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Yoshihisa Takaishi

Yoshihisa Takaishi

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 60 9660 8739 690 636 284 13426

Yoshihisa Takaishi publications per year

The chart shows the history of publications by Yoshihisa Takaishi between 1978 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Yoshihisa Takaishi published across 48 years, from 1978 to 2025, averaging 6.2 papers a year. Output peaked at 19 publications in 2000. 1 of the 299 publications appeared in the last two years.

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

299 publications in total across all disciplines

View publications per year as a table
Yoshihisa Takaishi: publications per year, 1978 to 2025
Year Publications
1978 1
1979 1
1980 1
1981 1
1982 1
1983 1
1984 4
1985 1
1986 2
1987 7
1988 5
1989 6
1990 7
1991 12
1992 5
1993 9
1994 9
1995 6
1996 3
1997 15
1998 6
1999 16
2000 19
2001 16
2002 10
2003 5
2004 11
2005 16
2006 17
2007 17
2008 17
2009 8
2010 9
2011 8
2012 10
2013 3
2014 6
2015 5
2016 1
2017 0
2018 0
2019 0
2020 0
2021 0
2022 1
2023 0
2024 0
2025 1
Total 299
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Yoshihisa Takaishi 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 Yoshihisa Takaishi 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: 284 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
281–300 939 284
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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Yoshihisa Takaishi 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 Yoshihisa Takaishi 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, 60–61 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: 60 D-Index — 47th percentile

47% 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 60
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

Yoshihisa Takaishi is affiliated with the University of Tokushima in Japan. Their research primarily focuses on biochemistry, genetics, and molecular biology, with additional work in medicine and agricultural and biological sciences.

The scientist's studies span several subfields, including molecular biology, plant science, cancer research, pharmacology, and pathology and forensic medicine. The central topics covered in their publications involve natural product bioactivities and synthesis, sesquiterpenes and Asteraceae studies, phytochemistry and biological activities, natural compound pharmacology studies, synthesis of organic compounds, biological activity of diterpenoids and biflavonoids, and phytoestrogen effects and research.

Yoshihisa Takaishi has contributed to various publication venues. These include:

  • UNC Libraries
  • Journal of Natural Products
  • Luminescence

The scientist's recent papers illustrate their focus on natural products and pharmacological agents. Selected papers are:

  • Lanicepines A and B, Sesquiterpenes with Amino Acid-Derived Substituents from the Flowering Aerial Parts of Saussurea laniceps, 2022, Journal of Natural Products
  • Biyouyanagin A, an Anti-HIV Agent from Hypericum chinense L. var. salicifolium, 2020, UNC Libraries
  • Conjugates of betulin derivatives with AZT as potent anti-HIV agents, 2020, UNC Libraries
  • Dyscusins A-C, Three New Steroids from the Leaves of Dysoxylum cumingianum, 2021, UNC Libraries
  • Analysis of Active Components and NRF2 Activation in Olive Leaf Pressurized Water Extract, 2025, Luminescence

Frequent collaborators in their work include:

  • Yoshiki Kashiwada
  • Kuo Hsiung Lee
  • Naonobu Tanaka
  • Susan L. Morris-Natschke
  • Yuki Yoshino

These collaborations reflect ongoing research relationships within the natural compounds and pharmacology fields. The combination of topics and coauthors indicates a multidisciplinary approach to biochemical and pharmacological research related to natural products.

Best Publications

  • Traditional medicine in Turkey X. Folk medicine in Central Anatolia.

    Ekrem Sezik;Erdem Yeşilada;Gisho Honda;Yoshihisa Takaishi

  • Traditional medicine in Turkey. V. Folk medicine in the inner Taurus Mountains.

    Erdem Yeşilada;Gisho Honda;Ekrem Sezik;Mamoru Tabata

  • Traditional medicine in Turkey IX: folk medicine in north-west Anatolia.

    Erdem Yeşilada;Ekrem Sezik;Gisho Honda;Yoshihisa Takaishi

  • Traditional medicine in Turkey. VI. Folk medicine in west Anatolia: Afyon, Kütahya, Denizli, Muğla, Aydin provinces.

