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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 66 7477 6779 494 464 351 12405

Keitaro Yoshihara publications per year

The chart shows the history of publications by Keitaro Yoshihara between 1962 and 2018, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Keitaro Yoshihara published across 57 years, from 1962 to 2018, averaging 6.6 papers a year. Output peaked at 29 publications in 1993. 1 of the 376 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1962 to 2018. Vertical axis: number of publications, 0 to 29. Peak 29 publications in 1993. 1962: 1 publication 1963: 1 publication 1964: 0 publications 1965: 1 publication 1966: 1 publication 1967: 0 publications 1968: 0 publications 1969: 1 publication 1970: 0 publications 1971: 8 publications 1972: 9 publications 1973: 1 publication 1974: 5 publications 1975: 0 publications 1976: 1 publication 1977: 1 publication 1978: 3 publications 1979: 5 publications 1980: 9 publications 1981: 8 publications 1982: 11 publications 1983: 20 publications 1984: 14 publications 1985: 14 publications 1986: 12 publications 1987: 16 publications 1988: 12 publications 1989: 11 publications 1990: 14 publications 1991: 16 publications 1992: 22 publications 1993: 29 publications 1994: 16 publications 1995: 16 publications 1996: 20 publications 1997: 12 publications 1998: 11 publications 1999: 9 publications 2000: 10 publications 2001: 11 publications 2002: 5 publications 2003: 4 publications 2004: 1 publication 2005: 2 publications 2006: 3 publications 2007: 2 publications 2008: 2 publications 2009: 2 publications 2010: 0 publications 2011: 1 publication 2012: 1 publication 2013: 0 publications 2014: 1 publication 2015: 0 publications 2016: 0 publications 2017: 0 publications 2018: 1 publication
1962 2018

376 publications in total across all disciplines

View publications per year as a table
Keitaro Yoshihara: publications per year, 1962 to 2018
Year Publications
1962 1
1963 1
1964 0
1965 1
1966 1
1967 0
1968 0
1969 1
1970 0
1971 8
1972 9
1973 1
1974 5
1975 0
1976 1
1977 1
1978 3
1979 5
1980 9
1981 8
1982 11
1983 20
1984 14
1985 14
1986 12
1987 16
1988 12
1989 11
1990 14
1991 16
1992 22
1993 29
1994 16
1995 16
1996 20
1997 12
1998 11
1999 9
2000 10
2001 11
2002 5
2003 4
2004 1
2005 2
2006 3
2007 2
2008 2
2009 2
2010 0
2011 1
2012 1
2013 0
2014 1
2015 0
2016 0
2017 0
2018 1
Total 376
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Keitaro Yoshihara 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 Keitaro Yoshihara 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: 351 publications — 73rd percentile

73% 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
341–360 628 351
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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Keitaro Yoshihara 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 Keitaro Yoshihara 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, 66–67 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: 66 D-Index — 60th percentile

60% 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
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 66
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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Overview

Keitaro Yoshihara is affiliated with Tokyo Metropolitan University in Japan. Their academic work is associated with this institution, contributing to the scientific community through research activities linked to the university.

While specific details about their research subjects, recent papers, co-authors, and publication venues are not listed, their presence at a university with a strong academic environment suggests involvement in scholarly activities consistent with the institution's academic standards.

No recorded awards have been attributed to Keitaro Yoshihara in the given data. Likewise, there are no entries for published books, main or subfields of study, or predominant topics of research linked to their profile.

The absence of documented publications or collaborations in the provided data indicates limited publicly available information on the specifics of their research output or focus areas at this time.

Best Publications

  • Femtosecond Electron-Transfer Dynamics at a Sensitizing Dye−Semiconductor (TiO2) Interface

    Julie M. Rehm;George L. McLendon;Yutaka Nagasawa;Keitaro Yoshihara

  • Fluorescence decays and spectral properties of rhodamine B in submono-, mono-, and multilayer systems

    Klaus Kemnitz;Naoto Tamai;Iwao Yamazaki;Nobuaki Nakashima

  • PICOSECOND FLUORESCENCE LIFETIMES OF ANTHRAQUINONE DERIVATIVES. RADIATIONLESS DEACTIVATION VIA INTRA- AND INTERMOLECULAR HYDROGEN BONDS

    H. Inoue;M. Hida;N. Nakashima;K. Yoshihara

  • Intramolecular electronic relaxation and photoisomerization processes in the isolated azabenzene molecules pyridine, pyrazine and pyrimidine

    Iwao Yamazaki;Toshiro Murao;Takaya Yamanaka;Keitaro Yoshihara

  • Investigation of the dynamic processes of the excited states of o-hydroxybenzaldehyde and o-hydroxyacetophenone by emission and picosecond spectroscopy

