World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
50
Citations
8534
World Ranking
14415
National Ranking
1125

Seiji Ito 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 Seiji Ito 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: 187 publications — 28th percentile

28% of scientists in this discipline score the same or lower.

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

Seiji Ito 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 Seiji Ito 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: 50 D-Index — 21st percentile

21% of scientists in this discipline score the same or lower.

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

Best Publications

  • Alternative splicing of C-terminal tail of prostaglandin E receptor subtype EP3 determines G-protein specificity.

    Tsunehisa Namba;Yukihiko Sugimoto;Manabu Negishi;Atsushi Irie

  • Identification and Characterization of a Novel Type of Membrane-Associated Prostaglandin E Synthase

    Naomi Tanikawa;Yoshihiro Ohmiya;Hiroaki Ohkubo;Katsuyuki Hashimoto

  • Nocistatin, a peptide that blocks nociceptin action in pain transmission

    Emiko Okuda-Ashitaka;Toshiaki Minami;Shinro Tachibana;Yoshihiro Yoshihara;Yoshihiro Yoshihara

  • Lack of tactile pain (allodynia) in lipocalin-type prostaglandin D synthase-deficient mice

    Naomi Eguchi;Toshiaki Minami;Naoki Shirafuji;Yoshihide Kanaoka

  • Characterization of EP receptor subtypes responsible for prostaglandin E2-induced pain responses by use of EP1 and EP3 receptor knockout mice

    Toshiaki Minami;Hiroyuki Nakano;Takuya Kobayashi;Yukihiko Sugimoto

  • Nociceptive effects induced by intrathecal administration of prostaglandin D2, E2, or F2α to conscious mice

    Rumiko Uda;Shigeko Horiguchi;Seiji Ito;Seiji Ito;Masayoshi Hyodo

  • Fyn kinase‐mediated phosphorylation of NMDA receptor NR2B subunit at Tyr1472 is essential for maintenance of neuropathic pain

    Tetsuya Abe;Shinji Matsumura;Tayo Katano;Tamaki Mabuchi

  • Close kinship of human 20alpha-hydroxysteroid dehydrogenase gene with three aldo-keto reductase genes.

    Mikio Nishizawa;Tatsuya Nakajima;Katsuhiko Yasuda;Hideharu Kanzaki

  • Characterization of nociceptin hyperalgesia and allodynia in conscious mice.

    Naoki Hara;Toshiaki Minami;Emiko Okuda-Ashitaka;Tetsuo Sugimoto

  • Molecular Cloning of the Human Histamine H1 Receptor Gene

    H. Fukui;K. Fujimoto;H. Mizuguchi;K. Sakamoto

  • cDNA cloning, expression and characterization of human prostaglandin F synthase1

    Toshiko Suzuki-Yamamoto;Mikio Nishizawa;Motonari Fukui;Emiko Okuda-Ashitaka

  • Prostaglandin D2: a biochemical perspective.

    S. Ito;Shuh Narumiya;O. Hayaishi

  • Molecular cloning and expression of a cDNA of the bovine prostaglandin F2 alpha receptor.

    Sakamoto K;Ezashi T;Miwa K;Okuda-Ashitaka E

  • Attenuation of neuropathic pain by the nociceptin/orphanin FQ antagonist JTC-801 is mediated by inhibition of nitric oxide production.

    Tamaki Mabuchi;Shinji Matsumura;Emiko Okuda-Ashitaka;Emiko Okuda-Ashitaka;Takahiro Kitano

  • Purification and characterization of poly(ADP-ribose) synthetase from calf thymus.

    S Ito;Y Shizuta;O Hayaishi

  • Prostaglandin E receptors in bovine adrenal medulla are coupled to adenylate cyclase via Gi and to phosphoinositide metabolism in a pertussis toxin-insensitive manner.

    M Negishi;S Ito;O Hayaishi

  • Involvement of Rho-kinase in inflammatory and neuropathic pain through phosphorylation of myristoylated alanine-rich C-kinase substrate (MARCKS).

    S. Tatsumi;T. Mabuchi;T. Katano;S. Matsumura

  • Involvement of primary afferent C-fibres in touch-evoked pain (allodynia) induced by prostaglandin E2.

    Toshiaki Minami;Emiko Okuda‐Ashitaka;Yuuichi Hori;Satoru Sakuma

  • N-ethylmaleimide-sensitive fusion protein (NSF) is involved in central sensitization in the spinal cord through GluR2 subunit composition switch after inflammation.

    Tayo Katano;Hidemasa Furue;Emiko Okuda-Ashitaka;Mitsuo Tagaya

  • Characterization of the glutamatergic system for induction and maintenance of allodynia.

    Toshiaki Minami;Shinji Matsumura;Emiko Okuda-Ashitaka;Keiko Shimamoto

Frequent Co-Authors

Osamu Hayaishi
Osamu Hayaishi Osaka Bioscience Institute
Manabu Negishi
Manabu Negishi Kyoto University
Yoshiyuki Horio
Yoshiyuki Horio Sapporo Medical University
Kenji Sakimura
Kenji Sakimura Niigata University
Masayoshi Mishina
Masayoshi Mishina Ritsumeikan University
Yoshihiro Ohmiya
Yoshihiro Ohmiya National Institute of Advanced Industrial Science and Technology
Mitsutoshi Setou
Mitsutoshi Setou Hamamatsu University
Masakatsu Yamashita
Masakatsu Yamashita Ehime University
Masahiko Watanabe
Masahiko Watanabe Hokkaido University
Hiroyuki Mizuguchi
Hiroyuki Mizuguchi Osaka University

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