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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Chemistry 76 4351 1375 239 15500

Tomoko Ohnishi publications per year

The chart shows the history of publications by Tomoko Ohnishi between 1960 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tomoko Ohnishi published across 66 years, from 1960 to 2025, averaging 3.9 papers a year. Output peaked at 14 publications in 1994. 1 of the 258 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1960 to 2025. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 1994. 1960: 1 publication 1961: 1 publication 1962: 1 publication 1963: 2 publications 1964: 2 publications 1965: 0 publications 1966: 4 publications 1967: 1 publication 1968: 0 publications 1969: 1 publication 1970: 2 publications 1971: 1 publication 1972: 5 publications 1973: 4 publications 1974: 3 publications 1975: 4 publications 1976: 10 publications 1977: 6 publications 1978: 6 publications 1979: 4 publications 1980: 10 publications 1981: 5 publications 1982: 7 publications 1983: 3 publications 1984: 2 publications 1985: 5 publications 1986: 3 publications 1987: 10 publications 1988: 5 publications 1989: 8 publications 1990: 1 publication 1991: 4 publications 1992: 11 publications 1993: 7 publications 1994: 14 publications 1995: 10 publications 1996: 6 publications 1997: 3 publications 1998: 4 publications 1999: 5 publications 2000: 4 publications 2001: 4 publications 2002: 3 publications 2003: 3 publications 2004: 0 publications 2005: 10 publications 2006: 3 publications 2007: 1 publication 2008: 5 publications 2009: 3 publications 2010: 10 publications 2011: 3 publications 2012: 10 publications 2013: 3 publications 2014: 5 publications 2015: 0 publications 2016: 2 publications 2017: 0 publications 2018: 1 publication 2019: 2 publications 2020: 1 publication 2021: 1 publication 2022: 1 publication 2023: 1 publication 2024: 0 publications 2025: 1 publication
1960 2025

258 publications in total across all disciplines

View publications per year as a table
Tomoko Ohnishi: publications per year, 1960 to 2025
Year Publications
1960 1
1961 1
1962 1
1963 2
1964 2
1965 0
1966 4
1967 1
1968 0
1969 1
1970 2
1971 1
1972 5
1973 4
1974 3
1975 4
1976 10
1977 6
1978 6
1979 4
1980 10
1981 5
1982 7
1983 3
1984 2
1985 5
1986 3
1987 10
1988 5
1989 8
1990 1
1991 4
1992 11
1993 7
1994 14
1995 10
1996 6
1997 3
1998 4
1999 5
2000 4
2001 4
2002 3
2003 3
2004 0
2005 10
2006 3
2007 1
2008 5
2009 3
2010 10
2011 3
2012 10
2013 3
2014 5
2015 0
2016 2
2017 0
2018 1
2019 2
2020 1
2021 1
2022 1
2023 1
2024 0
2025 1
Total 258
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Tomoko Ohnishi publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Tomoko Ohnishi sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 221–240 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 239 publications — 46th percentile

46% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216 239
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Tomoko Ohnishi D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Tomoko Ohnishi sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 76–77 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 76 D-Index — 77th percentile

77% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437 76
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

Tomoko Ohnishi was affiliated with the University of Pennsylvania in the United States. Their research career focused primarily on medicine, with significant contributions to subfields including biomedical engineering, hematology, surgery, internal medicine, and molecular biology.

Their research addressed several main topics related to platelet disorders, treatments, and cardiovascular disease management. Key thematic areas included platelet disorders and treatments, heparin-induced thrombocytopenia and thrombosis, venous thromboembolism diagnosis and management, applications of graphene and nanomaterials, advanced biosensing and bioanalysis techniques, and antiplatelet therapy in cardiovascular diseases.

Ohnishi's recent academic output featured these publications:

  • A modified microchip-based flow chamber system for evaluating thrombogenicity in patients with thrombocytopenia, 2020, Thrombosis Journal
  • Assemblies of bi-functional peptides on pyrolytic graphite for cell adhesion, 2021, Biochemical Engineering Journal
  • Differential inhibition of platelet function by cilostazol in combination with clopidogrel, 2023, European Journal of Clinical Pharmacology
  • Shape-Encoded Hydrogel Sensor Particles Enable Multiplex Odorant Detection Through Deep-learning Classification, 2025, Small

The venues where Ohnishi published were diverse yet focused within medical and biochemical engineering fields. Frequent publication venues included:

  • Thrombosis Journal
  • Biochemical Engineering Journal
  • European Journal of Clinical Pharmacology
  • Small

Throughout their career, Ohnishi collaborated with a number of co-authors repeatedly, indicating active research partnerships. Frequent collaborators included:

  • Kazuya Hosokawa
  • Bengo Atari
  • Takashi Ito
  • Tomoka Nagasato
  • Tomotsugu Yasuda

Best Publications

  • Iron-sulfur clusters/semiquinones in complex I.