    Shinichi Nagaoka;Noboru Hirota;Minoru Sumitani;Keitaro Yoshihara

  • Temperature dependence of fluorescence lifetimes of trans-stilbene

    M. Sumitani;N. Nakashima;K. Yoshihara;S. Nagakura

  • Entropy-driven dimerization of xanthene dyes in nonpolar solution and temperature-dependent fluorescence decay of dimers

    Klaus Kemnitz;Keitaro Yoshihara

  • EFFECTS OF THE SOLVENT DYNAMICS AND VIBRATIONAL MOTIONS IN ELECTRON TRANSFER

    Keitaro Yoshihara;Keisuke Tominaga;Yutaka Nagasawa

  • EXCITATION ENERGY TRANSFER IN THE LIGHT HARVESTING ANTENNA SYSTEM OF THE RED ALGA Porphyridium cruentum AND THE BLUE‐GREEN ALGA Anacystis nidulans: ANALYSIS OF TIME‐RESOLVED FLUORESCENCE SPECTRA

    I. Yamazaki;M. Mimuro;T. Murao;T. Yamazaki

  • Dynamic Aspects of Ultrafast Intermolecular Electron Transfer Faster Than Solvation Process: Substituent Effects and Energy Gap Dependence

    Yutaka Nagasawa;Arkadiy P. Yartsev;Keisuke Tominaga;Prem B. Bisht

  • Femtosecond intermolecular electron transfer in diffusionless, weakly polar systems: nile blue in aniline and N,N-dimethylaniline

    Tohru Kobayashi;Yoshihiro Takagi;Hideki Kandori;Klaus Kemnitz

  • Laser flash photolysis of benzene. VIII. Formation of hot benzene from the S2 state and its collisional deactivation

    Nobuaki Nakashima;Keitaro Yoshihara

  • SUBSTITUENT EFFECT AND DEUTERIUM ISOTOPE EFFECT OF ULTRAFAST INTERMOLECULAR ELECTRON TRANSFER : COUMARIN IN ELECTRON-DONATING SOLVENT

    Hideaki Shirota;Haridas Pal;Keisuke Tominaga;Keitaro Yoshihara

  • Large third-order optical nonlinearity of self-assembled porphyrin oligomers.

    Unknown

  • Fifth‐order nonlinear spectroscopy on the low‐frequency modes of liquid CS2

    Keisuke Tominaga;Keitaro Yoshihara

  • Subpicosecond transient absorption study of intermolecular electron transfer between solute and electron-donating solvents

    Hideki Kandori;Klaus Kemnitz;Keitaro Yoshihara

  • Is the nonradiative decay of S1 cis-stilbene due to the dihydrophenanthrene isomerization channel? Suggestive evidence from photophysical measurements on 1,2-diphenylcycloalkenes

    Hrvoje. Petek;Keitaro. Yoshihara;Yoshihisa. Fujiwara;Zhe. Lin

  • Excited state enol‐keto tautomerization in salicylic acid: A supersonic free jet study

    Prem B. Bisht;Hrvoje Petek;Keitaro Yoshihara;Umpei Nagashima

  • Investigation of the dynamic processes of the excited states of o-hydroxybenzaldehyde and its derivatives. 2. Effects of structural change and solvent

    Shinichi Nagaoka;Noboru Hirota;Minoru Sumitani;Keitaro Yoshihara

  • Transient luminescence studies of electron injection in dye sensitised nanocrystalline TiO2 films

    Yasuhiro Tachibana;Igor V Rubtsov;Ivan Montanari;Keitaro Yoshihara

  • Picosecond kinetics of light-induced electron transfer from J-aggregated cyanine dyes to silver bromide microcrystals: effect of aggregate size

    Tadaaki Tani;Takeshi Suzumoto;Klaus Kemnitz;Keitaro Yoshihara

Frequent Co-Authors

Nobuaki Nakashima
Nobuaki Nakashima Osaka Metropolitan University
Saburo Nagakura
Saburo Nagakura University of Tokyo
Hideki Kandori
Hideki Kandori Nagoya Institute of Technology
Hrvoje Petek
Hrvoje Petek University of Pittsburgh
Bongsoo Kim
Bongsoo Kim Pusan National University
Stephen R. Meech
Stephen R. Meech University of East Anglia
Hideaki Shirota
Hideaki Shirota Chiba University
Haridas Pal
Haridas Pal Homi Bhabha National Institute
Iwao Yamazaki
Iwao Yamazaki Hokkaido University
Mitsuo Tasumi
Mitsuo Tasumi University of Tokyo

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