World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Materials Science 86 2088 2014 87 85 645 24952
Chemistry 86 2552 2304 143 136 662 25327

Hiroshi Nishihara publications per year

The chart shows the history of publications by Hiroshi Nishihara between 1975 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroshi Nishihara published across 51 years, from 1975 to 2025, averaging 18.2 papers a year. Output peaked at 54 publications in 2017. 31 of the 928 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1975 to 2025. Vertical axis: number of publications, 0 to 54. Peak 54 publications in 2017. 1975: 1 publication 1976: 0 publications 1977: 3 publications 1978: 1 publication 1979: 0 publications 1980: 1 publication 1981: 1 publication 1982: 5 publications 1983: 4 publications 1984: 2 publications 1985: 7 publications 1986: 5 publications 1987: 15 publications 1988: 10 publications 1989: 4 publications 1990: 11 publications 1991: 17 publications 1992: 13 publications 1993: 11 publications 1994: 15 publications 1995: 14 publications 1996: 16 publications 1997: 8 publications 1998: 7 publications 1999: 16 publications 2000: 15 publications 2001: 21 publications 2002: 18 publications 2003: 20 publications 2004: 12 publications 2005: 15 publications 2006: 22 publications 2007: 20 publications 2008: 31 publications 2009: 28 publications 2010: 26 publications 2011: 30 publications 2012: 40 publications 2013: 43 publications 2014: 31 publications 2015: 47 publications 2016: 52 publications 2017: 54 publications 2018: 35 publications 2019: 34 publications 2020: 42 publications 2021: 50 publications 2022: 19 publications 2023: 5 publications 2024: 13 publications 2025: 18 publications
1975 2025

928 publications in total across all disciplines

View publications per year as a table
Hiroshi Nishihara: publications per year, 1975 to 2025
Year Publications
1975 1
1976 0
1977 3
1978 1
1979 0
1980 1
1981 1
1982 5
1983 4
1984 2
1985 7
1986 5
1987 15
1988 10
1989 4
1990 11
1991 17
1992 13
1993 11
1994 15
1995 14
1996 16
1997 8
1998 7
1999 16
2000 15
2001 21
2002 18
2003 20
2004 12
2005 15
2006 22
2007 20
2008 31
2009 28
2010 26
2011 30
2012 40
2013 43
2014 31
2015 47
2016 52
2017 54
2018 35
2019 34
2020 42
2021 50
2022 19
2023 5
2024 13
2025 18
Total 928
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Hiroshi Nishihara publications per year - data summary

  • Hiroshi Nishihara, a Materials Science scholar from Tokyo University of Science, has 928 publications recorded across 51 years, from 1975 to 2025.
  • The oldest publication on record dates to 1975 and the most recent to 2025.
  • The most productive year is 2017, with 54 publications.
  • The least productive years with any output are 1975, 1978, 1980 and 1981, with 1 publication each.
  • 2 of the 51 years in the span carry no publications at all (1976 and 1979).
  • The rate of publication averages 18.2 papers per year over the whole span, or 18.9 per year counting only the 49 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 105 publications, 11% of the career total.
  • Split into equal eras - 1975-1991: 87 publications (5.1 per year); 1992-2008: 274 publications (16.1 per year); 2009-2025: 567 publications (33.4 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Hiroshi Nishihara 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 Hiroshi Nishihara 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, 630–649 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: 645 publications — 94th percentile

94% 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
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 77 645
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
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Hiroshi Nishihara publication distribution in Materials Science in 2026 - data summary

  • The chart plots the publication count of all 12,847 Materials Science scientists ranked by Research.com in 2026, grouped into 57 ranges running from 50–69 to 1,163+ publications.
  • Hiroshi Nishihara, a Materials Science scholar from Tokyo University of Science, records 645 publications - the 94th percentile of the discipline.
  • 94% of ranked Materials Science scientists score the same or lower than Hiroshi Nishihara, and about 6% score higher.
  • The median of the discipline falls in the 250–269 publications range, and Hiroshi Nishihara ranks above the median.
  • The most crowded range is 190–209 publications, holding 891 scientists (7% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 330–349 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,163 publications or more, 100 scientists in all (<1% of the field).

