| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Materials Science | 58 | 7675 | 7418 | 423 | 408 | 190 | 12314 |
The chart shows the history of publications by Ikuo Ohnuma between 1994 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ikuo Ohnuma published across 32 years, from 1994 to 2025, averaging 6.4 papers a year. Output peaked at 15 publications in 2008. 3 of the 204 publications appeared in the last two years.
204 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1994 | 1 |
| 1995 | 0 |
| 1996 | 1 |
| 1997 | 4 |
| 1998 | 12 |
| 1999 | 6 |
| 2000 | 13 |
| 2001 | 11 |
| 2002 | 11 |
| 2003 | 9 |
| 2004 | 14 |
| 2005 | 10 |
| 2006 | 13 |
| 2007 | 10 |
| 2008 | 15 |
| 2009 | 11 |
| 2010 | 4 |
| 2011 | 6 |
| 2012 | 3 |
| 2013 | 4 |
| 2014 | 5 |
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
| Total | 204 |
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 Ikuo Ohnuma sits on this spectrum.
This scientist: 190 publications — 27th percentile
27% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 1,163 publications or more.
| Publications | Scientists | This scientist |
|---|---|---|
| 50–69 | 28 | |
| 70–89 | 152 | |
| 90–109 | 356 | |
| 110–129 | 487 | |
| 130–149 | 723 | |
| 150–169 | 835 | |
| 170–189 | 850 | |
| 190–209 | 891 | 190 |
| 210–229 | 862 | |
| 230–249 | 766 | |
| 250–269 | 726 | |
| 270–289 | 665 | |
| 290–309 | 593 | |
| 310–329 | 537 | |
| 330–349 | 477 | |
| 350–369 | 440 | |
| 370–389 | 356 | |
| 390–409 | 321 | |
| 410–429 | 256 | |
| 430–449 | 246 | |
| 450–469 | 216 | |
| 470–489 | 212 | |
| 490–509 | 174 | |
| 510–529 | 194 | |
| 530–549 | 162 | |
| 550–569 | 131 | |
| 570–589 | 111 | |
| 590–609 | 103 | |
| 610–629 | 99 | |
| 630–649 | 77 | |
| 650–669 | 92 | |
| 670–689 | 56 | |
| 690–709 | 53 | |
| 710–729 | 53 | |
| 730–749 | 38 | |
| 750–769 | 52 | |
| 770–789 | 43 | |
| 790–809 | 38 | |
| 810–829 | 34 | |
| 830–849 | 25 | |
| 850–869 | 18 | |
| 870–889 | 20 | |
| 890–909 | 24 | |
| 910–929 | 27 | |
| 930–949 | 20 | |
| 950–969 | 17 | |
| 970–989 | 10 | |
| 990–1,009 | 16 | |
| 1,010–1,029 | 13 | |
| 1,030–1,049 | 12 | |
| 1,050–1,069 | 9 | |
| 1,070–1,089 | 8 | |
| 1,090–1,109 | 7 | |
| 1,110–1,129 | 9 | |
| 1,130–1,149 | 2 | |
| 1,150–1,162 | 5 | |
| 1,163+ | 100 |
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 Ikuo Ohnuma sits on this spectrum.
