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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Physics 77 3231 3072 114 111 850 22691

Ken-ichi Ueda publications per year

The chart shows the history of publications by Ken-ichi Ueda between 1971 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ken-ichi Ueda published across 55 years, from 1971 to 2025, averaging 16 papers a year. Output peaked at 79 publications in 2005. 8 of the 879 publications appeared in the last two years.

No. of publications
25 50 75
Bar chart. Horizontal axis: year, 1971 to 2025. Vertical axis: number of publications, 0 to 79. Peak 79 publications in 2005. 1971: 2 publications 1972: 2 publications 1973: 1 publication 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 2 publications 1983: 3 publications 1984: 5 publications 1985: 5 publications 1986: 1 publication 1987: 10 publications 1988: 10 publications 1989: 7 publications 1990: 5 publications 1991: 14 publications 1992: 4 publications 1993: 18 publications 1994: 14 publications 1995: 19 publications 1996: 20 publications 1997: 26 publications 1998: 19 publications 1999: 41 publications 2000: 62 publications 2001: 62 publications 2002: 40 publications 2003: 48 publications 2004: 50 publications 2005: 79 publications 2006: 57 publications 2007: 44 publications 2008: 29 publications 2009: 25 publications 2010: 26 publications 2011: 32 publications 2012: 19 publications 2013: 18 publications 2014: 7 publications 2015: 5 publications 2016: 7 publications 2017: 8 publications 2018: 3 publications 2019: 4 publications 2020: 4 publications 2021: 4 publications 2022: 5 publications 2023: 5 publications 2024: 5 publications 2025: 3 publications
1971 2025

879 publications in total across all disciplines

View publications per year as a table
Ken-ichi Ueda: publications per year, 1971 to 2025
Year Publications
1971 2
1972 2
1973 1
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 2
1983 3
1984 5
1985 5
1986 1
1987 10
1988 10
1989 7
1990 5
1991 14
1992 4
1993 18
1994 14
1995 19
1996 20
1997 26
1998 19
1999 41
2000 62
2001 62
2002 40
2003 48
2004 50
2005 79
2006 57
2007 44
2008 29
2009 25
2010 26
2011 32
2012 19
2013 18
2014 7
2015 5
2016 7
2017 8
2018 3
2019 4
2020 4
2021 4
2022 5
2023 5
2024 5
2025 3
Total 879
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Ken-ichi Ueda 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 Ken-ichi Ueda 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, 843–862 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: 850 publications — 87th percentile

87% 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
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 32 850
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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Ken-ichi Ueda 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 Ken-ichi Ueda 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, 76–77 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: 77 D-Index — 13th percentile

13% 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 77
78–79 144
80–81 167
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

Ken-ichi Ueda is affiliated with the University of Electro-Communications in Japan. Their research spans multiple areas within physics and engineering, particularly focusing on laser technologies and optics.

Ueda's main fields of study include:

  • Physics and Astronomy
  • Engineering

The scientist's subfields of study comprise:

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Global and Planetary Change
  • Pulmonary and Respiratory Medicine
  • Oceanography

Ken-ichi Ueda's work covers several research topics, notably:

  • Solid State Laser Technologies
  • Advanced Fiber Laser Technologies
  • Orbital Angular Momentum in Optics
  • Laser-Matter Interactions and Applications
  • Laser Design and Applications
  • Semiconductor Lasers and Optical Devices
  • Photonic Crystal and Fiber Optics

Recent papers authored or co-authored by Ueda include:

  • Current status of space gravitational wave antenna DECIGO and B-DECIGO, 2021, arXiv (Cornell University)
  • Cylindrical vector beam rotary Nd:YAG disk laser with birefringent crystal, 2020, Chinese Optics Letters
  • Generation of nanosecond pulsed azimuthally and radially polarized beams with an actively Q-switched rotating disk laser, 2021, Applied Physics Letters
  • Bronchogenic cyst with atypical imaging findings and repeated ruptures in a short period of time: A case report, 2022, Radiology Case Reports
  • Pulsed azimuthally polarized beam from passively Q-switched rotating Nd:YAG disk laser, 2021, Applied Physics Express

The scientist frequently publishes in the following venues:

  • Optics & Laser Technology
  • SSRN Electronic Journal
  • arXiv (Cornell University)
  • Chinese Optics Letters
  • Applied Physics Letters

Collaborators regularly working with Ken-ichi Ueda include:

  • Jianlang Li
  • Noboru Tanigawa
  • Hiroshi Ito
  • Mai Togawa
  • Shigeho Kakehi

