| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Engineering and Technology | 49 | 4274 | 4108 | 65 | 62 | 293 | 10262 |
The chart shows the history of publications by Koji Matsubara between 1970 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Koji Matsubara published across 56 years, from 1970 to 2025, averaging 5.8 papers a year. Output peaked at 27 publications in 2018. 4 of the 323 publications appeared in the last two years.
323 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1970 | 1 |
| 1971 | 0 |
| 1972 | 0 |
| 1973 | 0 |
| 1974 | 0 |
| 1975 | 0 |
| 1976 | 0 |
| 1977 | 0 |
| 1978 | 0 |
| 1979 | 0 |
| 1980 | 0 |
| 1981 | 0 |
| 1982 | 0 |
| 1983 | 0 |
| 1984 | 0 |
| 1985 | 2 |
| 1986 | 0 |
| 1987 | 0 |
| 1988 | 3 |
| 1989 | 0 |
| 1990 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1994 | 0 |
| 1995 | 0 |
| 1996 | 1 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 4 |
| 2000 | 5 |
| 2001 | 8 |
| 2002 | 12 |
| 2003 | 13 |
| 2004 | 12 |
| 2005 | 15 |
| 2006 | 13 |
| 2007 | 10 |
| 2008 | 7 |
| 2009 | 10 |
| 2010 | 7 |
| 2011 | 17 |
| 2012 | 21 |
| 2013 | 25 |
| 2014 | 19 |
| 2015 | 22 |
| 2016 | 13 |
| 2017 | 24 |
| 2018 | 27 |
| 2019 | 13 |
| 2020 | 5 |
| 2021 | 0 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 3 |
| Total | 323 |
The chart shows the distribution of publications by all Research.com ranked scientists in the field of Engineering and Technology in 2026. The highlighted bar marks where Koji Matsubara sits on this spectrum.
This scientist: 293 publications — 75th percentile
75% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 804 publications or more.
| Publications | Scientists | This scientist |
|---|---|---|
| 38–47 | 20 | |
| 48–57 | 35 | |
| 58–67 | 96 | |
| 68–77 | 135 | |
| 78–87 | 190 | |
| 88–97 | 259 | |
| 98–107 | 283 | |
| 108–117 | 369 | |
| 118–127 | 341 | |
| 128–137 | 386 | |
| 138–147 | 372 | |
| 148–157 | 457 | |
| 158–167 | 415 | |
| 168–177 | 407 | |
| 178–187 | 421 | |
| 188–197 | 378 | |
| 198–207 | 403 | |
| 208–217 | 317 | |
| 218–227 | 346 | |
| 228–237 | 321 | |
| 238–247 | 260 | |
| 248–257 | 280 | |
| 258–267 | 240 | |
| 268–277 | 214 | |
| 278–287 | 242 | |
| 288–297 | 203 | 293 |
| 298–307 | 166 | |
| 308–317 | 154 | |
| 318–327 | 175 | |
| 328–337 | 159 | |
| 338–347 | 99 | |
| 348–357 | 131 | |
| 358–367 | 106 | |
| 368–377 | 118 | |
| 378–387 | 97 | |
| 388–397 | 108 | |
| 398–407 | 82 | |
| 408–417 | 71 | |
| 418–427 | 64 | |
| 428–437 | 55 | |
| 438–447 | 54 | |
| 448–457 | 60 | |
| 458–467 | 47 | |
| 468–477 | 40 | |
| 478–487 | 30 | |
| 488–497 | 29 | |
| 498–507 | 38 | |
| 508–517 | 40 | |
| 518–527 | 32 | |
| 528–537 | 23 | |
| 538–547 | 28 | |
| 548–557 | 23 | |
| 558–567 | 19 | |
| 568–577 | 16 | |
| 578–587 | 17 | |
| 588–597 | 18 | |
| 598–607 | 22 | |
| 608–617 | 15 | |
| 618–627 | 9 | |
| 628–637 | 11 | |
| 638–647 | 21 | |
| 648–657 | 12 | |
| 658–667 | 9 | |
| 668–677 | 11 | |
| 678–687 | 9 | |
| 688–697 | 6 | |
| 698–707 | 14 | |
| 708–717 | 7 | |
| 718–727 | 8 | |
| 728–737 | 10 | |
| 738–747 | 9 | |
| 748–757 | 5 | |
| 758–767 | 5 | |
| 768–777 | 11 | |
| 778–787 | 7 | |
| 788–797 | 2 | |
| 798–803 | 4 | |
| 804+ | 100 |
The chart shows the D-index (discipline H-index) distribution of Engineering and Technology scientists ranked by Research.com in 2026. The highlighted bar marks where Koji Matsubara sits on this spectrum.
