World's Best Scientists 2026 revealed!
Kohei Tamao

Kohei Tamao

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 82 3093 2789 179 167 457 23847

Kohei Tamao publications per year

The chart shows the history of publications by Kohei Tamao between 1966 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kohei Tamao published across 61 years, from 1966 to 2026, averaging 7.5 papers a year. Output peaked at 56 publications in 2002. 1 of the 459 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1966 to 2026. Vertical axis: number of publications, 0 to 56. Peak 56 publications in 2002. 1966: 1 publication 1967: 1 publication 1968: 1 publication 1969: 2 publications 1970: 1 publication 1971: 8 publications 1972: 8 publications 1973: 12 publications 1974: 6 publications 1975: 10 publications 1976: 5 publications 1977: 7 publications 1978: 7 publications 1979: 6 publications 1980: 10 publications 1981: 2 publications 1982: 12 publications 1983: 8 publications 1984: 16 publications 1985: 0 publications 1986: 5 publications 1987: 11 publications 1988: 12 publications 1989: 10 publications 1990: 11 publications 1991: 2 publications 1992: 10 publications 1993: 3 publications 1994: 6 publications 1995: 12 publications 1996: 19 publications 1997: 17 publications 1998: 14 publications 1999: 15 publications 2000: 17 publications 2001: 20 publications 2002: 56 publications 2003: 14 publications 2004: 9 publications 2005: 8 publications 2006: 8 publications 2007: 7 publications 2008: 5 publications 2009: 5 publications 2010: 6 publications 2011: 10 publications 2012: 4 publications 2013: 1 publication 2014: 6 publications 2015: 4 publications 2016: 4 publications 2017: 1 publication 2018: 1 publication 2019: 1 publication 2020: 1 publication 2021: 0 publications 2022: 0 publications 2023: 0 publications 2024: 0 publications 2025: 0 publications 2026: 1 publication
1966 2026

459 publications in total across all disciplines

View publications per year as a table
Kohei Tamao: publications per year, 1966 to 2026
Year Publications
1966 1
1967 1
1968 1
1969 2
1970 1
1971 8
1972 8
1973 12
1974 6
1975 10
1976 5
1977 7
1978 7
1979 6
1980 10
1981 2
1982 12
1983 8
1984 16
1985 0
1986 5
1987 11
1988 12
1989 10
1990 11
1991 2
1992 10
1993 3
1994 6
1995 12
1996 19
1997 17
1998 14
1999 15
2000 17
2001 20
2002 56
2003 14
2004 9
2005 8
2006 8
2007 7
2008 5
2009 5
2010 6
2011 10
2012 4
2013 1
2014 6
2015 4
2016 4
2017 1
2018 1
2019 1
2020 1
2021 0
2022 0
2023 0
2024 0
2025 0
2026 1
Total 459
Download as CSV

Kohei Tamao 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 Kohei Tamao 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, 441–460 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: 457 publications — 85th percentile

85% 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
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270 457
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
Download as CSV

Kohei Tamao 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 Kohei Tamao 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, 82–83 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: 82 D-Index — 83rd percentile

83% 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
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292 82
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
Download as CSV

Overview

Kohei Tamao is affiliated with Kyoto University in Japan and focuses research efforts within the broad domain of Materials Science, specifically concentrating on Materials Chemistry.

The scientist's body of work primarily investigates crystallization and solubility studies alongside methods involving X-ray diffraction in crystallography. These topics have consistently been the core subjects throughout their publications.

Kohei Tamao has contributed to research published in The Cambridge Structural Database, with notable papers including:

  • CCDC 1960052: Experimental Crystal Structure Determination, 2020, The Cambridge Structural Database
  • CCDC 1960054: Experimental Crystal Structure Determination, 2020, The Cambridge Structural Database

Collaborations are a significant aspect of their research practice. Frequent co-authors include:

  • Naoko Fujita
  • Liangchun Li
  • Nicolas Lentz
  • Shigeaki Konaka
  • Airi Kuroda

The scientific contributions by Kohei Tamao are concentrated within a specialized area of materials chemistry, emphasizing experimental methods related to crystal structures. Their work appearing in The Cambridge Structural Database highlights an engagement with data-intensive crystallographic techniques and structural analysis.

Best Publications

  • Selective carbon-carbon bond formation by cross-coupling of Grignard reagents with organic halides. Catalysis by nickel-phosphine complexes

    Kohei Tamao;Koji Sumitani;Makoto Kumada

  • NICKEL-PHOSPHINE COMPLEX-CATALYZED GRIGNARD COUPLING. I. CROSS-COUPLING OF ALKYL, ARYL, AND ALKENYL GRIGNARD REAGENTS WITH ARYL AND ALKENYL HALIDES- GENERAL SCOPE AND LIMITATIONS

    Kohei Tamao;Koji Sumitani;Yoshihisa Kiso;Michio Zembayashi

  • Colorimetric fluoride ion sensing by boron-containing pi-electron systems.