This scientist: 58 D-Index — 41st percentile
41% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 165 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 40–41 | 211 | |
| 42–43 | 450 | |
| 44–45 | 612 | |
| 46–47 | 612 | |
| 48–49 | 598 | |
| 50–51 | 657 | |
| 52–53 | 667 | |
| 54–55 | 621 | |
| 56–57 | 597 | |
| 58–59 | 610 | 58 |
| 60–61 | 587 | |
| 62–63 | 606 | |
| 64–65 | 533 | |
| 66–67 | 490 | |
| 68–69 | 469 | |
| 70–71 | 378 | |
| 72–73 | 421 | |
| 74–75 | 359 | |
| 76–77 | 323 | |
| 78–79 | 299 | |
| 80–81 | 230 | |
| 82–83 | 210 | |
| 84–85 | 195 | |
| 86–87 | 203 | |
| 88–89 | 175 | |
| 90–91 | 175 | |
| 92–93 | 142 | |
| 94–95 | 121 | |
| 96–97 | 117 | |
| 98–99 | 107 | |
| 100–101 | 88 | |
| 102–103 | 85 | |
| 104–105 | 68 | |
| 106–107 | 62 | |
| 108–109 | 57 | |
| 110–111 | 45 | |
| 112–113 | 49 | |
| 114–115 | 50 | |
| 116–117 | 34 | |
| 118–119 | 38 | |
| 120–121 | 37 | |
| 122–123 | 29 | |
| 124–125 | 28 | |
| 126–127 | 24 | |
| 128–129 | 33 | |
| 130–131 | 28 | |
| 132–133 | 21 | |
| 134–135 | 20 | |
| 136–137 | 23 | |
| 138–139 | 17 | |
| 140–141 | 12 | |
| 142–143 | 17 | |
| 144–145 | 21 | |
| 146–147 | 13 | |
| 148–149 | 11 | |
| 150–151 | 14 | |
| 152–153 | 13 | |
| 154–155 | 9 | |
| 156–157 | 10 | |
| 158–159 | 7 | |
| 160–161 | 4 | |
| 162–163 | 4 | |
| 164 | 3 | |
| 165+ | 98 |
Ikuo Ohnuma is affiliated with the National Institute for Materials Science in Japan and focuses research primarily in the fields of Engineering and Materials Science. Their work spans several subfields, including Mechanical Engineering, Aerospace Engineering, Materials Chemistry, General Materials Science, and Mechanics of Materials.
The scientist's research topics concentrate largely on various aspects of alloy properties and metallurgical processes. Key topics covered in their publications include:
Ohnuma's recent papers illustrate a focus on phase stability, phase diagram determination, and microstructural behavior in various alloys. Notable recent publications include:
The publications of this researcher have appeared predominantly in:
Frequent collaborators in their research include Kwangsik Han, Ryosuke Kainuma, Taichi Abe, Eiji Abe, and M. Egami, reflecting a consistent pattern of cooperative work within their specialized fields.
J. Sato;T. Omori;K. Oikawa;Ikuo Ohnuma
T. Omori;K. Ando;M. Okano;X. Xu
C. P. Wang;X. J. Liu;Ikuo Ohnuma;R. Kainuma
R. Kainuma;Y. Fujita;H. Mitsui;I. Ohnuma
O Ikeda;R Kainuma;I Ohnuma;K Fukamichi
I Ohnuma;Y Fujita;H Mitsui;K Ishikawa
Kazuya Shinagawa;Toshihiro Omori;Jun Sato;Katsunari Oikawa
Toshihiro Omori;Tomoe Kusama;Shingo Kawata;Ikuo Ohnuma
Ikuo Ohnuma;Hirotoshi Enoki;Osamu Ikeda;Ryosuke Kainuma
Bo Sundman;Ikuo Ohnuma;Nathalie Dupin;Ursula R. Kattner
Yuji Sutou;Naohide Kamiya;Reiko Umino;Ikuo Ohnuma
Toshihiro Omori;Katsunari Oikawa;Jun Sato;Ikuo Ohnuma
R Kainuma;N Satoh;X.J Liu;I Ohnuma
O. Ikeda;I. Ohnuma;R. Kainuma;K. Ishida
X.J Liu;I Ohnuma;R Kainuma;K Ishida
I. Ohnuma;M. Miyashita;K. Anzai;X. J. Liu
T. Shimizu;H. Ishikawa;I. Ohnuma;K. Ishida
J. Koike;Y. Shimoyama;I. Ohnuma;T. Okamura
Taiji Nishizawa;Ikuo Ohnuma;Kiyohito Ishida
C. P. Wang;X. J. Liu;R. Kainuma;Y. Takaku
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