This scientist: 49 D-Index — 57th percentile
57% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 107 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 30 | 59 | |
| 31 | 114 | |
| 32 | 129 | |
| 33 | 189 | |
| 34 | 200 | |
| 35 | 262 | |
| 36 | 311 | |
| 37 | 312 | |
| 38 | 350 | |
| 39 | 385 | |
| 40 | 348 | |
| 41 | 362 | |
| 42 | 426 | |
| 43 | 380 | |
| 44 | 310 | |
| 45 | 341 | |
| 46 | 301 | |
| 47 | 306 | |
| 48 | 271 | |
| 49 | 246 | 49 |
| 50 | 210 | |
| 51 | 253 | |
| 52 | 213 | |
| 53 | 221 | |
| 54 | 195 | |
| 55 | 186 | |
| 56 | 170 | |
| 57 | 167 | |
| 58 | 166 | |
| 59 | 144 | |
| 60 | 152 | |
| 61 | 141 | |
| 62 | 138 | |
| 63 | 131 | |
| 64 | 118 | |
| 65 | 114 | |
| 66 | 119 | |
| 67 | 95 | |
| 68 | 87 | |
| 69 | 77 | |
| 70 | 89 | |
| 71 | 69 | |
| 72 | 54 | |
| 73 | 46 | |
| 74 | 55 | |
| 75 | 54 | |
| 76 | 49 | |
| 77 | 53 | |
| 78 | 46 | |
| 79 | 28 | |
| 80 | 39 | |
| 81 | 36 | |
| 82 | 24 | |
| 83 | 26 | |
| 84 | 36 | |
| 85 | 18 | |
| 86 | 25 | |
| 87 | 19 | |
| 88 | 26 | |
| 89 | 27 | |
| 90 | 23 | |
| 91 | 15 | |
| 92 | 12 | |
| 93 | 9 | |
| 94 | 15 | |
| 95 | 10 | |
| 96 | 13 | |
| 97 | 13 | |
| 98 | 9 | |
| 99 | 7 | |
| 100 | 7 | |
| 101 | 8 | |
| 102 | 7 | |
| 103 | 7 | |
| 104 | 9 | |
| 105 | 6 | |
| 106 | 9 | |
| 107+ | 99 |
Shigeru Niki;Miguel Contreras;Ingrid Repins;Michael Powalla
Koji Matsubara;Satoshi Kawata;Shigeo Minami
Nancy M. Haegel;Harry Atwater;Teresa Barnes;Christian Breyer
Nancy M. Haegel;Robert Margolis;Tonio Buonassisi;David Feldman
K. Matsubara;P. Fons;K. Iwata;A. Yamada
P. Fons;K. Iwata;A. Yamada;K. Matsubara
P Fons;K Iwata;S Niki;A Yamada
Unknown
Dan Arvizu;Palani Balaya;Luisa F. Cabeza;K.G. Terry Hollands
K. Matsubara;H. Tampo;H. Shibata;A. Yamada
S. Ishizuka;K. Sakurai;A. Yamada;K. Matsubara
H. Tampo;H. Shibata;K. Matsubara;A. Yamada
H. Tampo;H. Shibata;K. Maejima;A. Yamada
Koji Matsubara;Satoshi Kawata;Shigeo Minami
Hitoshi Sai;Takuya Matsui;Takashi Koida;Koji Matsubara
K. Matsubara;S. Kawata;S. Minami
Ken Nakahara;Tetsuhiro Tanabe;Hidemi Takasu;Paul Fons
Shinho Kim;Kang Min Kim;Hitoshi Tampo;Hajime Shibata
Ken Nakahara;Kentaro Tamura;Mitsuhiko Sakai;Daisuke Nakagawa
Ivan Turkevych;Koji Matsubara;Michio Kondo
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