World's Best Scientists 2026 revealed!
Hideki Hashimoto

Hideki Hashimoto

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 47 15633 14100 1225 1111 342 8082

Hideki Hashimoto publications per year

The chart shows the history of publications by Hideki Hashimoto between 1977 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hideki Hashimoto published across 49 years, from 1977 to 2025, averaging 7.6 papers a year. Output peaked at 30 publications in 2015. 10 of the 371 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1977 to 2025. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2015. 1977: 1 publication 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 4 publications 1988: 5 publications 1989: 7 publications 1990: 5 publications 1991: 7 publications 1992: 1 publication 1993: 6 publications 1994: 2 publications 1995: 0 publications 1996: 3 publications 1997: 3 publications 1998: 4 publications 1999: 3 publications 2000: 4 publications 2001: 11 publications 2002: 8 publications 2003: 9 publications 2004: 15 publications 2005: 13 publications 2006: 16 publications 2007: 6 publications 2008: 29 publications 2009: 28 publications 2010: 19 publications 2011: 28 publications 2012: 22 publications 2013: 8 publications 2014: 26 publications 2015: 30 publications 2016: 5 publications 2017: 5 publications 2018: 9 publications 2019: 2 publications 2020: 9 publications 2021: 2 publications 2022: 4 publications 2023: 2 publications 2024: 0 publications 2025: 10 publications
1977 2025

371 publications in total across all disciplines

View publications per year as a table
Hideki Hashimoto: publications per year, 1977 to 2025
Year Publications
1977 1
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 4
1988 5
1989 7
1990 5
1991 7
1992 1
1993 6
1994 2
1995 0
1996 3
1997 3
1998 4
1999 3
2000 4
2001 11
2002 8
2003 9
2004 15
2005 13
2006 16
2007 6
2008 29
2009 28
2010 19
2011 28
2012 22
2013 8
2014 26
2015 30
2016 5
2017 5
2018 9
2019 2
2020 9
2021 2
2022 4
2023 2
2024 0
2025 10
Total 371
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Hideki Hashimoto publications per year - data summary

  • Hideki Hashimoto, a Chemistry scholar from Kwansei Gakuin University, has 371 publications recorded across 49 years, from 1977 to 2025.
  • The oldest publication on record dates to 1977 and the most recent to 2025.
  • The most productive year is 2015, with 30 publications.
  • The least productive years with any output are 1977 and 1992, with 1 publication each.
  • 11 of the 49 years in the span carry no publications at all (1978, 1979, 1980, 1981 and others).
  • The rate of publication averages 7.6 papers per year over the whole span, or 9.8 per year counting only the 38 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 18 publications, 5% of the career total.
  • Split into equal eras - 1977-1993: 36 publications (2.1 per year); 1994-2010: 173 publications (10.2 per year); 2011-2025: 162 publications (10.8 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Hideki Hashimoto publication distribution in Chemistry in 2026

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

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 341–360 publications, is where this scientist sits. 61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61–80 publications 1,295+

This scientist: 342 publications — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628 342
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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Hideki Hashimoto publication distribution in Chemistry in 2026 - data summary

  • The chart plots the publication count of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 63 ranges running from 61–80 to 1,295+ publications.
  • Hideki Hashimoto, a Chemistry scholar from Kwansei Gakuin University, records 342 publications - the 71st percentile of the discipline.
  • 71% of ranked Chemistry scientists score the same or lower than Hideki Hashimoto, and about 29% score higher.
  • The median of the discipline falls in the 241–260 publications range, and Hideki Hashimoto ranks above the median.
  • The most crowded range is 161–180 publications, holding 1,350 scientists (8% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 361–380 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 1,295 publications or more, 100 scientists in all (<1% of the field).

