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Mitsutaka Okumura

Mitsutaka Okumura

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 61 9222 8358 655 606 371 13530

Mitsutaka Okumura publications per year

The chart shows the history of publications by Mitsutaka Okumura between 1990 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Mitsutaka Okumura published across 37 years, from 1990 to 2026, averaging 11.2 papers a year. Output peaked at 28 publications in 2009. 11 of the 414 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1990 to 2026. Vertical axis: number of publications, 0 to 28. Peak 28 publications in 2009. 1990: 1 publication 1991: 2 publications 1992: 3 publications 1993: 7 publications 1994: 6 publications 1995: 2 publications 1996: 4 publications 1997: 2 publications 1998: 3 publications 1999: 3 publications 2000: 9 publications 2001: 9 publications 2002: 8 publications 2003: 8 publications 2004: 10 publications 2005: 22 publications 2006: 7 publications 2007: 18 publications 2008: 14 publications 2009: 28 publications 2010: 17 publications 2011: 23 publications 2012: 26 publications 2013: 28 publications 2014: 18 publications 2015: 19 publications 2016: 14 publications 2017: 22 publications 2018: 17 publications 2019: 17 publications 2020: 10 publications 2021: 11 publications 2022: 3 publications 2023: 6 publications 2024: 6 publications 2025: 10 publications 2026: 1 publication
1990 2026

414 publications in total across all disciplines

View publications per year as a table
Mitsutaka Okumura: publications per year, 1990 to 2026
Year Publications
1990 1
1991 2
1992 3
1993 7
1994 6
1995 2
1996 4
1997 2
1998 3
1999 3
2000 9
2001 9
2002 8
2003 8
2004 10
2005 22
2006 7
2007 18
2008 14
2009 28
2010 17
2011 23
2012 26
2013 28
2014 18
2015 19
2016 14
2017 22
2018 17
2019 17
2020 10
2021 11
2022 3
2023 6
2024 6
2025 10
2026 1
Total 414
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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.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 361–380 publications, is where this scientist sits. 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
61–80 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.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522 371
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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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.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 60–61 D-Index, is where this scientist sits. 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
40–41 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.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882 61
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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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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