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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 81 2956 2806 93 90 378 21241

Toshikazu Onishi publications per year

The chart shows the history of publications by Toshikazu Onishi between 1993 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Toshikazu Onishi published across 33 years, from 1993 to 2025, averaging 12.8 papers a year. Output peaked at 28 publications in 2023. 22 of the 422 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1993 to 2025. Vertical axis: number of publications, 0 to 28. Peak 28 publications in 2023. 1993: 1 publication 1994: 4 publications 1995: 2 publications 1996: 1 publication 1997: 3 publications 1998: 4 publications 1999: 21 publications 2000: 4 publications 2001: 19 publications 2002: 4 publications 2003: 6 publications 2004: 1 publication 2005: 12 publications 2006: 19 publications 2007: 10 publications 2008: 26 publications 2009: 17 publications 2010: 19 publications 2011: 17 publications 2012: 8 publications 2013: 25 publications 2014: 15 publications 2015: 21 publications 2016: 7 publications 2017: 25 publications 2018: 13 publications 2019: 17 publications 2020: 18 publications 2021: 23 publications 2022: 10 publications 2023: 28 publications 2024: 12 publications 2025: 10 publications
1993 2025

422 publications in total across all disciplines

View publications per year as a table
Toshikazu Onishi: publications per year, 1993 to 2025
Year Publications
1993 1
1994 4
1995 2
1996 1
1997 3
1998 4
1999 21
2000 4
2001 19
2002 4
2003 6
2004 1
2005 12
2006 19
2007 10
2008 26
2009 17
2010 19
2011 17
2012 8
2013 25
2014 15
2015 21
2016 7
2017 25
2018 13
2019 17
2020 18
2021 23
2022 10
2023 28
2024 12
2025 10
Total 422
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Toshikazu Onishi publication distribution in Physics in 2026

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

No. of scientists
50 100 150
Bar chart with 70 bars. Horizontal axis: publications, 103–122 to 1,469+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 323–342 publications. The last bar groups every scientist with 1,469 publications or more. The highlighted bar, 363–382 publications, is where this scientist sits. 103–122 publications: 7 scientists 123–142 publications: 10 scientists 143–162 publications: 31 scientists 163–182 publications: 35 scientists 183–202 publications: 53 scientists 203–222 publications: 81 scientists 223–242 publications: 85 scientists 243–262 publications: 112 scientists 263–282 publications: 114 scientists 283–302 publications: 126 scientists 303–322 publications: 136 scientists 323–342 publications: 162 scientists 343–362 publications: 155 scientists 363–382 publications: 156 scientists 383–402 publications: 134 scientists 403–422 publications: 145 scientists 423–442 publications: 147 scientists 443–462 publications: 131 scientists 463–482 publications: 131 scientists 483–502 publications: 116 scientists 503–522 publications: 106 scientists 523–542 publications: 103 scientists 543–562 publications: 87 scientists 563–582 publications: 84 scientists 583–602 publications: 94 scientists 603–622 publications: 70 scientists 623–642 publications: 76 scientists 643–662 publications: 60 scientists 663–682 publications: 54 scientists 683–702 publications: 60 scientists 703–722 publications: 48 scientists 723–742 publications: 64 scientists 743–762 publications: 48 scientists 763–782 publications: 37 scientists 783–802 publications: 43 scientists 803–822 publications: 34 scientists 823–842 publications: 36 scientists 843–862 publications: 32 scientists 863–882 publications: 32 scientists 883–902 publications: 31 scientists 903–922 publications: 25 scientists 923–942 publications: 15 scientists 943–962 publications: 24 scientists 963–982 publications: 13 scientists 983–1,002 publications: 21 scientists 1,003–1,022 publications: 21 scientists 1,023–1,042 publications: 16 scientists 1,043–1,062 publications: 9 scientists 1,063–1,082 publications: 19 scientists 1,083–1,102 publications: 11 scientists 1,103–1,122 publications: 17 scientists 1,123–1,142 publications: 11 scientists 1,143–1,162 publications: 7 scientists 1,163–1,182 publications: 4 scientists 1,183–1,202 publications: 10 scientists 1,203–1,222 publications: 8 scientists 1,223–1,242 publications: 16 scientists 1,243–1,262 publications: 4 scientists 1,263–1,282 publications: 10 scientists 1,283–1,302 publications: 5 scientists 1,303–1,322 publications: 7 scientists 1,323–1,342 publications: 4 scientists 1,343–1,362 publications: 8 scientists 1,363–1,382 publications: 6 scientists 1,383–1,402 publications: 7 scientists 1,403–1,422 publications: 3 scientists 1,423–1,442 publications: 4 scientists 1,443–1,462 publications: 4 scientists 1,463–1,468 publications: 3 scientists 1,469+ publications: 100 scientists
103–122 publications 1,469+

This scientist: 378 publications — 33rd percentile

33% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,469 publications or more.

