World's Best Scientists 2026 revealed!
Toshiya Watanabe

Toshiya Watanabe

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 43 12187 11784 761 725 100 24722

Toshiya Watanabe publications per year

The chart shows the history of publications by Toshiya Watanabe between 1970 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Toshiya Watanabe published across 56 years, from 1970 to 2025, averaging 4 papers a year. Output peaked at 17 publications in 2000. 2 of the 224 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1970 to 2025. Vertical axis: number of publications, 0 to 17. Peak 17 publications in 2000. 1970: 1 publication 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 1 publication 1975: 2 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 1 publication 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 2 publications 1986: 0 publications 1987: 2 publications 1988: 1 publication 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 3 publications 1993: 5 publications 1994: 0 publications 1995: 7 publications 1996: 5 publications 1997: 6 publications 1998: 7 publications 1999: 7 publications 2000: 17 publications 2001: 14 publications 2002: 15 publications 2003: 17 publications 2004: 4 publications 2005: 17 publications 2006: 10 publications 2007: 1 publication 2008: 4 publications 2009: 8 publications 2010: 17 publications 2011: 10 publications 2012: 4 publications 2013: 2 publications 2014: 3 publications 2015: 2 publications 2016: 6 publications 2017: 4 publications 2018: 7 publications 2019: 2 publications 2020: 2 publications 2021: 1 publication 2022: 3 publications 2023: 1 publication 2024: 1 publication 2025: 1 publication
1970 2025

224 publications in total across all disciplines

View publications per year as a table
Toshiya Watanabe: publications per year, 1970 to 2025
Year Publications
1970 1
1971 0
1972 0
1973 0
1974 1
1975 2
1976 0
1977 0
1978 0
1979 0
1980 0
1981 1
1982 0
1983 0
1984 1
1985 2
1986 0
1987 2
1988 1
1989 0
1990 0
1991 0
1992 3
1993 5
1994 0
1995 7
1996 5
1997 6
1998 7
1999 7
2000 17
2001 14
2002 15
2003 17
2004 4
2005 17
2006 10
2007 1
2008 4
2009 8
2010 17
2011 10
2012 4
2013 2
2014 3
2015 2
2016 6
2017 4
2018 7
2019 2
2020 2
2021 1
2022 3
2023 1
2024 1
2025 1
Total 224
Download as CSV

Toshiya Watanabe publication distribution in Materials Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Materials Science in 2026. The highlighted bar marks where Toshiya Watanabe sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 57 bars. Horizontal axis: publications, 50–69 to 1,163+. Vertical axis: number of scientists, 0 to 891. Most scientists, 891, have 190–209 publications. The last bar groups every scientist with 1,163 publications or more. The highlighted bar, 90–109 publications, is where this scientist sits. 50–69 publications: 28 scientists 70–89 publications: 152 scientists 90–109 publications: 356 scientists 110–129 publications: 487 scientists 130–149 publications: 723 scientists 150–169 publications: 835 scientists 170–189 publications: 850 scientists 190–209 publications: 891 scientists 210–229 publications: 862 scientists 230–249 publications: 766 scientists 250–269 publications: 726 scientists 270–289 publications: 665 scientists 290–309 publications: 593 scientists 310–329 publications: 537 scientists 330–349 publications: 477 scientists 350–369 publications: 440 scientists 370–389 publications: 356 scientists 390–409 publications: 321 scientists 410–429 publications: 256 scientists 430–449 publications: 246 scientists 450–469 publications: 216 scientists 470–489 publications: 212 scientists 490–509 publications: 174 scientists 510–529 publications: 194 scientists 530–549 publications: 162 scientists 550–569 publications: 131 scientists 570–589 publications: 111 scientists 590–609 publications: 103 scientists 610–629 publications: 99 scientists 630–649 publications: 77 scientists 650–669 publications: 92 scientists 670–689 publications: 56 scientists 690–709 publications: 53 scientists 710–729 publications: 53 scientists 730–749 publications: 38 scientists 750–769 publications: 52 scientists 770–789 publications: 43 scientists 790–809 publications: 38 scientists 810–829 publications: 34 scientists 830–849 publications: 25 scientists 850–869 publications: 18 scientists 870–889 publications: 20 scientists 890–909 publications: 24 scientists 910–929 publications: 27 scientists 930–949 publications: 20 scientists 950–969 publications: 17 scientists 970–989 publications: 10 scientists 990–1,009 publications: 16 scientists 1,010–1,029 publications: 13 scientists 1,030–1,049 publications: 12 scientists 1,050–1,069 publications: 9 scientists 1,070–1,089 publications: 8 scientists 1,090–1,109 publications: 7 scientists 1,110–1,129 publications: 9 scientists 1,130–1,149 publications: 2 scientists 1,150–1,162 publications: 5 scientists 1,163+ publications: 100 scientists
50–69 publications 1,163+

This scientist: 100 publications — 3rd percentile

3% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,163 publications or more.