    Tomoko Ohnishi

  • Isolation and Characterization of the Proton-translocating NADH:ubiquinone Oxidoreductase from Escherichia coli

    Hans Leif;Vladimir D. Sled;Vladimir D. Sled;Tomoko Ohnishi;Hanns Weiss

  • Preparation and Some Properties of Yeast Mitochondria

    Tomoko Ohnishi;Kumiko Kawaguchi;Bunji Hagihara

  • NADH-ubiquinone oxidoreductases of the Escherichia coli aerobic respiratory chain.

    Matsushita K;Ohnishi T;Kaback Hr

  • Two binding sites of inhibitors in NADH: ubiquinone oxidoreductase (complex I). Relationship of one site with the ubiquinone-binding site of bacterial glucose:ubiquinone oxidoreductase.

    Thorsten Friedrich;Petra Van Heek;Hans Leif;Tomoko Ohnishi

  • Relationship between free radical production and lipid peroxidation during ischemia-reperfusion injury in the rat brain.

    A Sakamoto;S T Ohnishi;T Ohnishi;R Ogawa

  • Differential effects of mitochondrial Complex I inhibitors on production of reactive oxygen species.

    Romana Fato;Christian Bergamini;Marco Bortolus;Anna Lisa Maniero

  • The chromone inhibitor stigmatellin--binding to the ubiquinol oxidation center at the C-side of the mitochondrial membrane.

    G. von Jagow;G. von Jagow;Tomoko Ohnishi;Tomoko Ohnishi

  • Membranes and phospholipids of liver mitochondria from chronic alcoholic rats are resistant to membrane disordering by alcohol

    Alan J. Waring;Hagai Rottenberg;Tomoko Ohnishi;Emanuel Rubin

  • A novel automated microchip flow‐chamber system to quantitatively evaluate thrombus formation and antithrombotic agents under blood flow conditions

    K. Hosokawa;T. Ohnishi;T. Kondo;M. Fukasawa

  • Mechanism of electron transport and energy conservation in the site I region of the respiratory chain

    Tomoko Ohnishi

  • A reductant-induced oxidation mechanism for complex I.

    P.Leslie Dutton;Christopher C Moser;Vladimir D Sled;Fevzi Daldal

  • Dre2, a Conserved Eukaryotic Fe/S Cluster Protein, Functions in Cytosolic Fe/S Protein Biogenesis

    Yan Zhang;Elise R. Lyver;Eiko Nakamaru-Ogiso;Heeyong Yoon

  • A possible site of superoxide generation in the complex I segment of rat heart mitochondria.

    S. Tsuyoshi Ohnishi;Tomoko Ohnishi;Shikibu Muranaka;Hirofumi Fujita

  • Potentiation of nitric oxide formation following bilateral carotid occlusion and focal cerebral ischemia in the rat: in vivo detection of the nitric oxide radical by electron paramagnetic resonance spin trapping

    Tominaga T;Sato S;Ohnishi T;Ohnishi St

  • Energy-dependent Complex I-associated ubisemiquinones in submitochondrial particles

    A.D. Vinogradov;V.D. Sled;D.S. Burbaev;V.G. Grivennikova

  • Characterization of the chloroplast cytochrome b6f complex as a structural and functional dimer.

    D. Huang;R. M. Everly;R. H. Cheng;J. B. Heymann

  • Thermodynamic Analysis of Flavin in Mitochondrial NADH:Ubiquinone Oxidoreductase (Complex I)

    Vladimir D. Sled;Ned I. Rudnitzky;Youssef Hatefi;Tomoko Ohnishi

  • EPR studies of iron-sulfur clusters in isolated subunits and subfractions of NADH-ubiquinone oxidoreductase.

    T Ohnishi;C I Ragan;Y Hatefi

  • Potential ligands to the [2Fe-2S] Rieske cluster of the cytochrome bc1 complex of Rhodobacter capsulatus probed by site-directed mutagenesis.

    Edgar Davidson;Tomoko Ohnishi;Emmanuel Atta-Asafo-Adjei;Fevzi Daldal

Frequent Co-Authors

Takao Yagi
Takao Yagi Scripps Research Institute
Hanns Weiss
Hanns Weiss Heinrich Heine University Düsseldorf
Fevzi Daldal
Fevzi Daldal University of Pennsylvania
Thorsten Friedrich
Thorsten Friedrich University of Freiburg
Ikuro Maruyama
Ikuro Maruyama Kagoshima University
Shinya Yoshikawa
Shinya Yoshikawa University of Hyogo
Britton Chance
Britton Chance University of Pennsylvania
Andrei D. Vinogradov
Andrei D. Vinogradov Lomonosov Moscow State University
Youssef Hatefi
Youssef Hatefi Scripps Research Institute
Tsoo E. King
Tsoo E. King University at Albany, State University of New York

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