View publications distribution as a table
Number of Physics scientists by publication count, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
Publications Scientists This scientist
103–122 7
123–142 10
143–162 31
163–182 35
183–202 53
203–222 81
223–242 85
243–262 112
263–282 114
283–302 126
303–322 136
323–342 162
343–362 155
363–382 156 378
383–402 134
403–422 145
423–442 147
443–462 131
463–482 131
483–502 116
503–522 106
523–542 103
543–562 87
563–582 84
583–602 94
603–622 70
623–642 76
643–662 60
663–682 54
683–702 60
703–722 48
723–742 64
743–762 48
763–782 37
783–802 43
803–822 34
823–842 36
843–862 32
863–882 32
883–902 31
903–922 25
923–942 15
943–962 24
963–982 13
983–1,002 21
1,003–1,022 21
1,023–1,042 16
1,043–1,062 9
1,063–1,082 19
1,083–1,102 11
1,103–1,122 17
1,123–1,142 11
1,143–1,162 7
1,163–1,182 4
1,183–1,202 10
1,203–1,222 8
1,223–1,242 16
1,243–1,262 4
1,263–1,282 10
1,283–1,302 5
1,303–1,322 7
1,323–1,342 4
1,343–1,362 8
1,363–1,382 6
1,383–1,402 7
1,403–1,422 3
1,423–1,442 4
1,443–1,462 4
1,463–1,468 3
1,469+ 100
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Toshikazu Onishi D-index placement in Physics in 2026

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

No. of scientists
50 100 150
Bar chart with 59 bars. Horizontal axis: D-Index, 70–71 to 185+. Vertical axis: number of scientists, 0 to 167. Most scientists, 167, have 80–81 D-Index. The last bar groups every scientist with 185 D-Index or more. The highlighted bar, 80–81 D-Index, is where this scientist sits. 70–71 D-Index: 76 scientists 72–73 D-Index: 110 scientists 74–75 D-Index: 143 scientists 76–77 D-Index: 153 scientists 78–79 D-Index: 144 scientists 80–81 D-Index: 167 scientists 82–83 D-Index: 167 scientists 84–85 D-Index: 166 scientists 86–87 D-Index: 132 scientists 88–89 D-Index: 155 scientists 90–91 D-Index: 134 scientists 92–93 D-Index: 137 scientists 94–95 D-Index: 102 scientists 96–97 D-Index: 112 scientists 98–99 D-Index: 110 scientists 100–101 D-Index: 116 scientists 102–103 D-Index: 97 scientists 104–105 D-Index: 103 scientists 106–107 D-Index: 87 scientists 108–109 D-Index: 90 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 78 scientists 114–115 D-Index: 75 scientists 116–117 D-Index: 67 scientists 118–119 D-Index: 69 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 59 scientists 124–125 D-Index: 53 scientists 126–127 D-Index: 42 scientists 128–129 D-Index: 41 scientists 130–131 D-Index: 33 scientists 132–133 D-Index: 32 scientists 134–135 D-Index: 45 scientists 136–137 D-Index: 19 scientists 138–139 D-Index: 24 scientists 140–141 D-Index: 28 scientists 142–143 D-Index: 31 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 20 scientists 148–149 D-Index: 12 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 24 scientists 154–155 D-Index: 23 scientists 156–157 D-Index: 15 scientists 158–159 D-Index: 15 scientists 160–161 D-Index: 11 scientists 162–163 D-Index: 17 scientists 164–165 D-Index: 12 scientists 166–167 D-Index: 11 scientists 168–169 D-Index: 9 scientists 170–171 D-Index: 9 scientists 172–173 D-Index: 11 scientists 174–175 D-Index: 4 scientists 176–177 D-Index: 8 scientists 178–179 D-Index: 5 scientists 180–181 D-Index: 3 scientists 182–183 D-Index: 4 scientists 184 D-Index: 4 scientists 185+ D-Index: 99 scientists
70–71 D-Index 185+

This scientist: 81 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 185 D-Index or more.