Hideki Hashimoto D-index placement in Chemistry in 2026

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

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 46–47 D-Index, is where this scientist sits. 40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40–41 D-Index 159+

This scientist: 47 D-Index — 14th percentile

14% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776 47
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Hideki Hashimoto D-index placement in Chemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 159+ D-Index.
  • Hideki Hashimoto, a Chemistry scholar from Kwansei Gakuin University, records 47 D-Index - the 14th percentile of the discipline.
  • 14% of ranked Chemistry scientists score the same or lower than Hideki Hashimoto, and about 86% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Hideki Hashimoto ranks below the median.
  • The most crowded range is 56–57 D-Index, holding 1,051 scientists (6% of the field).
  • 70% 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 159 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Hideki Hashimoto is affiliated with Kwansei Gakuin University in Japan and has contributed to the field of Biochemistry, Genetics, and Molecular Biology through extensive research. Their work spans several subfields including Molecular Biology, Renewable Energy, Sustainability and the Environment, Electrical and Electronic Engineering, Atomic and Molecular Physics and Optics, and Biochemistry.

The main research topics covered in their publications include:

  • Photosynthetic Processes and Mechanisms
  • Algal biology and biofuel production
  • Spectroscopy and Quantum Chemical Studies
  • Antioxidant Activity and Oxidative Stress
  • Photoreceptor and optogenetics research
  • Organic Electronics and Photovoltaics
  • Conducting polymers and applications

They have published research in several journals, frequently contributing to:

  • Journal of Photochemistry and Photobiology A Chemistry
  • Communications Chemistry
  • Chemistry - A European Journal
  • Molecules
  • Materials Science and Engineering R Reports

Recent publications include:

  • "Astaxanthin: Past, Present, and Future" (2023) in Marine Drugs
  • "A quantum thermometric sensing and analysis system using fluorescent nanodiamonds for the evaluation of living stem cell functions according to intracellular temperature" (2020) in Nanoscale Advances
  • "Photoprotective mechanisms in the core LH1 antenna pigment-protein complex from the purple photosynthetic bacterium, Rhodospirillum rubrum" (2020) in Journal of Photochemistry and Photobiology A Chemistry
  • "Hydroquinone redox mediator enhances the photovoltaic performances of chlorophyll-based bio-inspired solar cells" (2021) in Communications Chemistry
  • "Energy transfer and primary charge separation upon selective femtosecond excitation at 810 nm in the reaction center complex from Heliobacterium modesticaldum" (2020) in Journal of Photochemistry and Photobiology A Chemistry

Frequent collaborators in their research include:

  • Chiasa Uragami
  • Richard J. Cogdell
  • Daisuke Kosumi
  • Shengnan Duan
  • Nao Yukihira

Best Publications

  • Carotenoids and Photosynthesis.

    Hideki Hashimoto;Chiasa Uragami;Richard J. Cogdell

  • Crystal structure of GeTe and Ge2Sb2Te5 meta-stable phase

    Toshihisa Nonaka;Gentaro Ohbayashi;Yoshiharu Toriumi;Yuji Mori

  • Photosynthetic light-harvesting by carotenoids: detection of an intermediate excited state

    G. Cerullo;D. Polli;G. Lanzani;S. De Silvestri

  • Photosynthetic light harvesting by carotenoids: detection of an intermediate excited state.

    G. Cerullo;D. Polli;G. Lanzani;S. De Silvestri

  • The 1Bu+, 1Bu-, and 2Ag- Energies of Crystalline Lycopene, β-Carotene, and Mini-9-β-carotene as Determined by Resonance-Raman Excitation Profiles: Dependence of the 1Bu- State Energy on the Conjugation Length

    Tokutake Sashima and;Yasushi Koyama;Takashi Yamada and;Hideki Hashimoto

  • Vibrational relaxation of the 2 A−g excited state in all-trans-β-carotene obtained by femtosecond time-resolved Raman spectroscopy

    M. Yoshizawa;H. Aoki;H. Hashimoto

  • The CC stretching Raman lines of [β-carotene isomers in the S1 state as detected by pump-probe resonance Raman spectroscopy

    Hideki Hashimoto;Yasushi Koyama

  • Syntheses, structural characterization and photophysical properties of 4-(2-pyridyl)-1,2,3-triazole rhenium(I) complexes.

