World's Best Scientists 2026 revealed!
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Chemistry
Japan
2026

D-Index & Metrics

Chemistry

D-Index
106
Citations
37017
World Ranking
966
National Ranking
43

Masayuki Yoshikawa 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 Masayuki Yoshikawa 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: 697 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

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

Masayuki Yoshikawa 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 Masayuki Yoshikawa 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: 106 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Chemistry in Japan Leader Award
  • 2025 - Research.com Chemistry in Japan Leader Award
  • 2022 - Research.com Chemistry in Japan Leader Award

Overview

Masayuki Yoshikawa is affiliated with Kyoto Pharmaceutical University in Japan. Their academic work spans multiple fields, primarily focusing on Physics and Astronomy as well as Engineering. Within these broader areas, their research covers notable subfields including Nuclear and High Energy Physics, Molecular Biology, Materials Chemistry, Electrical and Electronic Engineering, and Astronomy and Astrophysics.

The researcher's main topics of study include Magnetic Confinement Fusion Research, Plasma Diagnostics and Applications, Fusion Materials and Technologies, Ionosphere and Magnetosphere Dynamics, Laser-Plasma Interactions and Diagnostics, Particle Accelerators and Beam Dynamics, and Superconducting Materials and Applications.

Yoshikawa's recent papers showcase contributions to diverse scientific domains. Selected publications include:

  • "Development of a persistent-mode NMR magnet with superconducting joints between high-temperature superconductors," 2021, Superconductor Science and Technology
  • "A review of antidiabetic active thiosugar sulfoniums, salacinol and neokotalanol, from plants of the genus Salacia," 2021, Journal of Natural Medicines
  • "Collagen synthesis-promoting and collagenase inhibitory activities of constituents isolated from the rhizomes of Picrorhiza kurroa Royle ex Benth," 2020, Fitoterapia
  • "New biofunctional effects of oleanane-type triterpene saponins," 2023, Journal of Natural Medicines
  • "Cross-field transport in detached helium plasmas in Magnum-PSI," 2020, Plasma Physics and Controlled Fusion

Frequent coauthors in Yoshikawa's research network include M. Sakamoto, N. Ezumi, J. Kohagura, Y. Nakashima, and M. Hirata.

Publication outlets where Yoshikawa has contributed multiple papers are notable journals and periodicals, such as Plasma and Fusion Research, Journal of Natural Medicines, AIP Advances, Review of Scientific Instruments, and Biological and Pharmaceutical Bulletin.

Best Publications

  • Adjuvant and haemolytic activities of 47 saponins derived from medicinal and food plants.

    Kenji Oda;Hisashi Matsuda;Toshiyuki Murakami;Shigeji Katayama

  • Salacinol, potent antidiabetic principle with unique thiosugar sulfonium sulfate structure from the ayurvedic traditional medicine Salacia reticulata in Sri Lanka and India

    Masayuki Yoshikawa;Toshiyuki Murakami;Hiromi Shimada;Hisashi Matsuda

  • Kotalanol, a Potent α-Glucosidase Inhibitor with Thiosugar Sulfonium Sulfate Structure, from Antidiabetic Ayurvedic Medicine Salacia reticulata

    Masayuki Yoshikawa;Toshiyuki Murakami;Kenichi Yashiro;Hisashi Matsuda

  • Structural requirements of flavonoids for inhibition of protein glycation and radical scavenging activities.

    Hisashi Matsuda;Tao Wang;Hiromi Managi;Masayuki Yoshikawa

  • Salacia reticulata and Its Polyphenolic Constituents with Lipase Inhibitory and Lipolytic Activities Have Mild Antiobesity Effects in Rats

    Masayuki Yoshikawa;Hiroshi Shimoda;Norihisa Nishida;Miki Takada

  • Carnosic acid, a new class of lipid absorption inhibitor from sage

    Kiyofumi Ninomiya;Hisashi Matsuda;Hiroshi Shimoda;Norihisa Nishida

  • Absolute Stereostructure of Potent α-Glucosidase Inhibitor, Salacinol, with Unique Thiosugar Sulfonium Sulfate Inner Salt Structure from Salacia reticulata

    Masayuki Yoshikawa;Toshio Morikawa;Hisashi Matsuda;Genzoh Tanabe

  • Chemical studies of crude drugs (1). Constituents of Ginseng radix rubra

    Isao Kitagawa;Masayuki Yoshikawa;Minoru Yoshihara;Teruaki Hayashi

  • Structural Requirements of Flavonoids and Related Compounds for Aldose Reductase Inhibitory Activity

    Hisashi Matsuda;Toshio Morikawa;Iwao Toguchida;Masayuki Yoshikawa

  • Structural requirements of flavonoids for nitric oxide production inhibitory activity and mechanism of action.