View D-Index distribution as a table
Number of Physics scientists by D-index, Research.com 2026 ranking edition. Based on 3,678 ranked scientists.
D-Index Scientists This scientist
70–71 76
72–73 110
74–75 143
76–77 153
78–79 144
80–81 167 81
82–83 167
84–85 166
86–87 132
88–89 155
90–91 134
92–93 137
94–95 102
96–97 112
98–99 110
100–101 116
102–103 97
104–105 103
106–107 87
108–109 90
110–111 67
112–113 78
114–115 75
116–117 67
118–119 69
120–121 60
122–123 59
124–125 53
126–127 42
128–129 41
130–131 33
132–133 32
134–135 45
136–137 19
138–139 24
140–141 28
142–143 31
144–145 22
146–147 20
148–149 12
150–151 16
152–153 24
154–155 23
156–157 15
158–159 15
160–161 11
162–163 17
164–165 12
166–167 11
168–169 9
170–171 9
172–173 11
174–175 4
176–177 8
178–179 5
180–181 3
182–183 4
184 4
185+ 99
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Overview

Toshikazu Onishi is affiliated with Osaka Metropolitan University in Japan. Their research primarily focuses on Physics and Astronomy, with a specialization in Astronomy and Astrophysics as well as related subfields including Spectroscopy, Atmospheric Science, Electrical and Electronic Engineering, and Nuclear and High Energy Physics.

Their work covers a range of scientific topics such as:

  • Astrophysics and Star Formation Studies
  • Stellar, planetary, and galactic studies
  • Atmospheric Ozone and Climate
  • Galaxies: Formation, Evolution, Phenomena
  • Molecular Spectroscopy and Structure
  • Spectroscopy and Laser Applications
  • Astrophysics and Cosmic Phenomena

Toshikazu Onishi has contributed extensively to the literature, with over 140 publications primarily appearing in notable venues. The most frequent publication outlets include:

  • The Astrophysical Journal (25 publications)
  • arXiv (Cornell University) (18 publications)
  • Publications of the Astronomical Society of Japan (10 publications)
  • Zenodo (CERN European Organization for Nuclear Research) (7 publications)
  • Monthly Notices of the Royal Astronomical Society (2 publications)

Recent papers demonstrate research on molecular clouds, star formation, and cosmic phenomena. Some notable publications are:

  • FRagmentation and Evolution of Dense Cores Judged by ALMA (FREJA). I. Overview: Inner ∼1000 au Structures of Prestellar/Protostellar Cores in Taurus (2020, The Astrophysical Journal)
  • The 30 Doradus Molecular Cloud at 0.4 pc Resolution with the Atacama Large Millimeter/submillimeter Array: Physical Properties and the Boundedness of CO-emitting Structures (2022, The Astrophysical Journal)
  • ALMA CO Observations of Gamma-Ray Supernova Remnant N132D in the Large Magellanic Cloud: Possible Evidence for Shocked Molecular Clouds Illuminated by Cosmic-Ray Protons (2020, The Astrophysical Journal)
  • ALMA CO observations of a giant molecular cloud in M33: Evidence for high-mass star formation triggered by cloud-cloud collisions (2020, Publications of the Astronomical Society of Japan)
  • ALMA Observations of Giant Molecular Clouds in M33. I. Resolving Star Formation Activities in the Giant Molecular Filaments Possibly Formed by a Spiral Shock (2020, The Astrophysical Journal)

Collaboration has been an element in their work, with frequent co-authors including Kazuki Tokuda, Y. Fukui, Kengo Tachihara, Akiko Kawamura, and Kisetsu Tsuge, each contributing extensively to joint research efforts.

Best Publications

  • Spitzer Survey of the Large Magellanic Cloud, Surveying the Agents of a Galaxy's Evolution (SAGE) I: Overview and Initial Results

    Margaret Meixner;Karl D. Gordon;Remy Indebetouw;Joseph L. Hora

  • Spitzer Survey of the Large Magellanic Cloud: Surveying the Agents of a Galaxy's Evolution (SAGE). I. Overview and Initial Results

    Margaret Meixner;Karl D. Gordon;Remy Indebetouw;Joseph L. Hora

  • Planck Early Results: All sky temperature and dust optical depth from Planck and IRAS: Constraints on the "dark gas" in our galaxy

    P. A. R. Ade;N. Aghanim;M. Arnaud

  • Planck early results. XIX. All-sky temperature and dust optical depth from Planck and IRAS. Constraints on the "dark gas" in our Galaxy

