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Kenji Uneyama

Kenji Uneyama

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 54 12514 11261 940 860 283 11917

Kenji Uneyama publications per year

The chart shows the history of publications by Kenji Uneyama between 1966 and 2017, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kenji Uneyama published across 52 years, from 1966 to 2017, averaging 5.5 papers a year. Output peaked at 15 publications in 1991. 1 of the 284 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1966 to 2017. Vertical axis: number of publications, 0 to 15. Peak 15 publications in 1991. 1966: 2 publications 1967: 1 publication 1968: 4 publications 1969: 2 publications 1970: 0 publications 1971: 5 publications 1972: 2 publications 1973: 2 publications 1974: 2 publications 1975: 3 publications 1976: 5 publications 1977: 2 publications 1978: 12 publications 1979: 5 publications 1980: 6 publications 1981: 5 publications 1982: 6 publications 1983: 5 publications 1984: 6 publications 1985: 7 publications 1986: 7 publications 1987: 7 publications 1988: 4 publications 1989: 6 publications 1990: 5 publications 1991: 15 publications 1992: 6 publications 1993: 10 publications 1994: 8 publications 1995: 7 publications 1996: 6 publications 1997: 6 publications 1998: 10 publications 1999: 8 publications 2000: 15 publications 2001: 13 publications 2002: 11 publications 2003: 9 publications 2004: 2 publications 2005: 7 publications 2006: 8 publications 2007: 6 publications 2008: 7 publications 2009: 7 publications 2010: 4 publications 2011: 2 publications 2012: 3 publications 2013: 2 publications 2014: 0 publications 2015: 0 publications 2016: 0 publications 2017: 1 publication
1966 2017

284 publications in total across all disciplines

View publications per year as a table
Kenji Uneyama: publications per year, 1966 to 2017
Year Publications
1966 2
1967 1
1968 4
1969 2
1970 0
1971 5
1972 2
1973 2
1974 2
1975 3
1976 5
1977 2
1978 12
1979 5
1980 6
1981 5
1982 6
1983 5
1984 6
1985 7
1986 7
1987 7
1988 4
1989 6
1990 5
1991 15
1992 6
1993 10
1994 8
1995 7
1996 6
1997 6
1998 10
1999 8
2000 15
2001 13
2002 11
2003 9
2004 2
2005 7
2006 8
2007 6
2008 7
2009 7
2010 4
2011 2
2012 3
2013 2
2014 0
2015 0
2016 0
2017 1
Total 284
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Kenji Uneyama publications per year - data summary

  • Kenji Uneyama, a Chemistry scholar from Okayama University, has 284 publications recorded across 52 years, from 1966 to 2017.
  • The oldest publication on record dates to 1966 and the most recent to 2017.
  • The most productive years are 1991 and 2000, with 15 publications each.
  • The least productive years with any output are 1967 and 2017, with 1 publication each.
  • 4 of the 52 years in the span carry no publications at all (1970, 2014, 2015 and 2016).
  • The rate of publication averages 5.5 papers per year over the whole span, or 5.9 per year counting only the 48 years with at least one publication.
  • The last 5 years on the chart (2013-2017) hold 3 publications, 1% of the career total.
  • Split into equal eras - 1966-1983: 69 publications (3.8 per year); 1984-2001: 146 publications (8.1 per year); 2002-2017: 69 publications (4.3 per year).
  • Comparing the opening and closing eras, the overall trend of publication is broadly steady.

Kenji Uneyama 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 Kenji Uneyama 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, 281–300 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: 283 publications — 59th percentile

59% 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
281–300 939 283
301–320 764
321–340 643
341–360 628
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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Kenji Uneyama 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.
  • Kenji Uneyama, a Chemistry scholar from Okayama University, records 283 publications - the 59th percentile of the discipline.
  • 59% of ranked Chemistry scientists score the same or lower than Kenji Uneyama, and about 41% score higher.
  • The median of the discipline falls in the 241–260 publications range, and Kenji Uneyama 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).

Kenji Uneyama 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 Kenji Uneyama 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, 54–55 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: 54 D-Index — 31st percentile

31% 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 54
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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Kenji Uneyama 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.
  • Kenji Uneyama, a Chemistry scholar from Okayama University, records 54 D-Index - the 31st percentile of the discipline.
  • 31% of ranked Chemistry scientists score the same or lower than Kenji Uneyama, and about 69% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Kenji Uneyama 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

Kenji Uneyama is affiliated with Okayama University in Japan. The available data does not include recent papers, co-authors, or publication venues linked to their work.

There is also no detailed record of publications related to specific fields or subfields of study for Kenji Uneyama. Additionally, no information on main topics or thematic areas within their research is available to further clarify their academic focus.

No book publications or awards have been documented in the provided data, and there is no indication that the scientist is deceased.

Best Publications

  • C-F bond activation in organic synthesis.

