World's Best Scientists 2026 revealed!
Toru H. Okabe

Toru H. Okabe

D-Index & Metrics

Materials Science

D-Index
51
Citations
9834
World Ranking
9871
National Ranking
595

Toru H. Okabe 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 Toru H. Okabe 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: 321 publications — 64th percentile

64% of scientists in this discipline score the same or lower.

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

Toru H. Okabe 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 Toru H. Okabe 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: 51 D-Index — 24th percentile

24% of scientists in this discipline score the same or lower.

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

Overview

Toru H. Okabe is affiliated with the University of Tokyo in Japan and specializes in research primarily within the fields of engineering and chemical engineering. Their scholarly output includes significant contributions to areas such as mechanical engineering, fluid flow and transfer processes, materials chemistry, biomedical engineering, and industrial and manufacturing engineering.

The scientist's research focuses predominantly on topics related to molten salt chemistry and electrochemical processes, extraction and separation processes, metallurgical processes and thermodynamics, recycling and waste management techniques, magnesium alloys, metal extraction and bioleaching, and bauxite residue utilization.

Frequent coauthors in their work include Takanari Ouchi, Gen Kamimura, Yu-ki Taninouchi, Tae-Hyuk Lee, and Jungshin Kang.

Publications are often found in specialized venues with metallurgy and materials science orientations. The most common publication venues for Okabe's work are:

  • Metallurgical and Materials Transactions B
  • MATERIALS TRANSACTIONS
  • Journal of Sustainable Metallurgy
  • Journal of the Japan Institute of Metals and Materials
  • Journal of MMIJ

Notable recent papers authored or coauthored by Okabe cover a range of topics relevant to metal extraction and recycling technologies. These include:

  • Recent Progress in Titanium Extraction and Recycling, 2020, Metallurgical and Materials Transactions B
  • Development of a novel electrolytic process for producing high-purity magnesium metal from magnesium oxide using a liquid tin cathode, 2021, Journal of Magnesium and Alloys
  • Development of a New Titanium Powder Sintering Process with Deoxidation Reaction Using Yttrium Metal, 2020, MATERIALS TRANSACTIONS
  • Molten Salt Electrolysis of Magnesium Oxide Using a Liquid-Metal Cathode for the Production of Magnesium Metal, 2020, Metallurgical and Materials Transactions B
  • Lanthanothermic Reduction of TiO2, 2020, Metallurgical and Materials Transactions B

Best Publications

  • Evaluation of Titanium Alloys Fabricated Using Rapid Prototyping Technologies—Electron Beam Melting and Laser Beam Melting

    Mari Koike;Preston Greer;Kelly Owen;Guo Lilly

  • Titanium powder production by preform reduction process (PRP)

    Toru H Okabe;Takashi Oda;Yoshitaka Mitsuda

  • Evaluation of titanium alloy fabricated using electron beam melting system for dental applications

    Mari Koike;Kelly Martinez;Lilly Guo;Gilbert Chahine

  • Electrochemical Deoxidation of Titanium.

    T. H. Okabe;M. Nakamura;T. Oishi;K. Ono

  • Thermodynamic Properties of Dilute Titanium-Oxygen Solid Solution in Beta Phase

    Toru H. Okabe;Ryosuke O. Suzuki;Toshio Oishi;Katsutoshi Ono

  • Preparation and characterization of extra-low-oxygen titanium

    T.H. Okabe;T. Oishi;K. Ono

  • Recovery of neodymium from a mixture of magnet scrap and other scrap

    Osamu Takeda;Toru H. Okabe;Yoshiaki Umetsu

  • Direct Extraction and Recovery of Neodymium Metal from Magnet Scrap

    Toru H. Okabe;Osamu Takeda;Kazuhiro Fukuda;Yoshiaki Umetsu

  • Effect of Pressure Difference on the Quality of Titanium Casting

    I. Watanabe;J.H. Watkins;H. Nakajima;M. Atsuta

  • Production of titanium powder directly from TiO2 in CaCl2 through an electronically mediated reaction (EMR)

    Il Park;Takashi Abiko;Toru H. Okabe

  • Recent Progress in Titanium Extraction and Recycling

    Osamu Takeda;Takanari Ouchi;Toru H. Okabe

  • Production of niobium powder by electronically mediated reaction (EMR) using calcium as a reductant

    Toru H. Okabe;I. l. Park;K. T. Jacob;Yoshio Waseda

  • Metallothermic reduction as an electronically mediated reaction

    Toru H. Okabe;Donald R. Sadoway

  • Electrochemical deoxidation of yttrium-oxygen solid solutions

    T.H. Okabe;T.N. Deura;T. Oishi;K. Ono

  • Phase equilibrium of the system Ag–Fe–Nd, and Nd extraction from magnet scraps using molten silver

    O. Takeda;T.H. Okabe;Y. Umetsu

  • Deoxidation of titanium aluminide by Ca-Al alloy under controlled aluminum activity

    T. H. Okabe;T. Oishi;K. Ono

  • The design and production of Ti-6Al-4V ELI customized dental implants

    Gilbert Chahine;Mari Koike;Toru Okabe;Pauline Smith

  • Current Status of Titanium Recycling and Related Technologies

    Osamu Takeda;Toru H. Okabe

  • Production of Extra Low Oxygen Titanium by Calcium-Halide Flux Deoxidation

    Toru H. Okabe;Ryosuke O.Suzuki;Toshio Oishi;Katsutoshi Ono

  • Development of a recycling process for tantalum from capacitor scraps

    Kunio Mineta;Toru H. Okabe

  • Electrochemical deoxidation of RE–O (RE=Gd, Tb, Dy, Er) solid solutions

    K. Hirota;T.H. Okabe;F. Saito;Y. Waseda

Frequent Co-Authors

Yoshio Waseda
Yoshio Waseda Tohoku University
Ryosuke O. Suzuki
Ryosuke O. Suzuki Kyoto University
Dihua Wang
Dihua Wang Wuhan University
George Chen
George Chen University of Southampton
Hongmin Zhu
Hongmin Zhu Tohoku University
John T. S. Irvine
John T. S. Irvine University of St Andrews
Paul A. Madden
Paul A. Madden University of Edinburgh
Fumio Saito
Fumio Saito Tohoku University
Wei Xiao
Wei Xiao Wuhan University

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