    Peter A. R. Ade;N. Aghanim;M. Arnaud;M. Ashdown

  • Molecular clouds towards RCW 49 and Westerlund 2; Evidence for cluster formation triggered by cloud-cloud collision

    Naoko Furukawa;Joanne R. Dawson;Akio Ohama;Akiko Kawamura

  • THE SECOND SURVEY OF THE MOLECULAR CLOUDS IN THE LARGE MAGELLANIC CLOUD BY NANTEN. II. STAR FORMATION

    Akiko Kawamura;Yoji Mizuno;Tetsuhiro Minamidani;Tetsuhiro Minamidani;Miroslav D. Fillipović

  • Surveying the Agents of Galaxy Evolution in the Tidally-Stripped, Low Metallicity Small Magellanic Cloud (SAGE-SMC). I. Overview

    Karl D. Gordon;Margaret Meixner;Marilyn Meade;Barbara A. Whitney

  • Molecular Clouds Toward the Super Star Cluster NGC3603; Possible Evidence for a Cloud-Cloud Collision in Triggering the Cluster Formation

    Yasuo Fukui;Akio Ohama;Naoki Hanaoka;Naoko Furukawa

  • The Second Survey of the Molecular Clouds in the Large Magellanic Cloud by NANTEN. I. Catalog of Molecular Clouds

    Y. Fukui;A. Kawamura;T. Minamidani;T. Minamidani;Y. Mizuno

  • First Results of a CO Survey of the Large Magellanic Cloud with NANTEN; Giant Molecular Clouds as Formation Sites of Populous Clusters

    Yasuo Fukui;Norikazu Mizuno;Reiko Yamaguchi;Akira Mizuno

  • A C18O Survey of Dense Cloud Cores in Taurus: Star Formation

    Toshikazu Onishi;Akira Mizuno;Akiko Kawamura;Hideo Ogawa

  • Spitzer SAGE survey of the Large Magellanic Cloud III: star formation and ~1000 new candidate young stellar objects

    B.A. Whitney;M. Sewilo;R. Indebetouw;T.P. Robitaille

  • Molecular clouds toward RCW49 and westerlund 2: Evidence for cluster formation triggered by cloud-cloud collision

    N. Furukawa;J. R. Dawson;J. R. Dawson;A. Ohama;A. Kawamura

  • A C 18O Survey of Dense Cloud Cores in Taurus: Core Properties

    Toshikazu Onishi;Akira Mizuno;Akiko Kawamura;Hideo Ogawa

  • A Complete Search for Dense Cloud Cores in Taurus

    Toshikazu Onishi;Akira Mizuno;Akiko Kawamura;Kengo Tachihara

  • Overall Distribution of Dense Molecular Gas and Star Formation in the Taurus Cloud Complex

    A. Mizuno;T. Onishi;Y. Yonekura;T. Nagahama

  • Cloud-cloud collision as a trigger of the high-mass star formation; a molecular line study in RCW120

    K. Torii;K. Hasegawa;Y. Hattori;H. Sano

  • Molecular Clouds toward the Super Star Cluster NGC 3603 Possible Evidence for a Cloud-Cloud Collision in Triggering the Cluster Formation

    Y. Fukui;A. Ohama;N. Hanaoka;N. Furukawa;N. Furukawa

  • Spitzer SAGE Survey of the Large Magellanic Cloud. II. Evolved Stars and Infrared Color-Magnitude Diagrams

    R.D. Blum;J.R. Mould;K.A. Olsen;J.A. Frogel

  • Spitzer Survey of the Large Magellanic Cloud, Surveying the Agents of a Galaxy's Evolution (SAGE). IV. Dust Properties in the Interstellar Medium

    Jean Philippe Bernard;William T. Reach;Deborah Paradis;Margaret Meixner

Frequent Co-Authors

Yasuo Fukui
Yasuo Fukui Nagoya University
Akiko Kawamura
Akiko Kawamura National Institutes of Natural Sciences
Remy Indebetouw
Remy Indebetouw National Radio Astronomy Observatory
Margaret Meixner
Margaret Meixner Space Telescope Science Institute
Shu-ichiro Inutsuka
Shu-ichiro Inutsuka Nagoya University
William T. Reach
William T. Reach Universities Space Research Association
Gavin Rowell
Gavin Rowell University of Adelaide
Lister Staveley-Smith
Lister Staveley-Smith University of Western Australia
Brian Babler
Brian Babler University of Wisconsin–Madison
Alberto D. Bolatto
Alberto D. Bolatto University of Maryland, College Park

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