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Kunihito Ioka

Kunihito Ioka

Kyoto University
Japan

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 81 2902 2755 89 86 365 30753

Kunihito Ioka publications per year

The chart shows the history of publications by Kunihito Ioka between 1998 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kunihito Ioka published across 29 years, from 1998 to 2026, averaging 13.1 papers a year. Output peaked at 44 publications in 2021. 14 of the 379 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1998 to 2026. Vertical axis: number of publications, 0 to 44. Peak 44 publications in 2021. 1998: 1 publication 1999: 3 publications 2000: 4 publications 2001: 5 publications 2002: 6 publications 2003: 9 publications 2004: 13 publications 2005: 10 publications 2006: 16 publications 2007: 13 publications 2008: 17 publications 2009: 10 publications 2010: 16 publications 2011: 17 publications 2012: 11 publications 2013: 9 publications 2014: 11 publications 2015: 13 publications 2016: 12 publications 2017: 12 publications 2018: 17 publications 2019: 16 publications 2020: 20 publications 2021: 44 publications 2022: 14 publications 2023: 38 publications 2024: 8 publications 2025: 13 publications 2026: 1 publication
1998 2026

379 publications in total across all disciplines

View publications per year as a table
Kunihito Ioka: publications per year, 1998 to 2026
Year Publications
1998 1
1999 3
2000 4
2001 5
2002 6
2003 9
2004 13
2005 10
2006 16
2007 13
2008 17
2009 10
2010 16
2011 17
2012 11
2013 9
2014 11
2015 13
2016 12
2017 12
2018 17
2019 16
2020 20
2021 44
2022 14
2023 38
2024 8
2025 13
2026 1
Total 379
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Kunihito Ioka 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 Kunihito Ioka 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: 365 publications — 31st percentile

31% 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
363–382 156 365
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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Kunihito Ioka 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 Kunihito Ioka 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

Kunihito Ioka is affiliated with Kyoto University in Japan. Their research primarily focuses on the field of Physics and Astronomy, with substantial contributions to Astronomy and Astrophysics, Nuclear and High Energy Physics, Geophysics, Atomic and Molecular Physics and Optics, as well as Pulmonary and Respiratory Medicine.

Their scientific work encompasses several topical areas, including:

  • Gamma-ray bursts and supernovae
  • Pulsars and Gravitational Waves Research
  • Astrophysics and Cosmic Phenomena
  • Astrophysical Phenomena and Observations
  • Dark Matter and Cosmic Phenomena
  • Particle Detector Development and Performance
  • Astro and Planetary Science

Kunihito Ioka has contributed to publications in a variety of scientific venues. The most frequent venues for their work include:

  • arXiv (Cornell University)
  • Monthly Notices of the Royal Astronomical Society
  • Progress of Theoretical and Experimental Physics
  • Physical Review Letters
  • The Astrophysical Journal

Selected recent papers demonstrating the scope of their collaborative research include:

  • Overview of KAGRA: Detector design and construction history, 2020, Progress of Theoretical and Experimental Physics
  • Current status of space gravitational wave antenna DECIGO and B-DECIGO, 2021, Progress of Theoretical and Experimental Physics
  • Overview of KAGRA: Calibration, detector characterization, physical environmental monitors, and the geophysics interferometer, 2021, Progress of Theoretical and Experimental Physics
  • Observation of Spectral Structures in the Flux of Cosmic-Ray Protons from 50 GeV to 60 TeV with the Calorimetric Electron Telescope on the International Space Station, 2022, Physical Review Letters
  • Direct Measurement of the Cosmic-Ray Carbon and Oxygen Spectra from 10 GeV/n to 2.2 TeV/n with the Calorimetric Electron Telescope on the International Space Station, 2020, Physical Review Letters

Frequent co-authors collaborating with Kunihito Ioka include:

  • Kazunori Kohri
  • W. Ishizaki
  • M. Mori
  • Norita Kawanaka
  • T. Sakamoto

Best Publications

  • Prospects for Observing and Localizing Gravitational-Wave Transients with Advanced LIGO, Advanced Virgo and KAGRA

    B. P. Abbott;R. Abbott;T. D. Abbott;M. R. Abernathy

  • Prospects for Observing and Localizing Gravitational-Wave Transients with Advanced LIGO, Advanced Virgo and KAGRA

    B. P. Abbott

  • Design concepts for the Cherenkov Telescope Array CTA: An advanced facility for ground-based high-energy gamma-ray astronomy

    M. Actis;G. Agnetta;F. Aharonian;A. Akhperjanian

  • GRB Formation Rates inferred from the Spectral Peak Energy - Luminosity Relation

    D. Yonetoku;T. Murakami;T. Nakamura;R. Yamazaki

  • Introducing the CTA concept

    B. S. Acharya;M. Actis;T. Aghajani;G. Agnetta

  • Gamma-Ray Burst Formation Rate Inferred from the Spectral Peak Energy-Peak Luminosity Relation