    Shigehiro Yamaguchi;Seiji Akiyama;Kohei Tamao

  • Silole Derivatives as Efficient Electron Transporting Materials

    Kohei Tamao;Manabu Uchida;Takenori Izumizawa;Kenji Furukawa

  • Silafunctional compounds in organic synthesis. Part 20. Hydrogen peroxide oxidation of the silicon-carbon bond in organoalkoxysilanes

    Kohei Tamao;Neyoshi Ishida;Tatsu Tanaka;Makoto Kumada

  • Dibenzoborole-containing pi-electron systems: remarkable fluorescence change based on the "on/off" control of the p(pi)-pi* conjugation.

    Shigehiro Yamaguchi;Toshiaki Shirasaka;Seiji Akiyama;Kohei Tamao

  • Silole-containing σ- and π-conjugated compounds

    Shigehiro Yamaguchi;Kohei Tamao

  • A Colorimetric and Ratiometric Fluorescent Chemosensor with Three Emission Changes: Fluoride Ion Sensing by a Triarylborane– Porphyrin Conjugate

    Yohei Kubo;Masashi Yamamoto;Masato Ikeda;Masayuki Takeuchi

  • A key role of orbital interaction in the main group element-containing π-electron systems

    Shigehiro Yamaguchi;Kohei Tamao

  • Theoretical Study of the Electronic Structure of 2,2'-Bisilole in Comparison with 1,1'-Bi-1,3-cyclopentadiene : σ^*-π^* Conjugation and a Low-Lying LUMO as the Origin of the Unusual Optical Properties of 3,3',4,4'-Tetraphenyl-2,2'-bisilole^

    Shigehiro Yamaguchi;Kohei Tamao

  • Tri-9-anthrylborane and Its Derivatives: New Boron-Containing π-Electron Systems with Divergently Extended π-Conjugation through Boron

    Shigehiro Yamaguchi;Seiji Akiyama;Kohei Tamao

  • Alkyl group isomerization in the cross-coupling reaction of secondary alkyl Grignard reagents with organic halides in the presence of nickel-phosphine complexes as catalysts

    Kohei Tamao;Yoshihisa Kiso;Koji Sumitani;Makoto Kumada

  • Toward New Materials for Organic Electroluminescent Devices: Synthesis, Structures, and Properties of a Series of 2, 5-Diaryl-3,4-diphenylsiloles

    Shigehiro Yamaguchi;Tomonori Endo;Manabu Uchida;Takenori Izumizawa

  • Pentacoordinate anionic bis(siliconates) containing a fluorine bridge between two silicon atoms. Synthesis, solid-state structures, and dynamic behavior in solution

    Kohei Tamao;Takashi Hayashi;Yoshihiko Ito;Motoo Shiro

  • The Double N‐Arylation of Primary Amines: Toward Multisubstituted Carbazoles with Unique Optical Properties

    Kyoko Nozaki;Kyoko Nozaki;Keita Takahashi;Koji Nakano;Tamejiro Hiyama

  • Tridurylboranes extended by three arylethynyl groups as a new family of boron-based pi-electron systems

    Shigehiro Yamaguchi;Toshiaki Shirasaka;Kohei Tamao

  • A stable germanone as the first isolated heavy ketone with a terminal oxygen atom

    Liangchun Li;Tomohide Fukawa;Tsukasa Matsuo;Daisuke Hashizume

  • Nickel-phosphine complex-catalyzed homo coupling of aryl halides in the presence of zinc powder

    Michio Zembayashi;Kohei Tamao;Jun-ichi Yoshida;Makoto Kumada

  • (Diisopropoxymethylsilyl)methyl Grignard reagent: a new, practically useful nucleophilic hydroxymethylating agent

    Kohei Tamao;Neyoshi Ishida;Makoto Kumada

  • High stereoselectivity in asymmetric Grignard cross-coupling catalyzed by nickel complexes of chiral (aminoalkylferrocenyl)phosphines

    Tamio Hayashi;Masatoyo Tajika;Kohei Tamao;Makoto Kumada

Frequent Co-Authors

Makoto Kumada
Makoto Kumada Kyoto University
Shigehiro Yamaguchi
Shigehiro Yamaguchi Nagoya University
Jun-ichi Yoshida
Jun-ichi Yoshida Kyoto University
Yoshihiko Ito
Yoshihiko Ito Kyoto University
Tamio Hayashi
Tamio Hayashi National Taiwan Normal University
Kazuyoshi Tanaka
Kazuyoshi Tanaka Kyoto University
Munetaka Akita
Munetaka Akita Tokyo Institute of Technology
Josef Michl
Josef Michl University of Colorado Boulder
Motoo Shiro
Motoo Shiro Nagoya Institute of Technology

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:

Related Online Degrees & Career Pathways

For students interested in Chemistry, exploring related online degrees can broaden career options. For example, obtaining an online associate degree in criminal justice can open doors to roles in forensic science and law enforcement where chemistry knowledge is valuable.

When considering further education, understanding the criminal justice degree price helps in planning finances, especially for online degrees that offer flexibility without compromising quality.

Some may find paralegal work appealing, which often requires a specialized credential. A paralegal certificate complements scientific backgrounds by providing legal knowledge valuable in patent law or regulatory affairs.

Alternatively, careers in the commercial side of chemistry, such as becoming a pharmaceutical sales representative, can be lucrative. Learn more about the pharma sales rep salary and career paths to assess if this avenue aligns with your goals.

Best Scientists Citing Kohei Tamao

Trending Scientists

Recently Published Articles