    Hisashi Matsuda;Toshio Morikawa;Shin Ando;Iwao Toguchida

  • Structures of withanosides I, II, III, IV, V, VI, and VII, new withanolide glycosides, from the roots of Indian Withania somnifera DUNAL. and inhibitory activity for tachyphylaxis to clonidine in isolated guinea-pig ileum.

    Hisashi Matsuda;Toshiyuki Murakami;Akinobu Kishi;Masayuki Yoshikawa

  • Structural requirements of flavonoids for inhibition of antigen-Induced degranulation, TNF-α and IL-4 production from RBL-2H3 cells

    Hisashi Mastuda;Toshio Morikawa;Kazuho Ueda;Hiromi Managi

  • Inhibitory effect and action mechanism of sesquiterpenes from Zedoariae Rhizoma on D-galactosamine/lipopolysaccharide-induced liver injury.

    Hisashi Matsuda;Kiyofumi Ninomiya;Toshio Morikawa;Masayuki Yoshikawa

  • Antioxidant constituents from rhubarb: structural requirements of stilbenes for the activity and structures of two new anthraquinone glucosides.

    Hisashi Matsuda;Toshio Morikawa;Iwao Toguchida;Ji-Young Park

  • Structures of new dammarane-type Triterpene Saponins from the flower buds of Panax notoginseng and hepatoprotective effects of principal Ginseng Saponins.

    Masayuki Yoshikawa;Toshio Morikawa;Yousuke Kashima;Kiyofumi Ninomiya

  • Medicinal Foodstuffs. XXI. Structures of New Cucurbitane-Type Triterpene Glycosides, Goyaglycosides-a, -b, -c, -d, -e, -f, -g, and -h, and New Oleanane-Type Triterpene Saponins, Goyasaponins I, II, and III, from the Fresh Fruit of Japanese Momordica charantia L.

    Toshiyuki Murakami;Akihito Emoto;Hisashi Matsuda;Masayuki Yoshikawa

  • New crinine-type alkaloids with inhibitory effect on induction of inducible nitric oxide synthase from Crinum yemense.

    Osama Bashir Abdel-Halim;Toshio Morikawa;Shin Ando;Hisashi Matsuda

  • Phytoestrogens from the roots of Polygonum cuspidatum (polygonaceae): structure-Requirement of hydroxyanthraquinones for estrogenic activity

    Hisashi Matsuda;Hiroshi Shimoda;Toshio Morikawa;Masayuki Yoshikawa

  • Anti-obesity effects of chikusetsusaponins isolated from Panax japonicus rhizomes

    Li-Kun Han;Yi-Nan Zheng;Masayuki Yoshikawa;Hiromichi Okuda

  • Structure-requirements of isocoumarins, phthalides, and stilbenes from Hydrangeae Dulcis Folium for inhibitory activity on histamine release from rat peritoneal mast cells

    Hisashi Matsuda;Hiroshi Shimoda;Masayuki Yoshikawa

  • Medicinal Foodstuffs. IV. Fenugreek Seed. (1) : Structures of Trigoneosides Ia, Ib, IIa, IIb, IIIa, and IIIb, New Furostanol Saponins from the Seeds of Indian Trigonella foenum-graecum L.

    Masayuki Yoshikawa;Toshiyuki Murakami;Hajime Komatsu;Nobutoshi Murakami

Frequent Co-Authors

Hisashi Matsuda
Hisashi Matsuda Kyoto Pharmaceutical University
Toshio Morikawa
Toshio Morikawa Kindai University
Seikou Nakamura
Seikou Nakamura Kyoto Pharmaceutical University
Johji Yamahara
Johji Yamahara Kyoto Pharmaceutical University
Toshiyuki Murakami
Toshiyuki Murakami Kyoto Pharmaceutical University
Osamu Muraoka
Osamu Muraoka Kindai University
Isao Kitagawa
Isao Kitagawa Osaka University
Hiroshi Matsuda
Hiroshi Matsuda Tokyo University of Agriculture and Technology
Hiromichi Okuda
Hiromichi Okuda Prefectural University of Kumamoto
Jiang Liu
Jiang Liu Sichuan Agricultural University

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