View publications distribution as a table
Number of Materials Science scientists by publication count, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
Publications Scientists This scientist
50–69 28
70–89 152
90–109 356 100
110–129 487
130–149 723
150–169 835
170–189 850
190–209 891
210–229 862
230–249 766
250–269 726
270–289 665
290–309 593
310–329 537
330–349 477
350–369 440
370–389 356
390–409 321
410–429 256
430–449 246
450–469 216
470–489 212
490–509 174
510–529 194
530–549 162
550–569 131
570–589 111
590–609 103
610–629 99
630–649 77
650–669 92
670–689 56
690–709 53
710–729 53
730–749 38
750–769 52
770–789 43
790–809 38
810–829 34
830–849 25
850–869 18
870–889 20
890–909 24
910–929 27
930–949 20
950–969 17
970–989 10
990–1,009 16
1,010–1,029 13
1,030–1,049 12
1,050–1,069 9
1,070–1,089 8
1,090–1,109 7
1,110–1,129 9
1,130–1,149 2
1,150–1,162 5
1,163+ 100
Download as CSV

Toshiya Watanabe D-index placement in Materials Science in 2026

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

No. of scientists
200 400 600
Bar chart with 64 bars. Horizontal axis: D-Index, 40–41 to 165+. Vertical axis: number of scientists, 0 to 667. Most scientists, 667, have 52–53 D-Index. The last bar groups every scientist with 165 D-Index or more. The highlighted bar, 42–43 D-Index, is where this scientist sits. 40–41 D-Index: 211 scientists 42–43 D-Index: 450 scientists 44–45 D-Index: 612 scientists 46–47 D-Index: 612 scientists 48–49 D-Index: 598 scientists 50–51 D-Index: 657 scientists 52–53 D-Index: 667 scientists 54–55 D-Index: 621 scientists 56–57 D-Index: 597 scientists 58–59 D-Index: 610 scientists 60–61 D-Index: 587 scientists 62–63 D-Index: 606 scientists 64–65 D-Index: 533 scientists 66–67 D-Index: 490 scientists 68–69 D-Index: 469 scientists 70–71 D-Index: 378 scientists 72–73 D-Index: 421 scientists 74–75 D-Index: 359 scientists 76–77 D-Index: 323 scientists 78–79 D-Index: 299 scientists 80–81 D-Index: 230 scientists 82–83 D-Index: 210 scientists 84–85 D-Index: 195 scientists 86–87 D-Index: 203 scientists 88–89 D-Index: 175 scientists 90–91 D-Index: 175 scientists 92–93 D-Index: 142 scientists 94–95 D-Index: 121 scientists 96–97 D-Index: 117 scientists 98–99 D-Index: 107 scientists 100–101 D-Index: 88 scientists 102–103 D-Index: 85 scientists 104–105 D-Index: 68 scientists 106–107 D-Index: 62 scientists 108–109 D-Index: 57 scientists 110–111 D-Index: 45 scientists 112–113 D-Index: 49 scientists 114–115 D-Index: 50 scientists 116–117 D-Index: 34 scientists 118–119 D-Index: 38 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 29 scientists 124–125 D-Index: 28 scientists 126–127 D-Index: 24 scientists 128–129 D-Index: 33 scientists 130–131 D-Index: 28 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 20 scientists 136–137 D-Index: 23 scientists 138–139 D-Index: 17 scientists 140–141 D-Index: 12 scientists 142–143 D-Index: 17 scientists 144–145 D-Index: 21 scientists 146–147 D-Index: 13 scientists 148–149 D-Index: 11 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 13 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 4 scientists 162–163 D-Index: 4 scientists 164 D-Index: 3 scientists 165+ D-Index: 98 scientists
40–41 D-Index 165+

This scientist: 43 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 165 D-Index or more.

