World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
55
Citations
9502
World Ranking
8684
National Ranking
502

Naoki Kobayashi 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 Naoki Kobayashi 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: 339 publications — 68th percentile

68% of scientists in this discipline score the same or lower.

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

Naoki Kobayashi 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 Naoki Kobayashi 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: 55 D-Index — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Overview

Naoki Kobayashi is affiliated with the University of Electro-Communications in Japan. Their research primarily focuses on the field of Medicine, with particular attention to Nephrology, Materials Chemistry, and Pulmonary and Respiratory Medicine as subfields of study.

The main topics addressed in Kobayashi's work include:

  • Gout, Hyperuricemia, Uric Acid
  • Crystallization and Solubility Studies
  • Kidney Stones and Urolithiasis Treatments

Kobayashi has contributed to scientific literature with recent publications, including:

  • "Controlling nucleation and crystal growth during reactive crystallization of monosodium urate monohydrate from simulated synovial fluid by N2 fine bubble injection," published in 2020 in the Journal of Crystal Growth
  • "Designing Courses for Interdisciplinary Inquiry-Based Learning from The Perspective of SDGs," published in 2024 in the Journal of JSEE

Frequent co-authors collaborating with Kobayashi include:

  • Masakazu Matsumoto
  • Yoshinari Wada
  • Ryo Otsu
  • Masaki Okada
  • Jun Mada

The primary venues for Kobayashi's publications are the Journal of Crystal Growth and the Journal of JSEE. This reflects a diverse interdisciplinary approach bridging medicine and educational methods related to sustainable development goals.

Best Publications

  • High-color-rendering light sources consisting of a 350-nm ultraviolet light-emitting diode and three-basal-color phosphors

    Toshio Nishida;Tomoyuki Ban;Naoki Kobayashi

  • Efficient and high-power AlGaN-based ultraviolet light-emitting diode grown on bulk GaN

    Toshio Nishida;Hisao Saito;Naoki Kobayashi

  • Intentional control of n-type conduction for Si-doped AlN and AlXGa1−XN(0.42⩽x<1)

    Yoshitaka Taniyasu;Makoto Kasu;Naoki Kobayashi

  • Minority carrier diffusion length in GaN: Dislocation density and doping concentration dependence

    K. Kumakura;K. Kumakura;K. Kumakura;T. Makimoto;T. Makimoto;T. Makimoto;N. Kobayashi;N. Kobayashi;T. Hashizume

  • Abrupt p‐type doping profile of carbon atomic layer doped GaAs grown by flow‐rate modulation epitaxy

    Naoki Kobayashi;Toshiki Makimoto;Yoshiji Horikoshi

  • GaN-free transparent ultraviolet light-emitting diodes

    Toshio Nishida;Naoki Kobayashi;Tomoyuki Ban

  • Mg-acceptor activation mechanism and transport characteristics in p-type InGaN grown by metalorganic vapor phase epitaxy

    Kazuhide Kumakura;Toshiki Makimoto;Naoki Kobayashi

  • High-temperature electron transport properties in AlGaN/GaN heterostructures

    Narihiko Maeda;Kotaro Tsubaki;Tadashi Saitoh;Naoki Kobayashi

  • Protonation-induced chromism of pyridylethynyl-appended [core+exo]-type Au8 clusters. Resonance-coupled electronic perturbation through π-conjugated group.

    Naoki Kobayashi;Yutaro Kamei;Yukatsu Shichibu;Katsuaki Konishi

  • PROCEDE DE DEPOT DE FILMS MINCES SEMI-CONDUCTEURS COMPOSES III-V OU II-VI SUR UN SUBSTRAT PAR DECOMPOSITION THERMIQUE

    Kobayashi Naoki;Makimoto Toshiki;Horikoschi Yoshiji

  • Optical Investigation on the Growth Process of GaAs during Migration-Enhanced Epitaxy

    Naoki Kobayashi;Yoshiji Horikoshi

  • Activation Energy and Electrical Activity of Mg in Mg-Doped InxGa1-xN (x<0.2)

    Kazuhide Kumakura;Toshiki Makimoto;Naoki Kobayashi

  • Thin film deposition method of nitride semiconductor and nitride semiconductor light emitting device

    Tetsuya Akasaka;Seigo Ando;Toshio Nishida;Naoki Kobayashi

  • Two-dimensional electron-gas density in AlXGa1−XN/GaN heterostructure field-effect transistors

    Narihiko Maeda;Toshio Nishida;Naoki Kobayashi;Masaaki Tomizawa

  • Flow-Rate Modulation Epitaxy of GaAs

    Naoki Kobayashi;Toshiki Makimoto;Yoshiji Horikoshi

  • Excitonic luminescence and absorption in dilute GaAs1−xNx alloy (x<0.3%)

    Toshiki Makimoto;Hisao Saito;Toshio Nishida;Naoki Kobayashi

  • Milliwatt operation of AlGaN-based single-quantum-well light emitting diode in the ultraviolet region

    Toshio Nishida;Hisao Saito;Naoki Kobayashi

  • MOVPE growth of strained InGaAsN/GaAs quantum wells

    Hisao Saito;Toshiki Makimoto;Naoki Kobayashi

  • Cavity Polaritons in InGaN Microcavities at Room Temperature

    T. Tawara;H. Gotoh;T. Akasaka;N. Kobayashi

  • Equilibrium multiatomic step structure of GaAs(001) vicinal surfaces grown by metalorganic chemical vapor deposition

    Makoto Kasu;Naoki Kobayashi

Frequent Co-Authors

Toshiki Makimoto
Toshiki Makimoto Waseda University
Yoshiji Horikoshi
Yoshiji Horikoshi Waseda University
Makoto Kasu
Makoto Kasu Saga University
Takashi Fukui
Takashi Fukui Hokkaido University
Qing Shen
Qing Shen University of Electro-Communications
Tamotsu Hashizume
Tamotsu Hashizume Hokkaido University
Hideki Hasegawa
Hideki Hasegawa Hokkaido University
Erhard Kohn
Erhard Kohn North Carolina State University
Yasuo Kokubun
Yasuo Kokubun Yokohama National University

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