World's Best Scientists 2026 revealed!

D-Index & Metrics

Materials Science

D-Index
52
Citations
8937
World Ranking
9628
National Ranking
574

Toshiya Okazaki 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 Toshiya Okazaki 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: 243 publications — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Toshiya Okazaki 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 Toshiya Okazaki 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: 52 D-Index — 27th percentile

27% of scientists in this discipline score the same or lower.

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

Overview

Toshiya Okazaki is affiliated with the National Institute of Advanced Industrial Science and Technology in Japan. Their research primarily spans the fields of Materials Science and Engineering, with significant contributions focusing on Materials Chemistry and various engineering subfields.

Their work covers several subfields including Biomedical Engineering, Biomaterials, Polymers and Plastics, as well as Electrical and Electronic Engineering. The main topics they have explored include Carbon Nanotubes in Composites, Graphene research and applications, Advanced Cellulose Research Studies, and the use of Machine Learning in Materials Science. Additional focus areas include Graphene and Nanomaterials Applications, Conducting polymers and applications, and Thermal properties of materials.

Among recent papers authored or co-authored by Okazaki are:

  • Improved thermal stability of silicone rubber nanocomposites with low filler content, achieved by well-dispersed carbon nanotubes (2020, Composites Communications)
  • Vertically aligned growth of small-diameter single-walled carbon nanotubes by alcohol catalytic chemical vapor deposition with Ir catalyst (2020, Applied Surface Science)
  • New evaluation method for the curing degree of rubber and its nanocomposites using ATR-FTIR spectroscopy (2020, Polymer Testing)
  • Annealing-induced enhancement of electrical conductivity and electromagnetic interference shielding in injection-molded CNT polymer composites (2022, Polymer)
  • Dispersions of High-Quality Carbon Nanotubes with Narrow Aggregate Size Distributions by Viscous Liquid for Conducting Polymer Composites (2020, ACS Applied Nano Materials)

Okazaki frequently collaborates with other researchers, with notable co-authors including Kazufumi Kobashi, H. Nakajima, Yoko Iizumi, Shun Muroga, and Takahiro Morimoto. These collaborations reflect sustained teamwork in the development and characterization of advanced composite materials and nanotube technologies.

The scientist has published extensively in a variety of venues. The leading platforms for their research dissemination include ECS Meeting Abstracts, SSRN Electronic Journal, Carbon, ACS Applied Nano Materials, and The Journal of Physical Chemistry C.

Best Publications

  • One-dimensional metallofullerene crystal generated inside single-walled carbon nanotubes.

    K. Hirahara;K. Suenaga;S. Bandow;H. Kato

  • Selectivity of water-soluble proteins in single-walled carbon nanotube dispersions

    Koji Matsuura;Takeshi Saito;Toshiya Okazaki;Satoshi Ohshima

  • New Synthesis of High-Quality Double-Walled Carbon Nanotubes by High-Temperature Pulsed Arc Discharge

    Toshiki Sugai;Hiromichi Yoshida;Takashi Shimada;Toshiya Okazaki

  • Selective diameter control of single-walled carbon nanotubes in the gas-phase synthesis.

    Takeshi Saito;Satoshi Ohshima;Toshiya Okazaki;Shigekazu Ohmori

  • Mixed low-dimensional nanomaterial: 2D ultranarrow MoS2 inorganic nanoribbons encapsulated in quasi-1D carbon nanotubes.

    Zhiyong Wang;Hong Li;Zheng Liu;Zujin Shi

  • Electron diffraction study of one-dimensional crystals of fullerenes

    K. Hirahara;S. Bandow;K. Suenaga;H. Kato

  • Visualizing and identifying single atoms using electron energy-loss spectroscopy with low accelerating voltage.

    Kazu Suenaga;Yuta Sato;Zheng Liu;Hiromichi Kataura

  • CVD growth of single-walled carbon nanotubes with narrow diameter distribution over Fe/MgO catalyst and their fluorescence spectroscopy.

    Hiroki Ago;Shingo Imamura;Toshiya Okazaki;Takeshi Saito

  • Trapping a C2 radical in endohedral metallofullerenes: Synthesis and structures of (Y2C2)@C82 (isomers I, II, and III)

    Takashi Inoue;Tetsuo Tomiyama;Toshiki Sugai;Toshiya Okazaki

  • Selective synthesis of double-wall carbon nanotubes by CCVD of acetylene using zeolite supports

    Tatsuki Hiraoka;Tomoju Kawakubo;Junichi Kimura;Risa Taniguchi

  • Analysis of the reactivity and selectivity of fullerene dimerization reactions at the atomic level

    Masanori Koshino;Yoshiko Niimi;Eiichi Nakamura;Hiromichi Kataura

  • Ambipolar field-effect transistor behavior of Gd@C82 metallofullerene peapods

    T. Shimada;T. Okazaki;R. Taniguchi;T. Sugai

  • Selective extraction of large-diameter single-wall carbon nanotubes with specific chiral indices by poly(9,9-dioctylfluorene-alt-benzothiadiazole).

    Masayoshi Tange;Toshiya Okazaki;Sumio Iijima

  • Double-wall carbon nanotube field-effect transistors: Ambipolar transport characteristics

    Takashi Shimada;Toshiki Sugai;Yutaka Ohno;Shigeru Kishimoto

  • Smallest limit of tube diameters for encasing of particular fullerenes determined by radial breathing mode Raman scattering

    S Bandow;M Takizawa;H Kato;T Okazaki

  • Single molecular orientation switching of an endohedral metallofullerene.

    Unknown

  • Isolation and spectroscopic characterization of Sm-containing metallofullerenes

    Toshiya Okazaki;Yongfu Lian;Zhennan Gu;Kazutomo Suenaga

  • Coaxially Stacked Coronene Columns inside Single‐Walled Carbon Nanotubes

    Toshiya Okazaki;Toshiya Okazaki;Toshiya Okazaki;Yoko Iizumi;Yoko Iizumi;Shingo Okubo;Hiromichi Kataura

  • Length-dependent plasmon resonance in single-walled carbon nanotubes.

    Takahiro Morimoto;Soon-Kil Joung;Takeshi Saito;Don N Futaba

  • Single-molecule sensing electrode embedded in-plane nanopore

    Makusu Tsutsui;Sakon Rahong;Yoko Iizumi;Toshiya Okazaki

  • Real time reaction dynamics in carbon nanotubes.

    Toshiya Okazaki;Kazutomo Suenaga;Kaori Hirahara;Shunji Bandow

Frequent Co-Authors

Sumio Iijima
Sumio Iijima Meijo University
Hisanori Shinohara
Hisanori Shinohara Nagoya University
Masako Yudasaka
Masako Yudasaka National Institute of Advanced Industrial Science and Technology
Kazu Suenaga
Kazu Suenaga Osaka University
Takeo Yamada
Takeo Yamada National Institute of Advanced Industrial Science and Technology
Kenji Hata
Kenji Hata National Institute of Advanced Industrial Science and Technology
Hiromichi Kataura
Hiromichi Kataura National Institute of Advanced Industrial Science and Technology
Yuji Awano
Yuji Awano Keio University
Susumu Okada
Susumu Okada University of Tsukuba
Yutaka Maeda
Yutaka Maeda Tokyo Gakugei University

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