World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
63
Citations
12485
World Ranking
10347
National Ranking
696

Chemistry

D-Index
63
Citations
12624
World Ranking
8528
National Ranking
577

Toshihiro Akihisa 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 Toshihiro Akihisa sits on this spectrum.

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 publications 1,295+

This scientist: 275 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Toshihiro Akihisa 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 Toshihiro Akihisa sits on this spectrum.

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 D-Index 159+

This scientist: 63 D-Index — 54th percentile

54% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Overview

Toshihiro Akihisa is affiliated with Tokyo University of Science in Japan and has contributed extensively to the fields of Biochemistry, Genetics and Molecular Biology, and Medicine. Their research spans several subfields including Molecular Biology, Biochemistry, Pharmacology, Plant Science, and Cell Biology.

The main topics of their work include:

  • melanin and skin pigmentation
  • Phytochemical compounds biological activities
  • Biochemical Analysis and Sensing Techniques
  • Phytochemicals and Antioxidant Activities
  • Viral-associated cancers and disorders
  • Alkaloids: synthesis and pharmacology
  • Traditional and Medicinal Uses of Annonaceae

Their recent publications include:

  • "Sauropus androgynus L. Merr.-A phytochemical, pharmacological and toxicological review" (2020), Journal of Ethnopharmacology
  • "In vivo anti-ageing activity of cream containing niosomes loaded with purple glutinous rice (Oryza sativa Linn.) extract" (2020), International Journal of Cosmetic Science
  • "The role of metabolites of steviol glycosides and their glucosylated derivatives against diabetes-related metabolic disorders" (2021), Food & Function
  • "Isolation, structural and bioactivities of polysaccharides from Anoectochilus roxburghii (Wall.) Lindl.: A review" (2023), International Journal of Biological Macromolecules
  • "Prophylactic and Therapeutic EBV Vaccines: Major Scientific Obstacles, Historical Progress, and Future Direction" (2021), Vaccines

Frequent co-authors collaborating with Akihisa include:

  • Feng Feng
  • Wenyuan Liu
  • Jie Zhang
  • Takashi Kikuchi
  • Wanfang Zhu

Their work has appeared in key publication venues such as:

  • Bioorganic Chemistry
  • International Journal of Biological Macromolecules
  • Journal of Molecular Structure
  • Journal of Ethnopharmacology
  • International Journal of Cosmetic Science

Best Publications

  • Triterpene Acids from the Leaves of Perilla frutescens and Their Anti-inflammatory and Antitumor-promoting Effects

    Norihiro Banno;Toshihiro Akihisa;Harukuni Tokuda;Ken Yasukawa

  • Triterpene alcohol and sterol ferulates from rice bran and their anti-inflammatory effects.

    Toshihiro Akihisa;Ken Yasukawa;Miho Yamaura;Motohiko Ukiya

  • Triterpene alcohols from the flowers of Compositae and their anti-inflammatory effects

    Toshihiro Akihisa;Ken Yasukawa;Hirotoshi Oinuma;Yoshimasa Kasahara

  • Analysis of Sterols

    Unknown

  • Azaphilones, Furanoisophthalides, and Amino Acids from the Extracts of Monascus pilosus-Fermented Rice (Red-Mold Rice) and Their Chemopreventive Effects

    Toshihiro Akihisa;Harukuni Tokuda;Ken Yasukawa;Motohiko Ukiya

  • Anti-inflammatory and anti-tumor-promoting effects of triterpene acids and sterols from the fungus Ganoderma lucidum.

