World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
63
Citations
12624
World Ranking
6266
National Ranking
316

Hiroaki Kumakura 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 Hiroaki Kumakura 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: 527 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

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

Hiroaki Kumakura 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 Hiroaki Kumakura 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: 63 D-Index — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

Overview

Hiroaki Kumakura is affiliated with the National Institute for Materials Science in Japan. Their research primarily spans the field of Environmental Science, with a focus on subfields including Global and Planetary Change, Atmospheric Science, Health, Toxicology and Mutagenesis, Environmental Engineering, and Electrical and Electronic Engineering.

Their recent scholarly contributions include work published in various academic venues, highlighting diverse aspects of atmospheric and environmental research. Notable papers include:

  • Evaluation of 30 urban land surface models in the Urban-PLUMBER project: Phase 1 results, 2023, Quarterly Journal of the Royal Meteorological Society
  • A model intercomparison of atmospheric 137Cs concentrations from the Fukushima Daiichi Nuclear Power Plant accident, phase III: Simulation with an identical source term and meteorological field at 1-km resolution, 2020, Atmospheric Environment X
  • O 2: CO 2 exchange ratio for net turbulent flux observed in an urban area of Tokyo, Japan, and its application to an evaluation of anthropogenic CO 2 emissions, 2020, Atmospheric chemistry and physics
  • Analyses of hierarchical structures in SBR rubber by using contrast-variation SANS: Effects of a silane coupling agent, 2024, Polymer
  • Sub-Daily Natural CO2 Flux Simulation Based on Satellite Data: Diurnal and Seasonal Pattern Comparisons to Anthropogenic CO2 Emissions in the Greater Tokyo Area, 2021, Remote Sensing

Kumakura has frequently collaborated with several researchers in their field, including:

  • Shigeyuki Ishidoya
  • Mathew Lipson
  • Sue Grimmond
  • Martin Best
  • Gab Abramowitz

Their work has been published across a range of journals, with frequent contributions to:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Atmospheric chemistry and physics
  • Journal of Veterinary Medical Science
  • Quarterly Journal of the Royal Meteorological Society
  • Atmospheric Environment X

Kumakura's research topics reflect interests in atmospheric chemistry and aerosols, atmospheric and environmental gas dynamics, climate variability and models, air quality and health impacts, plant water relations and carbon dynamics, and microbial infections and disease research. They have also contributed to studies related to urban heat island mitigation.

Best Publications

  • Superconducting properties of MgB2 bulk materials prepared by high-pressure sintering

    Y. Takano;H. Takeya;H. Fujii;H. Kumakura

  • Exploration of new superconductors and functional materials, and fabrication of superconducting tapes and wires of iron pnictides

    Hideo Hosono;Keiichi Tanabe;Eiji Takayama-Muromachi;Hiroshi Kageyama

  • Partial Melt Growth Process of Bi2Sr2Ca1Cu2Ox Textured Tapes on Silver

    Jun-ichiro Kase;Kazumasa Togano;Hiroaki Kumakura;Daniel R. Dietderich

  • Upper critical fields of powder-in-tube-processed MgB2/Fe tape conductors

    H. Kumakura;H. Kitaguchi;A. Matsumoto;H. Hatakeyama

  • MgB2 films with very high critical current densities due to strong grain boundary pinning

    Hitoshi Kitaguchi;Akiyoshi Matsumoto;Hiroaki Kumakura;Toshiya Doi

  • Effect of aromatic hydrocarbon addition on in situ powder-in-tube processed MgB2 tapes

    H Yamada;M Hirakawa;H Kumakura;H Kitaguchi

  • Preparation of the textured Bi-based oxide tapes by partial melting process

    J. Kase;T. Morimoto;K. Togano;H. Kumakura

  • Effect of SiO2 and SiC doping on the powder-in-tube processed MgB2 tapes

    A Matsumoto;H Kumakura;H Kitaguchi;H Hatakeyama

  • Microscopic role of carbon on MgB2 wire for critical current density comparable to NbTi

    Jung Ho Kim;Sangjun Oh;Yoon Uk Heo;Satoshi Hata

  • Evaluation of connectivity, flux pinning, and upper critical field contributions to the critical current density of bulk pure and SiC-alloyed MgB2

    A. Matsumoto;H. Kumakura;H. Kitaguchi;B. J. Senkowicz

  • Large Transport Critical Current Densities of Ag Sheathed (Ba,K)Fe2As2+Ag Superconducting Wires Fabricated by an ex-situ Powder-in-Tube (PIT) Process

    Kazumasa Togano;Akiyoshi Matsumoto;Hiroaki Kumakura

  • Control of nano carbon substitution for enhancing the critical current density in MgB2

    Wai Kong Yeoh;Jung Ho Kim;Josip Horvat;Xun Xu

  • Fabrication of the Iron-Based Superconducting Wire Using Fe(Se,Te)

    Yoshikazu Mizuguchi;Yoshikazu Mizuguchi;Keita Deguchi;Keita Deguchi;Shunsuke Tsuda;Takahide Yamaguchi

  • Critical current densities of powder-in-tube MgB2 tapes fabricated with nanometer-size Mg powder

    H. Yamada;M. Hirakawa;H. Kumakura;A. Matsumoto

  • Fabrication of high-performance MgB2 wires by an internal Mg diffusion process

    J M Hur;J M Hur;K Togano;A Matsumoto;H Kumakura

  • Large Transport Critical Current Densities of Ag Sheathed (Ba,K)Fe2As2+Ag Superconducting Wires Fabricated by an Ex-situ Powder-in-Tube Process

    Kazumasa Togano;Akiyoshi Matsumoto;Hiroaki Kumakura

  • Achievement of practical level critical current densities in Ba1−xKxFe2As2/Ag tapes by conventional cold mechanical deformation

    Zhaoshun Gao;Kazumasa Togano;Akiyoshi Matsumoto;Hiroaki Kumakura

  • Magnetic separation using superconducting magnets

    Takeshi Ohara;Hiroaki Kumakura;Hitoshi Wada

  • Approach for the fabrication of MgB2 superconducting tape with large in-field transport critical current density

    K. Komori;K. Kawagishi;Y. Takano;H. Fujii

  • Textured Thick Films of Bi2Sr2Ca1Cu2Ox

    Daniel R. Dietderich;Bernd Ullmann;Herbert C. Freyhardt;Junichiro Kase

  • Achievement of practical level critical current densities in PIT Ba1-xKxFe2As2/Ag tapes by conventional cold mechanical deformation

    Zhaoshun Gao;Kazumasa Togano;Akiyoshi Matsumoto;Hiroaki Kumakura

Frequent Co-Authors

Kazumasa Togano
Kazumasa Togano National Institute for Materials Science
Hitoshi Kitaguchi
Hitoshi Kitaguchi National Institute for Materials Science
Yoshihiko Takano
Yoshihiko Takano National Institute for Materials Science
Hiroshi Maeda
Hiroshi Maeda Kumamoto University
Jung Ho Kim
Jung Ho Kim University of Wollongong
Yoshikazu Mizuguchi
Yoshikazu Mizuguchi Tokyo Metropolitan University
Shi Xue Dou
Shi Xue Dou University of Wollongong
Satoshi Awaji
Satoshi Awaji Tohoku University
Jun-ichi Shimoyama
Jun-ichi Shimoyama Aoyama Gakuin University
Takeshi Morimoto
Takeshi Morimoto Kindai University

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