    Makoto Obata;Asuka Kitamura;Akemi Mori;Chiaki Kameyama

  • Pump-deplete-probe spectroscopy and the puzzle of carotenoid dark states

    Wendel Wohlleben;Tiago Buckup;Hideki Hashimoto;Richard J. Cogdell

  • S1 and T1 species of .beta.-carotene generated by direct photoexcitation from the all-trans, 9-cis, 13-cis, and 15-cis isomers as revealed by picosecond transient absorption and transient Raman spectroscopies

    Hideki Hashimoto;Yasushi Koyama;Yoshinori Hirata;Noboru Mataga

  • Carotenoids and bacterial photosynthesis: The story so far...

    Niall J. Fraser;Hideki Hashimoto;Richard J. Cogdell

  • Astaxanthin: Past, Present, and Future

    Unknown

  • Time-resolved resonance Raman spectroscopy of triplet .beta.-carotene produced from all-trans, 7-cis, 9-cis, 13-cis, and 15-cis isomers and high-pressure liquid chromatography analyses of photoisomerization via the triplet state

    Hideki Hashimoto;Yasushi Koyama

  • Electronic absorption and ground state structure of carotenoid molecules

    Maria M Mendes-Pinto;Elodie Sansiaume;Hideki Hashimoto;Andrew A Pascal

  • Pump-probe and pump-deplete-probe spectroscopies on carotenoids with N=9-15 conjugated bonds.

    Tiago Buckup;Janne Savolainen;Wendel Wohlleben;Jennifer L. Herek

  • Natural and artificial light-harvesting systems utilizing the functions of carotenoids

    Hideki Hashimoto;Yuko Sugai;Chiasa Uragami;Alastair T. Gardiner

  • The dependence of the ultrafast relaxation kinetics of the S2 and S1 states in β-carotene homologs and lycopene on conjugation length studied by femtosecond time-resolved absorption and Kerr-gate fluorescence spectroscopies

    Daisuke Kosumi;Masazumi Fujiwara;Ritsuko Fujii;Richard J. Cogdell

  • Challenges facing an understanding of the nature of low-energy excited states in photosynthesis.

    Jeffrey R. Reimers;Jeffrey R. Reimers;Malgorzata Biczysko;Douglas Bruce;David F. Coker

  • Photocurrent and electronic activities of oriented-His-tagged photosynthetic light-harvesting/reaction center core complexes assembled onto a gold electrode.

    Masaharu Kondo;Kouji Iida;Takehisa Dewa;Hirofumi Tanaka

  • Understanding/unravelling carotenoid excited singlet states

    Hideki Hashimoto;Chiasa Uragami;Nao Yukihira;Alastair T. Gardiner

  • Second-Harmonic Generation from Single Crystals of N-Substituted 4-Nitroanilines

    Hideki Hashimoto;Yoshihiro Okada;Hisashi Fujimura;Motonobu Morioka

  • Conjugation length dependence of internal conversion in carotenoids: role of the intermediate state.

    D. Polli;G. Cerullo;G. Lanzani;S. De Silvestri

  • The Binding of Xanthophylls to the Bulk Light-harvesting Complex of Photosystem II of Higher Plants A SPECIFIC REQUIREMENT FOR CAROTENOIDS WITH A 3-HYDROXY-β-END GROUP

    Denise Phillip;Stephan Hobe;Harald Paulsen;Peter Molnar

Frequent Co-Authors

Richard J. Cogdell
Richard J. Cogdell University of Glasgow
Yasushi Koyama
Yasushi Koyama Kwansei Gakuin University
Harry A. Frank
Harry A. Frank University of Connecticut
Giulio Cerullo
Giulio Cerullo Polytechnic University of Milan
Guglielmo Lanzani
Guglielmo Lanzani Italian Institute of Technology
Bruno Robert
Bruno Robert University of Paris-Saclay
Hitoshi Tamiaki
Hitoshi Tamiaki Ritsumeikan University
Hiromasa Ito
Hiromasa Ito RIKEN Center for Advanced Photonics
Shinichi Shikata
Shinichi Shikata Kwansei Gakuin University

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