    Daisuke Yonetoku;Toshio Murakami;T. Nakamura;R. Yamazaki

  • The Japanese space gravitational wave antenna DECIGO

    Seiji Kawamura;Hiroo Kunimori;Mizuhiko Hosokawa;Ryuichi Fujita

  • Observation of Gravitational Waves from Two Neutron Star–Black Hole Coalescences

    R. Abbott;T. D. Abbott;S. Abraham;F. Acernese

  • Overview of KAGRA: Detector design and construction history

    T. Akutsu;M. Ando;M. Ando;K. Arai;Y. Arai

  • Science with the Cherenkov Telescope Array

    B.S. Acharya;I. Agudo;I. Al Samarai

  • KAGRA: 2.5 Generation Interferometric Gravitational Wave Detector

    T. Akutsu;M. Ando;M. Ando;K. Arai;Y. Arai

  • Cosmic Dispersion Measure from Gamma-Ray Burst Afterglows: Probing the Reionization History and the Burst Environment

    K. Ioka

  • Current status of space gravitational wave antenna DECIGO and B-DECIGO

    Seiji Kawamura;Masaki Ando;Naoki Seto;Shuichi Sato

  • Upper limits on the isotropic gravitational-wave background from Advanced LIGO and Advanced Virgo’s third observing run

    R. Abbott;T. D. Abbott;S. Abraham;F. Acernese

  • TeV-PeV neutrinos from low-power gamma-ray burst jets inside stars.

    Kohta Murase;Kunihito Ioka;Kunihito Ioka

  • Jet collimation in the ejecta of double neutron star merger: new canonical picture of short gamma-ray bursts

    Hiroki Nagakura;Kenta Hotokezaka;Yuichiro Sekiguchi;Masaru Shibata

  • The Cosmic Dispersion Measure from Gamma-Ray Burst Afterglows: Probing the Reionization History and the Burst Environment

    Kunihito Ioka

  • Opening Angles of Collapsar Jets

    Akira Mizuta;Kunihito Ioka;Kunihito Ioka

  • High Energy Neutrinos and Cosmic-Rays from Low-Luminosity Gamma-Ray Bursts?

    Kohta Murase;Kunihito Ioka;Shigehiro Nagataki;Shigehiro Nagataki;Takashi Nakamura

  • Jet Collimation in the Ejecta of Double Neutron Star Mergers: A New Canonical Picture of Short Gamma-Ray Bursts

    Hiroki Nagakura;Kenta Hotokezaka;Yuichiro Sekiguchi;Masaru Shibata

Frequent Co-Authors

R. Flaminio
R. Flaminio National Institutes of Natural Sciences
Jun'ichi Yokoyama
Jun'ichi Yokoyama University of Tokyo
Kohta Murase
Kohta Murase Pennsylvania State University
Kazunori Kohri
Kazunori Kohri High Energy Accelerator Research Organization
Haruki Kitazawa
Haruki Kitazawa Tohoku University
Masaru Shibata
Masaru Shibata Kyoto University
Karsten Danzmann
Karsten Danzmann Max Planck Institute for Gravitational Physics
T. Sakamoto
T. Sakamoto Aoyama Gakuin University
Bernard F. Schutz
Bernard F. Schutz Cardiff University
N. A. Robertson
N. A. Robertson California Institute of Technology

External Links

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Best Scientists Citing Kunihito Ioka

Bing Zhang

Bing Zhang

University of Nevada, Las Vegas

Publications: 232

Kohta Murase

Kohta Murase

Pennsylvania State University

Publications: 192

Peter Mészáros

Peter Mészáros

Pennsylvania State University

Publications: 137

Stefano Covino

Stefano Covino

National Institute for Astrophysics

Publications: 99

C. Guidorzi

C. Guidorzi

University of Ferrara

Publications: 92

P. T. O'Brien

P. T. O'Brien

University of Leicester

Publications: 90

Nelson Christensen

Nelson Christensen

Observatoire de la Côte d’Azur

Publications: 89

Alessandra Buonanno

Alessandra Buonanno

Max Planck Institute for Gravitational Physics

Publications: 88

N. A. Robertson

N. A. Robertson

California Institute of Technology

Publications: 88

Daniel E. Holz

Daniel E. Holz

University of Chicago

Publications: 83

Karsten Danzmann

Karsten Danzmann

Max Planck Institute for Gravitational Physics

Publications: 78

Nial R. Tanvir

Nial R. Tanvir

University of Leicester

Publications: 77

Raffaella Margutti

Raffaella Margutti

Northwestern University

Publications: 76

Jim Hinton

Jim Hinton

Max Planck Society

Publications: 75

Harald P. Pfeiffer

Harald P. Pfeiffer

Max Planck Society

Publications: 74

R. Flaminio

R. Flaminio

National Institutes of Natural Sciences

Publications: 72

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