World's Best Scientists 2026 revealed!
Yoshimasa Hirata

Yoshimasa Hirata

D-Index & Metrics

Chemistry

D-Index
60
Citations
11543
World Ranking
9800
National Ranking
698

Yoshimasa Hirata 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 Yoshimasa Hirata 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: 354 publications — 74th percentile

74% of scientists in this discipline score the same or lower.

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

Yoshimasa Hirata 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 Yoshimasa Hirata 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: 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.

Research.com Recognitions

  • 1996 - Nakanishi Prize, Chemical Society of Japan and the American Chemical Society.

Overview

Yoshimasa Hirata was a researcher affiliated with Meijo University in Japan. Throughout their academic career, they contributed to the scientific community primarily through work undertaken at this institution.

They received recognition in the form of the Nakanishi Prize, awarded jointly by the Chemical Society of Japan and the American Chemical Society in 1996.

There is no available detailed publication record including paper titles, co-authors, or frequent publication venues. Likewise, specific fields of study, subfields, and main research topics are not provided in the available data.

The absence of detailed data on co-authors, research papers, or publication venues gives limited insight into the extent and scope of their academic collaborations or preferred journals and conferences.

Yoshimasa Hirata is deceased. Their scientific contributions remain associated with their position at Meijo University and the recognized award mentioned.

Best Publications

  • Halichondrins—antitumor polyether macrolides from a marine sponge

    Y. Hirata;D. Uemura

  • NORHALICHONDRIN A: AN ANTITUMOR POLYETHER MACROLIDE FROM A MARINE SPONGE

    D. Uemura;K. Takahashi;T. Yamamoto;C. Katayama

  • Further studies on palytoxin. II. structure of palytoxin

    Daisuke Uemura;Katsuhiro Ueda;Yoshimasa Hirata;Hideo Naoki

  • Separation of mycosporine-like amino acids in marine organisms using reversed-phase high-performance liquid chromatography

    Hideshi Nakamura;Jun'ichi Kobayashi;Yoshimasa Hirata

  • Keramamine-A and -B, novel antimicrobial alkaloids from the Okinawan marine sponge Pellina sp.

    Hideshi Nakamura;Shongzhi Deng;Jun'ichi Kobayashi;Yasushi Ohizumi

  • Occurrence of 9-deoxy-delta 9,delta 12-13,14-dihydroprostaglandin D2 in human urine.

    Y. Hirata;H. Hayashi;S. Ito;Y. Kikawa

  • Ascididemin, a novel pentacyclic aromatic alkaloid with potent antileukemic activity from the Okinawan tunicate Didemnum sp.

    Jun'ichi Kobayash;Jie-fei Cheng;Hideshi Nakamura;Yasushi Ohizumi

  • Isolation and structure of aaptamine a novel heteroaromatic substance possessing α-blocking activity from the sea sponge Aaptos aaptos

    Hideshi Nakamura;Jun'ichi Kobayashi;Yasushi Ohizumi;Yoshimasa Hirata

  • Stereochemistry of palytoxin. 4. Complete structure

    J. K. Cha;W. J. Christ;J. M. Finan;H. Fujioka

  • A NEW ANALYTICAL METHOD OF INDIVIDUAL BILE ACIDS USING HIGH PERFORMANCE LIQUID CHROMATOGRAPHY AND IMMOBILIZED 3α-HYDROXYSTEROID DEHYDROGENASE IN COLUMN FORM

    Sumihiko Okuyama;Nobuhiko Kokubun;Sakae Higashidate;Daisuke Uemura

  • Amphidinolide C: The first 25-membered macrocyclic lactone with potent antineoplastic activity from the cultured dinoflagellate Amphidinium sp.

    Junichi. Kobayashi;Masami. Ishibashi;Markus R. Walchli;Hideshi. Nakamura

  • The structure of aureothin, a nitro compound obtained from Streptomyces thioluteus

    Yoshimasa Hirata;Hisao Nakata;Kiyoyuki Yamada;Kunio Okuhara

  • Prianosin A, a novel antileukemic alkaloid from the okinawan marine sponge Prianos melanos

    Jun'ichi Kobayashi;Jie-fei Cheng;Masami Ishibashi;Hideshi Nakamura

  • Agelasine-A, -B, -C and -D, novel bicyclic diterpenoids with a 9-methyladeninium unit possessing inhibitory effects on na,K-atpase from the okinawa sea sponge sp.1)

    Hideshi Nakamura;Houming Wu;Yasushi Ohizumi;Yoshimasa Hirata

  • Cystodytins A, B, and C, novel tetracyclic aromatic alkaloids with potent antineoplastic activity from the Okinawan tunicate Cystodytes dellechiajei

    Junichi Kobayashi;Jiefei Cheng;Markus R. Walchli;Hideshi Nakamura

  • Several compounds from Palyfhoa tuberculosa (Coelenterata)

    Y. Hirata;D. Uemura;K. Ueda;S. Takano

  • Structures of aplysin and aplysinol, naturally occurring bromo-compounds

    Unknown

  • ISOLATION AND STRUCTURE OF A 334 NM UV-ABSORBING SUBSTANCE, PORPHYRA-334 FROM THE RED ALGA PORPHYRA TENERA KJELLMAN

    Satoshi Takano;Atsushi Nakanishi;Daisuke Uemura;Yoshimasa Hirata

  • Cypridina bioluminescence I Sructure of luciferin

    Toshito Kishi;Toshio Goto;Yoshimasa Hirata;Osamu Shimomura

  • Amphidinolide-A, a novel antineoplastic macrolide from the marine dinoflagellate Amphidinium sp.

    Jun'ichi Kobayashi;Masami Ishibashi;Hideshi Nakamura;Yasushi Ohizumi

  • The amino acid sequences of homologous hydroxyproline-containing myotoxins from the marine snal Conus geographus venom

    Showbu Sato;Hideshi Nakamura;Yasushi Ohizumi;Jun'ichi Kobayashi

Frequent Co-Authors

Hideshi Nakamura
Hideshi Nakamura Nagoya University
Daisuke Uemura
Daisuke Uemura Kanagawa University
Kiyoyuki Yamada
Kiyoyuki Yamada Nagoya University
Yasushi Ohizumi
Yasushi Ohizumi Tohoku University
Jun'ichi Kobayashi
Jun'ichi Kobayashi Hokkaido University
Masami Ishibashi
Masami Ishibashi Chiba University
Toshio Goto
Toshio Goto Nagoya University
Shosuke Ito
Shosuke Ito Fujita Health University
Yoshito Kishi
Yoshito Kishi Harvard University
Hiroshi Nagase
Hiroshi Nagase University of Tsukuba

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