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Hiroshi Onishi

Hiroshi Onishi

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 58 10466 9454 762 699 390 16177

Hiroshi Onishi publications per year

The chart shows the history of publications by Hiroshi Onishi between 1953 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroshi Onishi published across 74 years, from 1953 to 2026, averaging 6.7 papers a year. Output peaked at 24 publications in 2003. 9 of the 493 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1953 to 2026. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 2003. 1953: 1 publication 1954: 2 publications 1955: 4 publications 1956: 4 publications 1957: 3 publications 1958: 0 publications 1959: 2 publications 1960: 7 publications 1961: 4 publications 1962: 7 publications 1963: 6 publications 1964: 5 publications 1965: 5 publications 1966: 3 publications 1967: 4 publications 1968: 5 publications 1969: 6 publications 1970: 2 publications 1971: 1 publication 1972: 7 publications 1973: 4 publications 1974: 5 publications 1975: 2 publications 1976: 1 publication 1977: 2 publications 1978: 5 publications 1979: 2 publications 1980: 3 publications 1981: 1 publication 1982: 3 publications 1983: 4 publications 1984: 3 publications 1985: 3 publications 1986: 2 publications 1987: 4 publications 1988: 5 publications 1989: 5 publications 1990: 7 publications 1991: 4 publications 1992: 3 publications 1993: 9 publications 1994: 11 publications 1995: 6 publications 1996: 9 publications 1997: 7 publications 1998: 8 publications 1999: 6 publications 2000: 11 publications 2001: 14 publications 2002: 16 publications 2003: 24 publications 2004: 19 publications 2005: 13 publications 2006: 14 publications 2007: 8 publications 2008: 8 publications 2009: 14 publications 2010: 11 publications 2011: 4 publications 2012: 10 publications 2013: 11 publications 2014: 7 publications 2015: 11 publications 2016: 15 publications 2017: 7 publications 2018: 11 publications 2019: 16 publications 2020: 8 publications 2021: 16 publications 2022: 3 publications 2023: 4 publications 2024: 7 publications 2025: 8 publications 2026: 1 publication
1953 2026

493 publications in total across all disciplines

View publications per year as a table
Hiroshi Onishi: publications per year, 1953 to 2026
Year Publications
1953 1
1954 2
1955 4
1956 4
1957 3
1958 0
1959 2
1960 7
1961 4
1962 7
1963 6
1964 5
1965 5
1966 3
1967 4
1968 5
1969 6
1970 2
1971 1
1972 7
1973 4
1974 5
1975 2
1976 1
1977 2
1978 5
1979 2
1980 3
1981 1
1982 3
1983 4
1984 3
1985 3
1986 2
1987 4
1988 5
1989 5
1990 7
1991 4
1992 3
1993 9
1994 11
1995 6
1996 9
1997 7
1998 8
1999 6
2000 11
2001 14
2002 16
2003 24
2004 19
2005 13
2006 14
2007 8
2008 8
2009 14
2010 11
2011 4
2012 10
2013 11
2014 7
2015 11
2016 15
2017 7
2018 11
2019 16
2020 8
2021 16
2022 3
2023 4
2024 7
2025 8
2026 1
Total 493
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Hiroshi Onishi 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 Hiroshi Onishi 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, 381–400 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: 390 publications — 79th percentile

79% 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
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459 390
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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Hiroshi Onishi 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 Hiroshi Onishi 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, 58–59 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: 58 D-Index — 42nd percentile

42% 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 58
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
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

Hiroshi Onishi is affiliated with Kobe University in Japan and is active in research areas spanning materials science, engineering, and medicine. Their work predominantly focuses on materials chemistry, electrical and electronic engineering, and renewable energy, sustainability, and the environment. Subfields also include atomic and molecular physics, optics, as well as radiology, nuclear medicine, and imaging.

The research portfolio of Hiroshi Onishi includes publications addressing advanced photocatalysis techniques, the properties and applications of perovskite materials, and investigations on the electronic and structural properties of oxides. Other frequent topics include ferroelectric and piezoelectric materials, electrochemical analysis, and various force microscopy and radiotherapy techniques.

Key frequent coauthors include Mitsunori Kitta, Nobuyuki Ichikuni, Hanggara Sudrajat, Ryuzi Katoh, and Akira Sasahara. Their collaborations have contributed to multiple scholarly outputs across several scientific journals.

Hiroshi Onishi has published extensively in select scientific journals, with notable recurring venues being:

  • The Journal of Physical Chemistry C (6 publications)
  • Physical Chemistry Chemical Physics (5 publications)
  • Japanese Journal of Applied Physics (3 publications)
  • The Journal of Chemical Physics (3 publications)
  • Chemistry of Materials (2 publications)

Representative recent papers authored or coauthored by Hiroshi Onishi include:

  • Measurement of electron temperature and density of atmospheric-pressure non-equilibrium argon plasma examined with optical emission spectroscopy, 2020, Japanese Journal of Applied Physics
  • Water-Splitting Activity of La-Doped NaTaO3 Photocatalysts Sensitive to Spatial Distribution of Dopants, 2020, The Journal of Physical Chemistry C
  • Dopant site in indium-doped SrTiO3 photocatalysts, 2020, Physical Chemistry Chemical Physics
  • Single-Crystal Model of Highly Efficient Water-Splitting Photocatalysts: A KTaO3 Wafer Doped with Calcium Cations, 2020, Chemistry of Materials
  • Transient Kinetics of O2 Evolution in Photocatalytic Water-Splitting Reaction, 2020, ACS Catalysis

Best Publications

  • Direct visualization of defect-mediated dissociation of water on TiO2(110)

    Oier Bikondoa;Chi L. Pang;Roslinda Ithnin;Christopher A. Muryn

  • Structural color and the lotus effect.