Hiroshi Nishihara 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 Hiroshi Nishihara 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, 86–87 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: 86 D-Index — 84th percentile

84% 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
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 86
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
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Hiroshi Nishihara D-index placement in Materials Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 12,847 Materials Science scientists ranked by Research.com in 2026, grouped into 64 ranges running from 40–41 to 165+ D-Index.
  • Hiroshi Nishihara, a Materials Science scholar from Tokyo University of Science, records 86 D-Index - the 84th percentile of the discipline.
  • 84% of ranked Materials Science scientists score the same or lower than Hiroshi Nishihara, and about 16% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Hiroshi Nishihara ranks above the median.
  • The most crowded range is 52–53 D-Index, holding 667 scientists (5% of the field).
  • 68% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 165 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Hiroshi Nishihara is affiliated with Tokyo University of Science in Japan. Their research primarily focuses on Materials Science, with extensive work in Materials Chemistry, Electrical and Electronic Engineering, and Inorganic Chemistry. Additional research interests include Polymers and Plastics as well as Renewable Energy, Sustainability and the Environment.

The scientist's work covers a range of topics including:

  • Metal-Organic Frameworks: Synthesis and Applications
  • Conducting polymers and applications
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Organic Light-Emitting Diodes Research
  • Luminescence and Fluorescent Materials
  • 2D Materials and Applications

Recent publications by Nishihara include:

  • An Open-shell, Luminescent, Two-Dimensional Coordination Polymer with a Honeycomb Lattice and Triangular Organic Radical (2021, Journal of the American Chemical Society)
  • Radical-Based Coordination Polymers as a Platform for Magnetoluminescence (2021, Journal of the American Chemical Society)
  • Layered metal-organic frameworks and metal-organic nanosheets as functional materials (2022, Coordination Chemistry Reviews)
  • Thermosalience in Macrocycle-Based Soft Crystals via Anisotropic Deformation of Disilanyl Architecture (2020, Journal of the American Chemical Society)
  • A ground-state-dominated magnetic field effect on the luminescence of stable organic radicals (2021, Chemical Science)

Frequent coauthors collaborating with Nishihara include:

  • Hiroaki Maeda
  • Naoya Fukui
  • Kenji Takada
  • Sono Sasaki
  • Yoshinori Yamanoi

The most common venues for Nishihara's publications are:

  • The Cambridge Structural Database
  • Chemistry - A European Journal
  • Small
  • Journal of the American Chemical Society
  • Angewandte Chemie International Edition

Best Publications

  • π-Conjugated Nickel Bis(dithiolene) Complex Nanosheet

    Tetsuya Kambe;Ryota Sakamoto;Ken Hoshiko;Kenji Takada

  • Manganese Compounds as Water-Oxidizing Catalysts: From the Natural Water-Oxidizing Complex to Nanosized Manganese Oxide Structures

    Mohammad Mahdi Najafpour;Gernot Renger;Małgorzata Hołyńska;Atefeh Nemati Moghaddam

  • Crystalline Graphdiyne Nanosheets Produced at a Gas/Liquid or Liquid/Liquid Interface.

    Ryota Matsuoka;Ryota Matsuoka;Ryota Sakamoto;Ryota Sakamoto;Ken Hoshiko;Sono Sasaki

  • Cyclic RGD-linked polymeric micelles for targeted delivery of platinum anticancer drugs to glioblastoma through the blood-brain tumor barrier

    Yutaka Miura;Tomoya Takenaka;Kazuko Toh;Shourong Wu

  • Redox Control and High Conductivity of Nickel Bis(dithiolene) Complex π‑Nanosheet: A Potential Organic Two-Dimensional Topological Insulator

    Tetsuya Kambe;Ryota Sakamoto;Tetsuro Kusamoto;Tigmansu Pal

  • A photofunctional bottom-up bis(dipyrrinato)zinc(II) complex nanosheet

    Ryota Sakamoto;Ken Hoshiko;Qian Liu;Toshiki Yagi

  • Self‐Assembled Layers of Alkanethiols on Copper for Protection Against Corrosion

    Yuichi Yamamoto;Hiroshi Nishihara;Kunitsugu Aramaki

  • Luminescence, Stability, and Proton Response of an Open‐Shell (3,5‐Dichloro‐4‐pyridyl)bis(2,4,6‐trichlorophenyl)methyl Radical

    Yohei Hattori;Tetsuro Kusamoto;Hiroshi Nishihara

  • Electrochromic bis(terpyridine)metal complex nanosheets.