    Hideki Amii;Kenji Uneyama

  • One-pot synthesis of trifluoroacetimidoyl halides

    Kenji Tamura;Hiromichi Mizukami;Kazuhiro Maeda;Hisayuki Watanabe

  • α-Trifluoromethylated Carbanion Synthons

    Kenji Uneyama;Toshimasa Katagiri;Hideki Amii

  • Pd-catalyzed asymmetric hydrogenation of alpha-fluorinated iminoesters in fluorinated alcohol: a new and catalytic enantioselective synthesis of fluoro alpha-amino acid derivatives.

    Hajime Abe;Hideki Amii;Kenji Uneyama

  • Mg0-promoted selective C–F bond cleavage of trifluoromethyl ketones: a convenient method for the synthesis of 2,2-difluoro enol silanes

    Hideki Amii;Takeshi Kobayashi;Yasushi Hatamoto;Kenji Uneyama

  • Rh(I)-catalyzed coupling cyclization of N-aryl trifluoroacetimidoyl chlorides with alkynes: one-pot synthesis of fluorinated quinolines.

    Hideki Amii;Yosuke Kishikawa;Kenji Uneyama

  • Fragrant sesquiterpenes from agarwood

    Masakazu Ishihara;Tomoyuki Tsuneya;Kenji Uneyama

  • General Syntheses of Optically Active α-Trifluoromethylated Amines via Ring-Opening Reactions of N-Benzyl-2-trifluoromethylaziridine

    Toshimasa Katagiri;Mikihiro Takahashi;Yasuyuki Fujiwara;Hideki Ihara

  • Catalytic Route to the Synthesis of Optically Active β,β-Difluoroglutamic Acid and β,β-Difluoroproline Derivatives

    Atsushi Suzuki;Masayuki Mae;Hideki Amii;Kenji Uneyama

  • A New C−F Bond-Cleavage Route for the Synthesis of Octafluoro[2.2]paracyclophane

    Hideki Amii;Yasushi Hatamoto;Motoharu Seo;Kenji Uneyama

  • THREE SESQUITERPENES FROM AGARWOOD

    Masakazu Ishihara;Tomoyuki Tsuneya;Minoru Shiga;Kenji Uneyama

  • Guaiane sesquiterpenes from agarwood

    Masakazu Ishihara;Tomoyuki Tsuneya;Kenji Uneyama

  • Generation and recycle use of selenenylating reagents in electrochemical oxyselenenylation-deselenenylation of olefins

    Sigeru Torii;Kenji Uneyama;Michio Ono;Tadashi Bannou

  • Difluorinated Danishefsky's Diene: A Versatile C4 Building Block for the Fluorinated Six-Membered Rings

    Hideki Amii;Takeshi Kobayashi;Hiroshi Terasawa;Kenji Uneyama

  • Electroreductive Defluorination of Trifluoromethyl Ketones and Trifluoroacetic Acid Derivatives.

    Kenji Uneyama;Go Mizutani;Kazushige Maeda;Tsuyoshi Kato

  • First synthesis of 3,3-difluoroserine and cysteine derivatives via Mg(0)-promoted selective CF bond cleavage of trifluoromethylimines

    Masayuki Mae;Hideki Amii;Kenji Uneyama

  • A review of Mg metal-promoted CF bond activation; a reliable synthetic approach to difluorinated organic compounds

    Kenji Uneyama;Hideki Amii

  • Sn(II)-Al-Promoted Allylation of Aldehydes with Allyl Chloride in an Aqueous Solvent System.

    Kenji Uneyama;Nobuyoshi Kamaki;Akihiko Moriya;Sigeru Torii

  • Chemistries of trifluoroacetimidoyl halides: preparation, reactions, and applications for the synthesis of fluorinated heterocycles

    Kenji Uneyama

  • Components of the Volatile Concentrate of Agarwood

    Masakazu Ishihara;Tomoyuki Tsuneya;Kenji Uneyama

  • A new finding in selective Baeyer–Villiger oxidation of α-fluorinated ketones; a new and practical route for the synthesis of α-fluorinated esters

    Satoru Kobayashi;Hiroaki Tanaka;Hideki Amii;Kenji Uneyama

  • Pd‐Catalyzed Asymmetric Hydrogenation of α‐Fluorinated Iminoesters in Fluorinated Alcohol: A New and Catalytic Enantioselective Synthesis of Fluoro α‐Amino Acid Derivatives.

    Hajime Abe;Hideki Amii;Kenji Uneyama

Frequent Co-Authors

Toshiyuki Itoh
Toshiyuki Itoh Tottori University
Yong Guo
Yong Guo Chinese Academy of Sciences
Tadashi Ema
Tadashi Ema Okayama University
Paul G. Gassman
Paul G. Gassman University of Minnesota
Katsumi Kaneko
Katsumi Kaneko Shinshu University
Gerald B. Hammond
Gerald B. Hammond University of Louisville
Takeshi Akasaka
Takeshi Akasaka Huazhong University of Science and Technology

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