    Zhong Ze Gu;Hiroshi Uetsuka;Kazuyuki Takahashi;Rie Nakajima

  • Reconstruction of TiO2(110) surface: STM study with atomic-scale resolution

    Hiroshi Onishi;Yasuhiro Iwasawa

  • Battery performances and thermal stability of polyacrylonitrile nano-fiber-based nonwoven separators for Li-ion battery

    Tae-Hyung Cho;Masanao Tanaka;Hiroshi Onishi;Yuka Kondo

  • Water- and Oxygen-Induced Decay Kinetics of Photogenerated Electrons in TiO2 and Pt/TiO2: A Time-Resolved Infrared Absorption Study

    Akira Yamakata;and Taka-aki Ishibashi;Hiroshi Onishi

  • Adsorption of Na atoms and oxygen-containing molecules on MgO(100) and (111) surfaces

    Hiroshi Onishi;Chikashi Egawa;Tetsuya Aruga;Yasuhiro Iwasawa

  • Atom-Resolved Image of the TiO 2 \(110\) Surface by Noncontact Atomic Force Microscopy

    Ken-ichi Fukui;Hiroshi Onishi;Yasuhiro Iwasawa

  • Dynamic visualization of a metal-oxide-surface/gas-phase reaction: Time-resolved observation by scanning tunneling microscopy at 800 K.

    Hiroshi Onishi;Yasuhiro Iwasawa

  • Electron- and Hole-Capture Reactions on Pt/TiO2 Photocatalyst Exposed to Methanol Vapor Studied with Time-Resolved Infrared Absorption Spectroscopy

    Akira Yamakata;and Taka-aki Ishibashi;Hiroshi Onishi

  • Atomic-Scale Surface Structures of TiO2(110) Determined by Scanning Tunneling Microscopy: A New Surface-Limited Phase of Titanium Oxide

    Hiroshi Onishi;Kenichi Fukui;Yasuhiro Iwasawa

  • Time-resolved infrared absorption spectroscopy of photogenerated electrons in platinized TiO2 particles

    Akira Yamakata;Taka-aki Ishibashi;Hiroshi Onishi

  • STM-imaging of formate intermediates adsorbed on a TiO2(110) surface

    Hiroshi Onishi;Yasuhiro Iwasawa

  • Photochemical charge transfer and trapping at the interface between an organic adlayer and an oxide semiconductor.

    Michael A. Henderson;J M. White;H Uetsuka;Hiroshi Onishi

  • Hydrogen adatoms on TiO2(110)-(1x1) characterized by scanning tunneling microscopy and electron stimulated desorption

    Shushi Suzuki;Ken-ichi Fukui;Hiroshi Onishi;Yasuhiro Iwasawa

  • Adsorption of CH3OH, HCOOH and SO2 on TiO2(110) and stepped TiO2(441) surfaces

    Hiroshi Onishi;Tetsuya Aruga;Chikashi Egawa;Yasuhiro Iwasawa

  • Kinetics of the photocatalytic water-splitting reaction on TiO2 and Pt/TiO2 studied by time-resolved infrared absorption spectroscopy

    Akira Yamakata;Taka-aki Ishibashi;Hiroshi Onishi

  • Photodynamics of NaTaO3 Catalysts for Efficient Water Splitting

    Akira Yamakata;Taka Aki Ishibashi;Hideki Kato;Akihiko Kudo

  • Switchover of Reaction Paths in the Catalytic Decomposition of Formic Acid on TiO2(110) Surface

    H. Onishi;T. Aruga;Y. Iwasawa

  • Modification of surface electronic structure on TiO2(110) and TiO2(441) by Na deposition

    Hiroshi Onishi;Tetsuya Aruga;Chikashi Egawa;Yasuhiro Iwasawa

  • Photoinduced Dynamics of TiO2 Doped with Cr and Sb

    Toshitatsu Ikeda;Tomonori Nomoto;Kazuo Eda;Yasuhisa Mizutani

  • Carrier Dynamics in TiO2 and Pt/TiO2 Powders Observed by Femtosecond Time-Resolved Near-Infrared Spectroscopy at a Spectral Region of 0.9−1.5 μm with the Direct Absorption Method

    Koichi Iwata;Tomohisa Takaya;Hiro-O Hamaguchi;Akira Yamakata

Frequent Co-Authors

Yasuhiro Iwasawa
Yasuhiro Iwasawa University of Electro-Communications
Akira Yamakata
Akira Yamakata Okayama University
Kenichi Fukui
Kenichi Fukui Osaka University
Takeshi Fukuma
Takeshi Fukuma Kanazawa University
Adam S. Foster
Adam S. Foster Aalto University
Akihiko Kudo
Akihiko Kudo Tokyo University of Science
Hiroyuki Aburatani
Hiroyuki Aburatani University of Tokyo
Tetsuo Sakka
Tetsuo Sakka Kyoto University
Teruhisa Ohno
Teruhisa Ohno Kyushu Institute of Technology
Takehiko Sasaki
Takehiko Sasaki University of Tokyo

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