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Tadao Kondo

Tadao Kondo

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 52 13621 12264 1048 956 227 8612

Tadao Kondo publications per year

The chart shows the history of publications by Tadao Kondo between 1950 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tadao Kondo published across 76 years, from 1950 to 2025, averaging 3.1 papers a year. Output peaked at 20 publications in 1987. 2 of the 238 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1950 to 2025. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 1987. 1950: 1 publication 1951: 0 publications 1952: 0 publications 1953: 0 publications 1954: 1 publication 1955: 0 publications 1956: 0 publications 1957: 0 publications 1958: 0 publications 1959: 0 publications 1960: 0 publications 1961: 0 publications 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 2 publications 1971: 3 publications 1972: 7 publications 1973: 4 publications 1974: 4 publications 1975: 0 publications 1976: 0 publications 1977: 2 publications 1978: 2 publications 1979: 2 publications 1980: 2 publications 1981: 2 publications 1982: 3 publications 1983: 5 publications 1984: 2 publications 1985: 2 publications 1986: 19 publications 1987: 20 publications 1988: 9 publications 1989: 5 publications 1990: 7 publications 1991: 9 publications 1992: 3 publications 1993: 4 publications 1994: 5 publications 1995: 4 publications 1996: 9 publications 1997: 3 publications 1998: 5 publications 1999: 7 publications 2000: 4 publications 2001: 3 publications 2002: 4 publications 2003: 7 publications 2004: 6 publications 2005: 4 publications 2006: 6 publications 2007: 5 publications 2008: 5 publications 2009: 5 publications 2010: 1 publication 2011: 2 publications 2012: 1 publication 2013: 0 publications 2014: 1 publication 2015: 5 publications 2016: 2 publications 2017: 2 publications 2018: 4 publications 2019: 4 publications 2020: 4 publications 2021: 7 publications 2022: 1 publication 2023: 0 publications 2024: 1 publication 2025: 1 publication
1950 2025

238 publications in total across all disciplines

View publications per year as a table
Tadao Kondo: publications per year, 1950 to 2025
Year Publications
1950 1
1951 0
1952 0
1953 0
1954 1
1955 0
1956 0
1957 0
1958 0
1959 0
1960 0
1961 0
1962 0
1963 0
1964 0
1965 0
1966 0
1967 0
1968 0
1969 0
1970 2
1971 3
1972 7
1973 4
1974 4
1975 0
1976 0
1977 2
1978 2
1979 2
1980 2
1981 2
1982 3
1983 5
1984 2
1985 2
1986 19
1987 20
1988 9
1989 5
1990 7
1991 9
1992 3
1993 4
1994 5
1995 4
1996 9
1997 3
1998 5
1999 7
2000 4
2001 3
2002 4
2003 7
2004 6
2005 4
2006 6
2007 5
2008 5
2009 5
2010 1
2011 2
2012 1
2013 0
2014 1
2015 5
2016 2
2017 2
2018 4
2019 4
2020 4
2021 7
2022 1
2023 0
2024 1
2025 1
Total 238
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Tadao Kondo 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 Tadao Kondo 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, 221–240 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: 227 publications — 42nd percentile

42% 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 1,216 227
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
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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Tadao Kondo 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 Tadao Kondo 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, 52–53 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: 52 D-Index — 26th percentile

26% 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 52
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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Overview

Tadao Kondo is affiliated with Nagoya University in Japan and has contributed to the fields of Biochemistry, Genetics and Molecular Biology, as well as Agricultural and Biological Sciences. Their research primarily intersects Plant Science, Molecular Biology, and Biochemistry.

The main topics explored in their work include Phytochemicals and Antioxidant Activities, Plant Gene Expression Analysis, Plant Stress Responses and Tolerance, Injection Molding Process and Properties, Cassava research and cyanide, Dye analysis and toxicity, and Plant and Biological Electrophysiology Studies.

Frequent co-authors collaborating with Kondo include Kumi Yoshida, Kin-ichi Oyama, Song Qi, Yuto Takagi, and Ken'ichi Yano.

Kondo's notable recent publications are:

  • Discovery of a natural cyan blue: A unique food-sourced anthocyanin could replace synthetic brilliant blue, 2021, Science Advances
  • Single-cell analysis clarifies mosaic color development in purple hydrangea sepal, 2020, New Phytologist
  • Determination of Anthocyanins and Antioxidants in 'Titanbicus' Edible Flowers In Vitro and In Vivo, 2020, Plant Foods for Human Nutrition
  • Insight into chemical mechanisms of sepal color development and variation in hydrangea, 2021, Proceedings of the Japan Academy Series B
  • Blue flower coloration of Corydalis ambigua requires ferric ion and kaempferol glycoside, 2021, Bioscience Biotechnology and Biochemistry

Their work has been published in various journals, including Science Advances, New Phytologist, Plant Foods for Human Nutrition, Proceedings of the Japan Academy Series B, and Bioscience Biotechnology and Biochemistry.

Best Publications

  • Stereoselective ring-opening polymerization of a racemic lactide by using achiral salen- and homosalen-aluminum complexes.

    Nobuyoshi Nomura;Ryohei Ishii;Yoshihiko Yamamoto;Tadao Kondo

  • Blue flower color development by anthocyanins: from chemical structure to cell physiology.