    Toshihiro Akihisa;Yuji Nakamura;Masaaki Tagata;Harukuni Tokuda

  • Anti-inflammatory activities of the triterpene acids from the resin of Boswellia carteri

    Norihiro Banno;Toshihiro Akihisa;Ken Yasukawa;Harukuni Tokuda

  • Anti-Inflammatory, Anti-Tumor-Promoting, and Cytotoxic Activities of Constituents of Marigold (Calendula officinalis) Flowers

    Motohiko Ukiya;Toshihiro Akihisa;Ken Yasukawa;Harukuni Tokuda

  • Inhibitory Effect of Cycloartenol Ferulate, a Component of Rice Bran, on Tumor Promotion in Two-Stage Carcinogenesis in Mouse Skin

    Ken Yasukawa;Toshihiro Akihisa;Yumiko Kimura;Toshitake Tamura

  • Constituents of Compositae plants: III. Anti-tumor promoting effects and cytotoxic activity against human cancer cell lines of triterpene diols and triols from edible chrysanthemum flowers

    Motohiko Ukiya;Toshihiro Akihisa;Harukuni Tokuda;Hiroyuki Suzuki

  • Anti-Inflammatory and Chemopreventive Effects of Triterpene Cinnamates and Acetates from Shea Fat

    Toshihiro Akihisa;Nobuo Kojima;Takashi Kikuchi;Ken Yasukawa

  • Anti-inflammatory and antitumor-promoting effects of the triterpene acids from the leaves of Eriobotrya japonica.

    Norihiro Banno;Toshihiro Akihisa;Harukuni Tokuda;Ken Yasukawa

  • Isobavachalcone, a chalcone constituent of Angelica keiskei, induces apoptosis in neuroblastoma.

    Reiko Nishimura;Keiichi Tabata;Motoki Arakawa;Yoshihisa Ito

  • Chalcones and other compounds from the exudates of Angelica keiskei and their cancer chemopreventive effects.

    Toshihiro Akihisa;Harukuni Tokuda;Daisuke Hasegawa;Motohiko Ukiya

  • Cucurbitane-type triterpenoids from the fruits of Momordica charantia and their cancer chemopreventive effects.

    Toshihiro Akihisa;Naoki Higo;Harukuni Tokuda;Motohiko Ukiya

  • Constituents of compositae plants. 2. Triterpene diols, triols, and their 3-O-fatty acid esters from edible chrysanthemum flower extract and their anti-inflammatory effects

    Motohiko Ukiya;Toshihiro Akihisa;Ken Yasukawa;Yoshimasa Kasahara

  • Xanthoangelol, a major chalcone constituent of Angelica keiskei, induces apoptosis in neuroblastoma and leukemia cells.

    Keiichi Tabata;Kou Motani;Noriya Takayanagi;Reiko Nishimura

  • Chalcones, coumarins, and flavanones from the exudate of Angelica keiskei and their chemopreventive effects.

    Toshihiro Akihisa;Harukuni Tokuda;Motohiko Ukiya;Masao Iizuka

  • Cytotoxic and apoptosis-inducing activities of limonoids from the seeds of Azadirachta indica (neem).

    Takashi Kikuchi;Koichi Ishii;Taisuke Noto;Akitomo Takahashi

  • Anti-tumor-initiating effects of monascin, an azaphilonoid pigment from the extract of Monascus pilosus fermented rice (red-mold rice)

    Toshihiro Akihisa;Harukuni Tokuda;Motohiko Ukiya;Ayaka Kiyota

  • Anti-inflammatory and Potential Cancer Chemopreventive Constituents of the Fruits of Morinda citrifolia (Noni)

    Toshihiro Akihisa;Kazumi Matsumoto;Harukuni Tokuda;Ken Yasukawa

Frequent Co-Authors

Ken Yasukawa
Ken Yasukawa Nihon University
Takashi Suzuki
Takashi Suzuki Tohoku University
Harukuni Tokuda
Harukuni Tokuda Kyoto University
Hoyoku Nishino
Hoyoku Nishino Kyoto Prefectural University of Medicine
Masahiko Abe
Masahiko Abe Tokyo University of Science
Takao Yokota
Takao Yokota Teikyo University
Yoshiyuki Mizushina
Yoshiyuki Mizushina Shinshu University
Hiromi Yoshida
Hiromi Yoshida Kobe Gakuin University
Scott G. Franzblau
Scott G. Franzblau University of Illinois at Chicago

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