View D-Index distribution as a table
Number of Materials Science scientists by D-index, Research.com 2026 ranking edition. Based on 12,847 ranked scientists.
D-Index Scientists This scientist
40–41 211
42–43 450 43
44–45 612
46–47 612
48–49 598
50–51 657
52–53 667
54–55 621
56–57 597
58–59 610
60–61 587
62–63 606
64–65 533
66–67 490
68–69 469
70–71 378
72–73 421
74–75 359
76–77 323
78–79 299
80–81 230
82–83 210
84–85 195
86–87 203
88–89 175
90–91 175
92–93 142
94–95 121
96–97 117
98–99 107
100–101 88
102–103 85
104–105 68
106–107 62
108–109 57
110–111 45
112–113 49
114–115 50
116–117 34
118–119 38
120–121 37
122–123 29
124–125 28
126–127 24
128–129 33
130–131 28
132–133 21
134–135 20
136–137 23
138–139 17
140–141 12
142–143 17
144–145 21
146–147 13
148–149 11
150–151 14
152–153 13
154–155 9
156–157 10
158–159 7
160–161 4
162–163 4
164 3
165+ 98
Download as CSV

Overview

Toshiya Watanabe is affiliated with the University of Tokyo in Japan. Their research primarily focuses on environmental science, computer science, and engineering, with notable work in several subfields including artificial intelligence, global and planetary change, electrical and electronic engineering, renewable energy, sustainability and the environment, and atmospheric science.

Their research covers a range of topics relating to the interaction between solar radiation and atmospheric phenomena. They have contributed to the areas of solar radiation and photovoltaics, atmospheric aerosols and clouds, photovoltaic system optimization techniques, energy load and power forecasting, meteorological phenomena and simulations, climate variability and models, and solar thermal and photovoltaic systems.

Frequent collaborators include Kazutaka Oka, Yasuaki Hijioka, Daisuke Nohara, Hideaki Takenaka, and Masamichi Ohba.

Toshiya Watanabe's work has been published in various scientific venues such as:

  • Solar Energy
  • Earth and Space Science
  • Meteorological Applications
  • IFAC-PapersOnLine
  • Journal of Applied Meteorology and Climatology

Notable papers authored or co-authored by Toshiya Watanabe include:

  • "Post-processing correction method for surface solar irradiance forecast data from the numerical weather model using geostationary satellite observation data," 2021, Solar Energy
  • "Framework of Forecast Verification of Surface Solar Irradiance From a Numerical Weather Prediction Model Using Classification With a Gaussian Mixture Model," 2020, Earth and Space Science
  • "Assessment of characteristics of surface solar irradiance on consecutive days using a self-organizing map and clustering methods," 2021, Meteorological Applications
  • "Quantification of Effects of Errors in the Cloud Properties on the Representation of the Surface Downward Shortwave Flux Based on MERRA-2 in Japan," 2022, Journal of Applied Meteorology and Climatology
  • "Probabilistic Wind Power Prediction Based on Ensemble Weather Forecasting," 2020, IFAC-PapersOnLine

Best Publications

  • Light-induced amphiphilic surfaces

    Rong Wang;Kazuhito Hashimoto;Akira Fujishima;Makota Chikuni

  • A plasmonic photocatalyst consisting of silver nanoparticles embedded in titanium dioxide.

    Koichi Awazu;Makoto Fujimaki;Carsten Rockstuhl;Junji Tominaga

  • Effects of the Surface Roughness on Sliding Angles of Water Droplets on Superhydrophobic Surfaces

    Masashi Miwa;Akira Nakajima;Akira Fujishima;Kazuhito Hashimoto, ,† and

  • Effects of Surface Structure on the Hydrophobicity and Sliding Behavior of Water Droplets

    Zen Yoshimitsu;Akira Nakajima;Toshiya Watanabe;Kazuhito Hashimoto

  • Detection of active oxidative species in TiO2 photocatalysis using the fluorescence technique

    Ken-ichi Ishibashi;Akira Fujishima;Toshiya Watanabe;Kazuhito Hashimoto

  • Photocatalytic activity and photoinduced hydrophilicity of titanium dioxide coated glass