    Kenji Takada;Ryota Sakamoto;Shi Ting Yi;Shunsuke Katagiri

  • Multielectron-Transfer-based Rechargeable Energy Storage of Two-Dimensional Coordination Frameworks with Non-Innocent Ligands

    Keisuke Wada;Keisuke Wada;Ken Sakaushi;Sono Sasaki;Hiroshi Nishihara

  • Photochrome-coupled metal complexes: molecular processing of photon stimuli.

    Shoko Kume;Hiroshi Nishihara

  • Pathways of Progression From Intraductal Papillary Mucinous Neoplasm to Pancreatic Ductal Adenocarcinoma Based on Molecular Features

    Yuko Omori;Yusuke Ono;Mishie Tanino;Hidenori Karasaki

  • Multi-Mode Molecular Switching Properties and Functions of Azo-Conjugated Metal Complexes

    Hiroshi Nishihara

  • Photoluminescence switching of azobenzene-conjugated Pt(II) terpyridine complexes by trans-cis photoisomerization.

    Tomona Yutaka;Ichiro Mori;Masato Kurihara;Jun Mizutani

  • Photosynthetic hydrogen production

    Suleyman I. Allakhverdiev;Velmurugan Thavasi;Vladimir D. Kreslavski;Sergey K. Zharmukhamedov

  • Combination of redox- and photochemistry of azo-conjugated metal complexes

    H. Nishihara

  • A SERS study on inhibition mechanisms of benzotriazole and its derivatives for copper corrosion in sulphate solutions

    Rinju Youda;Hiroshi Nishihara;Kunitsugu Aramaki

  • Coordination nanosheets (CONASHs): strategies, structures and functions

    Ryota Sakamoto;Ryota Sakamoto;Kenji Takada;Tigmansu Pal;Hiroaki Maeda

  • Systemic Targeting of Lymph Node Metastasis through the Blood Vascular System by Using Size-Controlled Nanocarriers.

    Horacio Cabral;Jun Makino;Yu Matsumoto;Peng Mi

  • Bis(aminothiolato)nickel nanosheet as a redox switch for conductivity and an electrocatalyst for the hydrogen evolution reaction

    Xinsen Sun;Kuo Hui Wu;Ryota Sakamoto;Tetsuro Kusamoto

  • Sers and impedance study of the equilibrium between complex formation and adsorption of benzotriazole and 4-hydroxybenzotriazole on a copper electrode in sulphate solutions

    Rinju Youda;Hiroshi Nishihara;Kunitsugu Aramaki

  • Plugging a Molecular Wire into Photosystem I: Reconstitution of the Photoelectric Conversion System on a Gold Electrode

    Nao Terasaki;Noritaka Yamamoto;Takashi Hiraga;Yoshinori Yamanoi

Frequent Co-Authors

Ryota Sakamoto
Ryota Sakamoto Kyoto University
Tetsu Yonezawa
Tetsu Yonezawa Hokkaido University
Eiji Nishibori
Eiji Nishibori University of Tsukuba
Suleyman I. Allakhverdiev
Suleyman I. Allakhverdiev Russian Academy of Sciences
Toshiaki Suhara
Toshiaki Suhara Osaka University
Shinya Tanaka
Shinya Tanaka Hokkaido University
Tatsuya Tomo
Tatsuya Tomo Tokyo University of Science
Kunihisa Sugimoto
Kunihisa Sugimoto Kyoto University
Masayoshi Nakano
Masayoshi Nakano Osaka University
Wai-Yeung Wong
Wai-Yeung Wong Hong Kong Polytechnic University

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