World's Best Scientists 2026 revealed!
Keiji Tanaka

Keiji Tanaka

D-Index & Metrics

Materials Science

D-Index
68
Citations
17158
World Ranking
4835
National Ranking
228

Chemistry

D-Index
68
Citations
16770
World Ranking
6516
National Ranking
423

Keiji Tanaka 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 Keiji Tanaka 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: 595 publications — 92nd percentile

92% of scientists in this discipline score the same or lower.

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

Keiji Tanaka 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 Keiji Tanaka 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: 68 D-Index — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Overview

Keiji Tanaka is affiliated with Kyushu University in Japan and has contributed extensively to research in materials science and engineering. Their work primarily focuses on polymers and plastics, mechanical engineering, materials chemistry, organic chemistry, and surfaces, coatings, and films.

The research topics covered by Tanaka include:

  • Epoxy Resin Curing Processes
  • Material Dynamics and Properties
  • Advanced Polymer Synthesis and Characterization
  • Polymer Nanocomposites and Properties
  • Polymer crystallization and properties
  • Polymer Surface Interaction Studies
  • Force Microscopy Techniques and Applications

Tanaka has published in several prominent journals and publication venues. The most frequent venues for their publications are:

  • Polymer Journal
  • Macromolecules
  • Langmuir
  • Soft Matter
  • ACS Macro Letters

Some notable recent papers authored or co-authored by Keiji Tanaka include:

  • Network Formation and Physical Properties of Epoxy Resins for Future Practical Applications (2022, JACS Au)
  • Mobility gradients yield rubbery surfaces on top of polymer glasses (2021, Nature)
  • Effect of Treating Hyperphosphatemia With Lanthanum Carbonate vs Calcium Carbonate on Cardiovascular Events in Patients With Chronic Kidney Disease Undergoing Hemodialysis (2021, JAMA)
  • Cross-Linking Effect on Segmental Dynamics of Well-Defined Epoxy Resins (2021, Macromolecules)
  • Molecular Events for an Epoxy-Amine System at a Copper Interface (2020, ACS Applied Polymer Materials)

Tanaka has collaborated extensively with a range of researchers. Frequent co-authors include:

  • Satoru Yamamoto
  • Daisuke Kawaguchi
  • Atsuomi Shundo
  • Hisao Matsuno
  • Tatsuki Abe

Their publications emphasize the structure, dynamics, and synthesis of polymer materials, with a particular focus on epoxy resins and polymer surface phenomena. The combination of polymer chemistry and mechanical engineering in Tanaka's research supports investigations into both the microscopic properties and practical applications of polymeric materials.

Best Publications

  • Structural phase transitions in chalcogenide glasses

    Keiji Tanaka

  • Optical properties and photoinduced changes in amorphous AsS films

    Keiji Tanaka

  • Surface molecular motion of the monodisperse polystyrene films

    Tisato Kajiyama;Keiji Tanaka;Atsushi Takahara

  • Super-liquid-repellent surfaces prepared by colloidal silica nanoparticles covered with fluoroalkyl groups.

    Masaya Hikita;Keiji Tanaka;Tetsuya Nakamura;Tisato Kajiyama

  • Film Thickness Dependence of the Surface Structure of Immiscible Polystyrene/Poly(methyl methacrylate) Blends

    Keiji Tanaka;and Atsushi Takahara;Tisato Kajiyama

  • Systematic doping evolution of the underlying Fermi surface of La 2 − x Sr x Cu O 4

    T. Yoshida;T. Yoshida;X. J. Zhou;K. Tanaka;W. L. Yang

  • Optical Microfabrication of Chalcogenide Glasses

    H. Hisakuni;K. Tanaka

  • Giant photoexpansion in As2S3 glass

    Hisataka Hisakuni;Keiji Tanaka

  • Molecular weight dependence of surface dynamic viscoelastic properties for the monodisperse polystyrene film

    Keiji Tanaka;Aki Taura;Shou-Ren Ge;and Atsushi Takahara

  • Structural study of amorphous selenium by in situ EXAFS: Observation of photoinduced bond alternation

    Alexander V. Kolobov;Hiroyuki Oyanagi;Kazunobu Tanaka;Keiji Tanaka

  • Amorphous Chalcogenide Semiconductors and Related Materials

    Koichi Shimakawa;Keiji Tanaka

  • Rheological Analysis of Surface Relaxation Process of Monodisperse Polystyrene Films

    Keiji Tanaka;and Atsushi Takahara;Tisato Kajiyama

  • Ultrathinning-Induced Surface Phase Separation of Polystyrene/Poly(vinyl methyl ether) Blend Film

    Keiji Tanaka;Jeong Sik Yoon;Atsushi Takahara;Tisato Kajiyama

  • Imaging of Dynamic Viscoelastic Properties of a Phase-Separated Polymer Surface by Forced Oscillation Atomic Force Microscopy

    Tisato Kajiyama;Keiji Tanaka;Isao Ohki;Shou Ren Ge

  • Affinity of Polystyrene Films to Hydrogen-Passivated Silicon and Its Relevance to the Tg of the Films

    Yoshihisa Fujii;Zhaohui Yang;Jessica Leach;Hironori Atarashi

  • Depth Dependence of the Surface Glass Transition Temperature of a Poly(styrene-block-methyl methacrylate) Diblock Copolymer Film on the Basis of Temperature-Dependent X-ray Photoelectron Spectroscopy

    Tisato Kajiyama;Keiji Tanaka;Atsushi Takahara

  • Study of the glass transition temperature of polymer surface by coarse-grained molecular dynamics simulation

    Hiroshi Morita;Keiji Tanaka;Tisato Kajiyama;Toshio Nishi

  • Photoexpansion in As2S3 glass

    Keiji Tanaka

  • Effect of Polydispersity on Surface Molecular Motion of Polystyrene Films

    Keiji Tanaka;and Atsushi Takahara;Tisato Kajiyama

  • Glass transition of covalent glasses

    K. Tanaka

Frequent Co-Authors

Atsushi Takahara
Atsushi Takahara Kyushu University
Tisato Kajiyama
Tisato Kajiyama Kyushu University
Masaru Tanaka
Masaru Tanaka Kyushu University
Takayuki Watanabe
Takayuki Watanabe Kyushu University
Tatsumi Ishihara
Tatsumi Ishihara Kyushu University
Sadahito Aoshima
Sadahito Aoshima Osaka University
Osami Sakata
Osami Sakata Japan Synchrotron Radiation Research Institute
Madoka Tokumoto
Madoka Tokumoto National Institute of Advanced Industrial Science and Technology
Yushu Matsushita
Yushu Matsushita Nagoya University
Takeshi Serizawa
Takeshi Serizawa Tokyo Institute of Technology

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