    Unknown

  • Structure and Molecular Stacking of Anthocyanins—Flower Color Variation

    Unknown

  • Cause of blue petal colour

    Kumi Yoshida;Tadao Kondo;Yoshiji Okazaki;Kiyoshi Katou

  • Salicylaldimine-Aluminum Complexes for the Facile and Efficient Ring-Opening Polymerization of ∊-Caprolactone

    Nobuyoshi Nomura;Takuji Aoyama;Ryohei Ishii;Tadao Kondo

  • Human Homolog of Caenorhabditis elegans sqv-3 Gene Is Galactosyltransferase I Involved in the Biosynthesis of the Glycosaminoglycan-Protein Linkage Region of Proteoglycans

    Tetsuya Okajima;Kumi Yoshida;Tadao Kondo;Koichi Furukawa

  • Structural Analysis and Measurement of Anthocyanins from Colored Seed Coats of Vigna, Phaseolus, and Glycine Legumes

    Kumi Yoshida;Yoshie Sato;Reiko Okuno;Kiyoshi Kameda

  • Functionalization of 2-deoxy-2,3-dehydro-N-acetylneuraminic acid methyl ester.

    Kaoru Okamoto;Tadao Kondo;Toshio Goto

  • An antifungal compound, 9,12,13-trihydroxy-(E)-10-octadecenoic acid, from Colocasia antiquorum inoculated with Ceratocystis fimbriata

    Hironori Masui;Tadao Kondo;Mineo Kojima

  • Structure of gentiodelphin, an acylated anthocyanin isolated from Gentiana Makinoi, that is stable in dilute aqueous solution

    Toshio Goto;Tadao Kondo;Hirotoshi Tamura;Hiroyuki Imagawa

  • Ferric ions involved in the flower color development of the Himalayan blue poppy, Meconopsis grandis.

    Unknown

  • Structure determination of Heavenly blue anthocyanin, a complex monomeric anthocyanin from the morning glory Ipomoea tricolor, by means of the negative NOE method

    Tadao Kondo;Takatoshi Kawai;Hirotoshi Tamura;Toshio Goto

  • Total synthesis of flavocommelin, a component of the blue supramolecular pigment from Commelina communis, on the basis of direct 6-C-glycosylation of flavan.

    Kin-Ichi Oyama;Tadao Kondo

  • Chiral Molecular Recognition on Formation of a Metalloanthocyanin: A Supramolecular Metal Complex Pigment from Blue Flowers of Salvia patens.

    Tadao Kondo;Kin-ichi Oyama;Kumi Yoshida

  • The involvement of tonoplast proton pumps and Na+(K+)/H+ exchangers in the change of petal color during flower opening of Morning Glory, Ipomoea tricolor cv. Heavenly Blue.

    Kumi Yoshida;Miki Kawachi;Mihoko Mori;Masayoshi Maeshima

  • Amyloid β2-microglobulin is modified with Nε-(carboxymethyl)lysine in dialysis-related amyloidosis

    Toshimitsu Niwa;Mitsuhiko Sato;Tomoyuki Katsuzaki;Toshiyuki Tomoo

  • Intramolecular stacking conformation of gentiodelphin, a diacylated anthocyanin from Gentiana makinoi

    Kumi Yoshida;Tadao Kondo;Toshio Goto

  • A new molecular mechanism of blue color development with protocyanin, a supramolecular pigment from cornflower, Centaurea cyanus

    Tadao Kondo;Minoru Ueda;Minoru Isobe;Toshio Goto

  • Formation of anthocyanins from cells cultured from different parts of strawberry plants.

    Tsukasa Mori;Miei Sakurai;Jun-Ichi Shigeta;Kumi Yoshida

  • Anthocyanins from flowers of Cichorium intybus.

    Rikke Nørbæk;Karina Nielsen;Tadao Kondo

  • Stereoselective Bulk Polymerization of Racemic Lactide for Stereoblock Poly(racemic lactide) Using an Achiral Aluminum Complex

    Ryohei Ishii;Nobuyoshi Nomura;Tadao Kondo

  • Total synthesis of apigenin 7,4′-di-O-β-glucopyranoside, a component of blue flower pigment of Salvia patens, and seven chiral analogues

    Kin-ichi Oyama;Tadao Kondo

  • Chemistry of Metalloanthocyanins

    T. Goto;H. Tamura;T. Kawai;T. Hoshino

  • Contribution of each caffeoyl residue of the pigment molecule of gentiodelphin to blue color development.

    Kumi Yoshida;Yuki Toyama;Kiyoshi Kameda;Tadao Kondo

Frequent Co-Authors

Toshio Goto
Toshio Goto Nagoya University
Minoru Isobe
Minoru Isobe National Tsing Hua University
Kiyoyuki Yamada
Kiyoyuki Yamada Nagoya University
Minoru Ueda
Minoru Ueda Tohoku University
Makoto Ojika
Makoto Ojika Nagoya University
Masayoshi Maeshima
Masayoshi Maeshima Nagoya University
Hideshi Nakamura
Hideshi Nakamura Nagoya University
Mikio Nishimura
Mikio Nishimura National Institute for Basic Biology
Nobuyuki Harada
Nobuyuki Harada Tohoku University
Masayoshi Nakayama
Masayoshi Nakayama National Agriculture and Food Research Organization

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