    T Watanabe;A Nakajima;R Wang;M Minabe

  • Photogeneration of Highly Amphiphilic TiO2 Surfaces

    Rong Wang;Kazuhito Hashimoto;Akira Fujishima;Makoto Chikuni

  • Recent Studies on Super-Hydrophobic Films

    Akira Nakajima;Kazuhito Hashimoto;Toshiya Watanabe

  • Transparent Superhydrophobic Thin Films with Self-Cleaning Properties

    Akira Nakajima;Kazuhito Hashimoto;Toshiya Watanabe;Kennichi Takai

  • Studies on photokilling of bacteria on TiO2 thin film

    Kayano Sunada;Toshiya Watanabe;Kazuhito Hashimoto

  • Preparation of Transparent Superhydrophobic Boehmite and Silica Films by Sublimation of Aluminum Acetylacetonate

    A. Nakajima;A. Fujishima;K. Hashimoto;T. Watanabe

  • Photoinduced Surface Wettability Conversion of ZnO and TiO2 Thin Films

    Ren-De Sun;Akira Nakajima;Akira Fujishima;Toshiya Watanabe

  • Quantum yields of active oxidative species formed on TiO2 photocatalyst

    Ken-ichi Ishibashi;Akira Fujishima;Toshiya Watanabe;Kazuhito Hashimoto

  • Studies of Surface Wettability Conversion on TiO2 Single-Crystal Surfaces

    Rong Wang;Nobuyuki Sakai;Akira Fujishima;and Toshiya Watanabe

  • Photocatalysis and Photoinduced Hydrophilicity of Various Metal Oxide Thin Films

    Masahiro Miyauchi;Akira Nakajima;Toshiya Watanabe, ,† and;Kazuhito Hashimoto

  • Measurement of the extinction coefficient of the methyl viologen cation radical and the efficiency of its formation by semiconductor photocatalysis

    Tadashi Watanabe;Kenichi Honda

  • Quantitative Evaluation of the Photoinduced Hydrophilic Conversion Properties of TiO2 Thin Film Surfaces by the Reciprocal of Contact Angle

    Nobuyuki Sakai;Akira Fujishima;Toshiya Watanabe;Kazuhito Hashimoto

  • Method for photocatalytically rendering a surface of a substrate superhydrophilic, a substrate with superhydrophilic photocatalytic surface, and method of making thereof

    Makoto Hayakawa;Eiichi Kojima;Keiichiro Norimoto;Mitsuyoshi Machida

  • Bactericidal Activity of Copper-Deposited TiO2 Thin Film under Weak UV Light Illumination

    Kayano Sunada;Toshiya Watanabe;Kazuhito Hashimoto

  • Enhancement of the Photoinduced Hydrophilic Conversion Rate of TiO2 Film Electrode Surfaces by Anodic Polarization

    Nobuyuki Sakai;Akira Fujishima;and Toshiya Watanabe;Kazuhito Hashimoto

  • Preparation of hard super-hydrophobic films with visible light transmission

    Akira Nakajima;Kouki Abe;Kazuhito Hashimoto;Toshiya Watanabe

  • Effect of Ultrasonic Treatment on Highly Hydrophilic TiO2 Surfaces

    Nobuyuki Sakai;Rong Wang;Akira Fujishima;Toshiya Watanabe

  • Photoinduced Surface Reactions on TiO2 and SrTiO3 Films: Photocatalytic Oxidation and Photoinduced Hydrophilicity

    Masahiro Miyauchi;Akira Nakajima;Akira Fujishima;Kazuhito Hashimoto, ,† and

  • Reversible wettability control of TiO2 surface by light irradiation

    Masahiro Miyauchi;Nobuo Kieda;Shunichi Hishita;Takefumi Mitsuhashi

Frequent Co-Authors

Kazuhito Hashimoto
Kazuhito Hashimoto National Institute for Materials Science
Akira Nakajima
Akira Nakajima Tokyo Institute of Technology
Yoshikazu Kameshima
Yoshikazu Kameshima Okayama University
Kiyoshi Okada
Kiyoshi Okada Tokyo Institute of Technology
Akira Fujishima
Akira Fujishima University of Shanghai for Science and Technology
Masahiro Miyauchi
Masahiro Miyauchi Tokyo Institute of Technology
Tamotsu Inabe
Tamotsu Inabe Hokkaido University
Yusei Maruyama
Yusei Maruyama Hosei University
Kenichi Honda
Kenichi Honda University of Tokyo
Shen Ye
Shen Ye Tohoku University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Best Scientists Citing Toshiya Watanabe

Trending Scientists

Recently Published Articles