Best Publications

  • The Japanese space gravitational wave antenna DECIGO

    Seiji Kawamura;Hiroo Kunimori;Mizuhiko Hosokawa;Ryuichi Fujita

  • Neodymium doped yttrium aluminum garnet (Y3Al5O12) nanocrystalline ceramics—a new generation of solid state laser and optical materials

    Jianren Lu;Ken-ichi Ueda;Hideki Yagi;Takagimi Yanagitani

  • Optical properties and highly efficient laser oscillation of Nd:YAG ceramics

    J. Lu;M. Prabhu;J. Song;C. Li

  • Properties of Nd3+-doped and undoped tetragonal PbWO4, NaY(WO4)2, CaWO4, and undoped monoclinic ZnWO4 and CdWO4 as laser-active and stimulated raman scattering-active crystals.

    Alexander A. Kaminskii;Hans J. Eichler;Ken-ichi Ueda;Nikolai V. Klassen

  • Tetragonal vanadates YVO4 and GdVO4 – new efficient χ(3)-materials for Raman lasers

    Alexander A. Kaminskii;Ken-ichi Ueda;Hans J. Eichler;Yasuhiko Kuwano

  • Stable Operation of a 300-m Laser Interferometer with Sufficient Sensitivity to Detect Gravitational-Wave Events within Our Galaxy

    Masaki Ando;Koji Arai;Ryutaro Takahashi;Gerhard Heinzel

  • Coherent addition of fiber lasers by use of a fiber coupler.

    Akira Shirakawa;Tomoharu Saitou;Tomoki Sekiguchi;Ken-ichi Ueda

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

    Seiji Kawamura;Masaki Ando;Naoki Seto;Shuichi Sato

  • Highly efficient 2% Nd:yttrium aluminum garnet ceramic laser

    Jianren Lu;Mahendra Prabhu;Jianqiu Xu;Ken-ichi Ueda

  • Nd3+:Y2O3 Ceramic Laser

    Jianren Lu;Junhua Lu;Tomoyo Murai;Kazunori Takaichi

  • The absorption characteristics of circular, offset, and rectangular double-clad fibers

    Anping Liu;Kenichi Ueda

  • Promising ceramic laser material: Highly transparent Nd3+:Lu2O3 ceramic

    J. Lu;K. Takaichi;T. Uematsu;A. Shirakawa

  • 72 W Nd:Y3Al5O12 ceramic laser

    Jianren Lu;T. Murai;K. Takaichi;T. Uematsu

  • Characterizations and laser performances of highly transparent Nd3+:Y3Al5O12 laser ceramics

    Hideki Yagi;Takagimi Yanagitani;Kazunori Takaichi;Ken-ichi Ueda

  • The status of DECIGO

    Shuichi Sato;Seiji Kawamura;Masaki Ando;Takashi Nakamura

  • High efficiency nanosecond Raman lasers based on tetragonal PbWO4 crystals

    A.A Kaminskii;C.L McCray;H.R Lee;S.W Lee

  • High-Power Nd:Y3Al5O12 Ceramic Laser

    Jianren Lu;Jie Song;Mahendra Prabhu;Jianqiu Xu

  • LARGE-SCALE CRYOGENIC GRAVITATIONAL WAVE TELESCOPE

    Kazuaki Kuroda;Masatake Ohashi;Shinji Miyoki;Daisuke Tatsumi

  • Monochromator for a soft X-ray photochemistry beamline BL27SU of SPring-8

    H. Ohashi;E. Ishiguro;Y. Tamenori;H. Okumura

  • Yb3+:Y2O3 Ceramics – a Novel Solid-State Laser Material

    Jianren Lu;Kazunori Takaichi;Tomohiro Uematsu;Akira Shirakawa

Frequent Co-Authors

Akira Shirakawa
Akira Shirakawa University of Electro-Communications
A. A. Kaminskii
A. A. Kaminskii Russian Academy of Sciences
Hideki Yagi
Hideki Yagi University of Electro-Communications
Jes Broeng
Jes Broeng Technical University of Denmark
Da Xing
Da Xing South China Normal University
Jerzy Hanuza
Jerzy Hanuza Polish Academy of Sciences
Misao Sasaki
Misao Sasaki University of Erlangen-Nuremberg
Masaru Shibata
Masaru Shibata Kyoto University
Kunihito Ioka
Kunihito Ioka Kyoto University
Jun'ichi Yokoyama
Jun'ichi Yokoyama University of Tokyo

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