    Gisho Honda;Erdem Yeşilada;Mamoru Tabata;Ekrem Sezik

  • Traditional medicine in Turkey. VII. Folk medicine in Middle and West Black Sea Regions

    Tetsuro Fujita;Ekrem Sezik;Mamoru Tabata;Erdem Yesilada

  • Traditional medicine in Turkey VIII. Folk medicine in east anatolia; Erzurum, Erzíncan, Ağri, Kars, Iğdir provinces

    Ekrem Sezik;Erdem Yeşİlada;Mamoru Tabata;Gisho Honda

  • Antibacterial and antioxidant activities of quercetin oxidation products from yellow onion (Allium cepa) skin.

    Freddy A Ramos;Yoshihisa Takaishi;Miki Shirotori;Yousuke Kawaguchi

  • Effects of triterpene saponins from Astragalus species on in vitro cytokine release.

    Erdem Yesilada;Erdal Bedir;İhsan Çalış;Yoshihisa Takaishi

  • Inhibitory effects of Turkish folk remedies on inflammatory cytokines: interleukin-1α, interleukin-1β and tumor necrosis factor α.

    Erdem Yeşilada;Osman Üstün;Ekrem Sezik;Yoshihisa Takaishi

  • Chemical Constituents of Prangos tschimganica; Structure Elucidation and Absolute Configuration of Coumarin and Furanocoumarin Derivatives with Anti-HIV Activity

    Yasuhiro Shikishima;Yoshihisa Takaishi;Gisho Honda;Michiho Ito

  • Coumarins and bicoumarin from Ferula sumbul: anti-HIV activity and inhibition of cytokine release.

    Ping Zhou;Yoshihisa Takaishi;Hongquan Duan;Bei Chen

  • Coumarins and γ-pyrone derivatives from Prangos pabularia: antibacterial activity and inhibition of cytokine release

    Yukiko Tada;Yasuhiro Shikishima;Yoshihisa Takaishi;Hirofumi Shibata

  • Prenylated Benzophenones and Xanthones from Hypericum scabrum

    Naonobu Tanaka;Yoshihisa Takaishi;Yasuhiro Shikishima;Yuka Nakanishi

  • Apoptosis induction in HL-60 cells and inhibition of topoisomerase II by triterpene celastrol.

    Masahiro Nagase;Jinsei Oto;Sin Sugiyama;Kouichi Yube

  • Inhibitory effects of dihydroagarofuran sesquiterpenes on Epstein-Barr virus activation

    Yoshihisa Takaishi;Kunie Ujita;Harukuni Tokuda;Hoyoku Nishino

  • Alkyl gallates, intensifiers of beta-lactam susceptibility in methicillin-resistant Staphylococcus aureus.

    Hirofumi Shibata;Kyoko Kondo;Ryo Katsuyama;Kazuyoshi Kawazoe

  • On the Diterpenoids of Andrographis paniculata : X-Ray Crystallographic Analysis of Andrographolide and Structure Determination of New Minor Diterpenoids

    Tetsuro Fujita;Ryujiro Fujitani;Yoshio Takeda;Yoshihisa Takaishi

  • Sesquiterpene alkaloids from Tripterygium hypoglaucum and Tripterygium wilfordii: a new class of potent anti-HIV agents.

    Hongquan Duan;Y. Takaishi;Y. Imakura;Yongfong Jia

  • Immunosuppressive constituents from Saussurea medusa.

    Hongquan Duan;Yoshihisa Takaishi;Hiroshi Momota;Yasukazu Ohmoto

  • The triterpene celastrol as a very potent inhibitor of lipid peroxidation in mitochondria.

    Hironori Sassa;Yoshihisa Takaishi;Hiroshi Terada

Frequent Co-Authors

Yoshiki Kashiwada
Yoshiki Kashiwada University of Tokushima
Yoshio Takeda
Yoshio Takeda University of Tokushima
Han-Dong Sun
Han-Dong Sun Chinese Academy of Sciences
Kuo Hsiung Lee
Kuo Hsiung Lee University of Minnesota
Koichiro Tsuchiya
Koichiro Tsuchiya University of Tokushima
Jun'ichi Kobayashi
Jun'ichi Kobayashi Hokkaido University
Wei Jia
Wei Jia University of Hong Kong
Kenneth F. Bastow
Kenneth F. Bastow University of North Carolina at Chapel Hill
Kentaro Kogure
Kentaro Kogure University of Tokushima
Katsumi Matsuzaki
Katsumi Matsuzaki Kyoto University

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