| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Materials Science | 59 | 7363 | 7119 | 399 | 386 | 603 | 12821 |
The chart shows the history of publications by Osamu Takai between 1972 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Osamu Takai published across 54 years, from 1972 to 2025, averaging 11.5 papers a year. Output peaked at 47 publications in 2007. 2 of the 620 publications appeared in the last two years.
620 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1972 | 1 |
| 1973 | 8 |
| 1974 | 2 |
| 1975 | 3 |
| 1976 | 0 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 0 |
| 1980 | 1 |
| 1981 | 1 |
| 1982 | 0 |
| 1983 | 0 |
| 1984 | 0 |
| 1985 | 0 |
| 1986 | 0 |
| 1987 | 2 |
| 1988 | 0 |
| 1989 | 2 |
| 1990 | 0 |
| 1991 | 0 |
| 1992 | 2 |
| 1993 | 0 |
| 1994 | 0 |
| 1995 | 1 |
| 1996 | 17 |
| 1997 | 13 |
| 1998 | 29 |
| 1999 | 19 |
| 2000 | 10 |
| 2001 | 34 |
| 2002 | 37 |
| 2003 | 36 |
| 2004 | 28 |
| 2005 | 41 |
| 2006 | 25 |
| 2007 | 47 |
| 2008 | 39 |
| 2009 | 27 |
| 2010 | 33 |
| 2011 | 20 |
| 2012 | 13 |
| 2013 | 26 |
| 2014 | 13 |
| 2015 | 8 |
| 2016 | 20 |
| 2017 | 18 |
| 2018 | 9 |
| 2019 | 18 |
| 2020 | 3 |
| 2021 | 6 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| Total | 620 |
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.
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.
| 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 | |
| 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 | 603 |
| 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 Osamu Takai sits on this spectrum.
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.
| 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 | 59 |
| 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 |
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:
Osamu Takai's recent publications highlight a focus on superconductivity, coating materials, and viscoelastic properties of polymers. These include:
The main venues where Osamu Takai has published include:
Frequent collaborators with Osamu Takai include:
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.
Masanobu Futsuhara;Katsuaki Yoshioka;Osamu Takai
Atsushi Hozumi;Kazuya Ushiyama;Hiroyuki Sugimura;Osamu Takai
Takahiro Ishizaki;Junko Hieda;Nagahiro Saito;Naobumi Saito
Hiroyuki Sugimura;Kazuya Ushiyama;and Atsushi Hozumi;Osamu Takai
Masanobu Futsuhara;Katsuaki Yoshioka;Osamu Takai
Takahiro Ishizaki;Nagahiro Saito;Osamu Takai
Hiroyuki Sugimura;Atsushi Hozumi;Tetsuya Kameyama;Osamu Takai
Katsuya Teshima;Hiroyuki Sugimura;Yasushi Inoue;Osamu Takai
Osamu Takai
Hiroyuki Sugimura;Yuzuru Ishida;Kazuyuki Hayashi;Osamu Takai
Nagahiro Saito;Junko Hieda;Osamu Takai
Unknown
Maria Antoaneta Bratescu;Sung-Pyo Cho;Osamu Takai;Nagahiro Saito
Junko Hieda;Nagahiro Saito;Osamu Takai
Yunying Wu;Hiroyuki Sugimura;Yasushi Inoue;Osamu Takai
Atsushi Hozumi;Yoshiyuki Yokogawa;Tetsuya Kameyama;Hiroyuki Sugimura
Katsuya Teshima;Hiroyuki Sugimura;Yasushi Inoue;Osamu Takai
Yong Sup Yun;Takanori Yoshida;Norifumi Shimazu;Yasushi Inoue
A. Hozumi;Y. Yokogawa;T. Kameyama;K. Hiraku
Yusuke Taki;Toshihisa Kitagawa;Osamu Takai
Atsushi Hozumi;Tomoko Masuda;Kazuyuki Hayashi;Hiroyuki Sugimura
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