrO2 with different structural and surface properties (2021, Journal of Catalysis)
  • Excellent Catalytic Activity of a Pd-Promoted MnOx Catalyst for Purifying Automotive Exhaust Gases (2020, ChemCatChem)

Frequent co-authors associated with Okumura include:

  • Takashi Kawakami
  • Shusuke Yamanaka
  • Kohei Tada
  • Tamao Ishida
  • Kizashi Yamaguchi

Okumura was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 2005.

Best Publications

  • Vital Role of Moisture in the Catalytic Activity of Supported Gold Nanoparticles

    Masakazu Daté;Mitsutaka Okumura;Susumu Tsubota;Masatake Haruta

  • Catalytically highly active top gold atom on palladium nanocluster

    Haijun Zhang;Tatsuya Watanabe;Mitsutaka Okumura;Masatake Haruta

  • Chemical vapor deposition of gold on Al2O3, SiO2, and TiO2 for the oxidation of CO and of H2

    Mitsutaka Okumura;Shyunichi Nakamura;Susumu Tsubota;Toshiko Nakamura

  • Hydrogen dissociation by gold clusters.

    Tadahiro Fujitani;Isao Nakamura;Tomoki Akita;Mitsutaka Okumura

  • A general algorithm for calculation of Heisenberg exchange integrals J in multispin systems

    M. Shoji;K. Koizumi;Y. Kitagawa;T. Kawakami

  • Heterogeneous Catalysis by Gold

    Takashi Takei;Tomoki Akita;Isao Nakamura;Tadahiro Fujitani

  • Hydrogenation of 1,3-butadiene and of crotonaldehyde over highly dispersed Au catalysts

    Mitsutaka Okumura;Tomoki Akita;Masatake Haruta

  • The influence of the support on the activity and selectivity of Pd in CO hydrogenation

    Wen-Jie Shen;Mitsutaka Okumura;Yasuyuki Matsumura;Masatake Haruta

  • Preparation of supported gold catalysts by gas-phase grafting of gold acethylacetonate for low-temperature oxidation of CO and of H2

    Mitsutaka Okumura;Susumu Tsubota;Masatake Haruta

  • EHF theory of chemical reactions Part 4. UNO CASSCF, UNO CASPT2 and R(U)HF coupled-cluster (CC) wavefunctions

    S. Yamanaka;M. Okumura;M. Nakano;K. Yamaguchi

  • Chemical Vapor Deposition of Gold Nanoparticles on MCM-41 and Their Catalytic Activities for the Low-temperature Oxidation of CO and of H2

    Mitsutaka Okumura;Susumu Tsubota;Masakazu Iwamoto;Masatake Haruta

  • The reactivities of dimethylgold(III)β-diketone on the surface of TiO2 : A novel preparation method for Au catalysts

    Mitsutaka Okumura;Koji Tanaka;Atsushi Ueda;Masatake Haruta

  • Effect of physical mixing of CsCl with Au/Ti-MCM-41 on the gas-phase epoxidation of propene using H2 and O2:: Drastic depression of H2 consumption

    B.S Uphade;M Okumura;S Tsubota;M Haruta

  • DFT studies of interaction between O 2 and Au clusters. The role of anionic surface Au atoms on Au clusters for catalyzed oxygenation

    Mitsutaka Okumura;Yasutaka Kitagawa;Masatake Haruta;Kizashi Yamaguchi

  • EPR Study of CO and O2 Interaction with Supported Au Catalysts

    Mitsutaka Okumura;Juan M. Coronado;Javier Soria;Masatake Haruta

  • Approximately spin-projected geometry optimization method and its application to di-chromium systems

    Yasutaka Kitagawa;Toru Saito;Masahide Ito;Mitsuo Shoji

  • Three-Dimensional Mesoporous Titanosilicates Prepared by Modified Sol−Gel Method: Ideal Gold Catalyst Supports for Enhanced Propene Epoxidation

    Sinha Ak;Seelan S;Okumura M;Akita T

  • Epoxidation of propylene over gold catalysts supported on non-porous silica

    Caixia Qi;T Akita;M Okumura;M Haruta

  • Direct Production of Hydrogen Peroxide from H2 and O2 over Highly Dispersed Au catalysts

    Mitsutaka Okumura;Yasutaka Kitagawa;Kizashi Yamagcuhi;Tomoki Akita

  • Mechanistic insights in charge-transfer-induced luminescence of 1,2-dioxetanones with a substituent of low oxidation potential.

    Hiroshi Isobe;Yu Takano;Mitsutaka Okumura;Seiki Kuramitsu

  • The interaction of neutral and charged Au clusters with O2, CO and H2

    Mitsutaka Okumura;Yasutaka Kitagawa;Masatake Haruta;Kizashi Yamaguchi

Frequent Co-Authors

Kizashi Yamaguchi
Kizashi Yamaguchi Osaka University
Masatake Haruta
Masatake Haruta Tokyo Metropolitan University
Tomoki Akita
Tomoki Akita National Institute of Advanced Industrial Science and Technology
Susumu Tsubota
Susumu Tsubota National Institute of Advanced Industrial Science and Technology
Haruki Nakamura
Haruki Nakamura Osaka University
Kazuya Yamaguchi
Kazuya Yamaguchi University of Tokyo
Masayoshi Nakano
Masayoshi Nakano Osaka University
Makoto Tokunaga
Makoto Tokunaga Kyushu University
Naoki Toshima
Naoki Toshima Tokyo University of Science
Yasuyuki Matsumura
Yasuyuki Matsumura National Institute of Advanced Industrial Science and Technology

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