World's Best Scientists 2026 revealed!
Osamu Takai

Osamu Takai

D-Index & Metrics

Materials Science

D-Index
59
Citations
12821
World Ranking
7363
National Ranking
399

Osamu Takai 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 Osamu Takai 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: 603 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.

Osamu Takai 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 Osamu Takai 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: 59 D-Index — 44th percentile

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

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

Overview

Osamu Takai is affiliated with Nagoya University in Japan and has contributed to research primarily in the fields of Engineering and Materials Science. Their work spans several subfields including Electrical and Electronic Engineering, Electronic, Optical and Magnetic Materials, Condensed Matter Physics, Mechanics of Materials, and Control and Systems Engineering.

The research topics frequently addressed by Osamu Takai include:

  • Physics of Superconductivity and Magnetism
  • Electrodeposition and Electroless Coatings
  • Supercapacitor Materials and Fabrication
  • Magnetic and transport properties of perovskites and related materials
  • Metal and Thin Film Mechanics
  • Advanced Machining and Optimization Techniques
  • Magnetic Bearings and Levitation Dynamics

Osamu Takai's recent publications highlight a focus on superconductivity, coating materials, and viscoelastic properties of polymers. These include:

  • "Estimation of the Electricity Storage Volume Density of Compact SMESs of a New Concept Based on Si Microfabrication Technologies," 2021, Magnetochemistry
  • "Features of Ni-W Plating Film Obtained by the Jet-Flow System," 2021, AppliedChem
  • "Estimation of Electricity Storage Density of Compact SMESs Composed of Si-wafer Stacks Loaded with Superconducting Thin Film Coils in Spiral Trenches under the Constraints of the Critical Magnetic Flux Density," 2020, Journal of Physics Conference Series
  • "Evaluation of Viscoelasticity of Polymer Material by Dynamic Nanoindentation," 2020, Journal of The Surface Finishing Society of Japan
  • "Relationship between Electroless NiP Deposited Film and Antibacterial Effect," 2021, Journal of The Surface Finishing Society of Japan

The main venues where Osamu Takai has published include:

  • Journal of The Surface Finishing Society of Japan
  • Magnetochemistry
  • AppliedChem
  • Journal of Physics Conference Series
  • Journal of Photopolymer Science and Technology

Frequent collaborators with Osamu Takai include:

  • Hideo Honma
  • Katsuhiko Tashiro
  • Yasushi Umeda
  • Tomoyoshi Motohiro
  • Minoru Sasaki

The scope of Osamu Takai's research, characterized by an interdisciplinary approach that combines engineering and materials science with specialized topics in superconductivity and coating technologies, suggests a significant focus on advanced materials and their physical and chemical properties.

Best Publications

  • Structural, electrical and optical properties of zinc nitride thin films prepared by reactive rf magnetron sputtering

    Masanobu Futsuhara;Katsuaki Yoshioka;Osamu Takai

  • Fluoroalkylsilane Monolayers Formed by Chemical Vapor Surface Modification on Hydroxylated Oxide Surfaces

    Atsushi Hozumi;Kazuya Ushiyama;Hiroyuki Sugimura;Osamu Takai

  • Corrosion resistance and chemical stability of super-hydrophobic film deposited on magnesium alloy AZ31 by microwave plasma-enhanced chemical vapor deposition

    Takahiro Ishizaki;Junko Hieda;Nagahiro Saito;Naobumi Saito

  • Micropatterning of Alkyl- and Fluoroalkylsilane Self-Assembled Monolayers Using Vacuum Ultraviolet Light

    Hiroyuki Sugimura;Kazuya Ushiyama;and Atsushi Hozumi;Osamu Takai

  • Optical properties of zinc oxynitride thin films

    Masanobu Futsuhara;Katsuaki Yoshioka;Osamu Takai

  • Correlation of cell adhesive behaviors on superhydrophobic, superhydrophilic, and micropatterned superhydrophobic/superhydrophilic surfaces to their surface chemistry.

    Takahiro Ishizaki;Nagahiro Saito;Osamu Takai

  • Organosilane self‐assembled monolayers formed at the vapour/solid interface

    Hiroyuki Sugimura;Atsushi Hozumi;Tetsuya Kameyama;Osamu Takai

  • Transparent ultra water-repellent poly(ethylene terephthalate) substrates fabricated by oxygen plasma treatment and subsequent hydrophobic coating

    Katsuya Teshima;Hiroyuki Sugimura;Yasushi Inoue;Osamu Takai

  • Solution plasma processing (SPP)

    Osamu Takai

  • Potential shielding by the surface water layer in Kelvin probe force microscopy

    Hiroyuki Sugimura;Yuzuru Ishida;Kazuyuki Hayashi;Osamu Takai

  • Synthesis process of gold nanoparticles in solution plasma

    Nagahiro Saito;Junko Hieda;Osamu Takai

  • Preparation of ultra water-repellent films by microwave plasma-enhanced CVD

    Unknown

  • Size-Controlled Gold Nanoparticles Synthesized in Solution Plasma

    Maria Antoaneta Bratescu;Sung-Pyo Cho;Osamu Takai;Nagahiro Saito

  • Exotic shapes of gold nanoparticles synthesized using plasma in aqueous solution

    Junko Hieda;Nagahiro Saito;Osamu Takai

  • Thin Films with Nanotextures for Transparent and Ultra Water‐Repellent Coatings Produced from Trimethylmethoxysilane by Microwave Plasma CVD

    Yunying Wu;Hiroyuki Sugimura;Yasushi Inoue;Osamu Takai

  • Amino-terminated self-assembled monolayer on a SiO2 surface formed by chemical vapor deposition

    Atsushi Hozumi;Yoshiyuki Yokogawa;Tetsuya Kameyama;Hiroyuki Sugimura

  • Ultra-Water-Repellent Poly(ethylene terephthalate) Substrates

    Katsuya Teshima;Hiroyuki Sugimura;Yasushi Inoue;Osamu Takai

  • Behavior of Various Organosilicon Molecules in PECVD Processes for Hydrocarbon-Doped Silicon Oxide Films

    Yong Sup Yun;Takanori Yoshida;Norifumi Shimazu;Yasushi Inoue

  • Photocalcination of Mesoporous Silica Films Using Vacuum Ultraviolet Light

    A. Hozumi;Y. Yokogawa;T. Kameyama;K. Hiraku

  • Shielded arc ion plating and structural characterization of amorphous carbon nitride thin films

    Yusuke Taki;Toshihisa Kitagawa;Osamu Takai

  • Spatially Defined Surface Modification of Poly(methyl methacrylate) Using 172 nm Vacuum Ultraviolet Light

    Atsushi Hozumi;Tomoko Masuda;Kazuyuki Hayashi;Hiroyuki Sugimura

Frequent Co-Authors

Nagahiro Saito
Nagahiro Saito Nagoya University
Hiroyuki Sugimura
Hiroyuki Sugimura Kyoto University
Atsushi Hozumi
Atsushi Hozumi National Institute of Advanced Industrial Science and Technology
Chiaki Terashima
Chiaki Terashima Tokyo University of Science
Mehmet Sarikaya
Mehmet Sarikaya University of Washington
Xiaodong Shen
Xiaodong Shen Nanjing Tech University
Yoshitake Masuda
Yoshitake Masuda National Institute of Advanced Industrial Science and Technology
Hiroaki Misawa
Hiroaki Misawa Hokkaido University
Hideomi Koinuma
Hideomi Koinuma Tokyo Institute of Technology
Akira Fujishima
Akira Fujishima University of Shanghai for Science and Technology

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