World's Best Scientists 2026 revealed!
Junichi Nakai

Junichi Nakai

D-Index & Metrics

Neuroscience

D-Index
57
Citations
16301
World Ranking
4285
National Ranking
126

Junichi Nakai publication distribution in Neuroscience in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Neuroscience in 2026. The highlighted bar marks where Junichi Nakai sits on this spectrum.

38–47 publications: 18 scientists 48–57 publications: 79 scientists 58–67 publications: 193 scientists 68–77 publications: 323 scientists 78–87 publications: 406 scientists 88–97 publications: 452 scientists 98–107 publications: 539 scientists 108–117 publications: 505 scientists 118–127 publications: 522 scientists 128–137 publications: 469 scientists 138–147 publications: 456 scientists 148–157 publications: 459 scientists 158–167 publications: 397 scientists 168–177 publications: 383 scientists 178–187 publications: 350 scientists 188–197 publications: 302 scientists 198–207 publications: 306 scientists 208–217 publications: 262 scientists 218–227 publications: 242 scientists 228–237 publications: 220 scientists 238–247 publications: 203 scientists 248–257 publications: 174 scientists 258–267 publications: 176 scientists 268–277 publications: 175 scientists 278–287 publications: 125 scientists 288–297 publications: 116 scientists 298–307 publications: 127 scientists 308–317 publications: 128 scientists 318–327 publications: 99 scientists 328–337 publications: 89 scientists 338–347 publications: 78 scientists 348–357 publications: 96 scientists 358–367 publications: 66 scientists 368–377 publications: 59 scientists 378–387 publications: 65 scientists 388–397 publications: 54 scientists 398–407 publications: 48 scientists 408–417 publications: 49 scientists 418–427 publications: 34 scientists 428–437 publications: 31 scientists 438–447 publications: 30 scientists 448–457 publications: 31 scientists 458–467 publications: 36 scientists 468–477 publications: 40 scientists 478–487 publications: 35 scientists 488–497 publications: 30 scientists 498–507 publications: 23 scientists 508–517 publications: 26 scientists 518–527 publications: 20 scientists 528–537 publications: 23 scientists 538–547 publications: 20 scientists 548–557 publications: 20 scientists 558–567 publications: 17 scientists 568–577 publications: 14 scientists 578–587 publications: 20 scientists 588–597 publications: 20 scientists 598–607 publications: 19 scientists 608–617 publications: 18 scientists 618–627 publications: 17 scientists 628–637 publications: 11 scientists 638–647 publications: 11 scientists 648–657 publications: 11 scientists 658–667 publications: 8 scientists 668–677 publications: 7 scientists 678–687 publications: 11 scientists 688–697 publications: 10 scientists 698–707 publications: 4 scientists 708–717 publications: 6 scientists 718–727 publications: 5 scientists 728–737 publications: 5 scientists 738–747 publications: 9 scientists 748–757 publications: 9 scientists 758–767 publications: 3 scientists 768–777 publications: 7 scientists 778–787 publications: 7 scientists 788–797 publications: 6 scientists 798–807 publications: 2 scientists 808–817 publications: 2 scientists 818–827 publications: 7 scientists 828–837 publications: 0 scientists 838–847 publications: 9 scientists 848–857 publications: 3 scientists 858–867 publications: 1 scientists 868–877 publications: 3 scientists 878–886 publications: 6 scientists 887+ publications: 100 scientists
38 publications 887+

This scientist: 138 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 887 publications or more.

Junichi Nakai D-index placement in Neuroscience in 2026

The chart shows the D-index (discipline H-index) distribution of Neuroscience scientists ranked by Research.com in 2026. The highlighted bar marks where Junichi Nakai sits on this spectrum.

30–31 D-Index: 42 scientists 32–33 D-Index: 172 scientists 34–35 D-Index: 296 scientists 36–37 D-Index: 435 scientists 38–39 D-Index: 459 scientists 40–41 D-Index: 456 scientists 42–43 D-Index: 467 scientists 44–45 D-Index: 478 scientists 46–47 D-Index: 512 scientists 48–49 D-Index: 435 scientists 50–51 D-Index: 425 scientists 52–53 D-Index: 418 scientists 54–55 D-Index: 392 scientists 56–57 D-Index: 357 scientists 58–59 D-Index: 334 scientists 60–61 D-Index: 328 scientists 62–63 D-Index: 260 scientists 64–65 D-Index: 278 scientists 66–67 D-Index: 239 scientists 68–69 D-Index: 250 scientists 70–71 D-Index: 210 scientists 72–73 D-Index: 200 scientists 74–75 D-Index: 189 scientists 76–77 D-Index: 170 scientists 78–79 D-Index: 146 scientists 80–81 D-Index: 113 scientists 82–83 D-Index: 126 scientists 84–85 D-Index: 100 scientists 86–87 D-Index: 84 scientists 88–89 D-Index: 99 scientists 90–91 D-Index: 84 scientists 92–93 D-Index: 85 scientists 94–95 D-Index: 72 scientists 96–97 D-Index: 76 scientists 98–99 D-Index: 45 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 43 scientists 104–105 D-Index: 32 scientists 106–107 D-Index: 45 scientists 108–109 D-Index: 50 scientists 110–111 D-Index: 32 scientists 112–113 D-Index: 39 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 29 scientists 118–119 D-Index: 27 scientists 120–121 D-Index: 19 scientists 122–123 D-Index: 23 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 16 scientists 128–129 D-Index: 24 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 21 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 14 scientists 138–139 D-Index: 15 scientists 140–141 D-Index: 10 scientists 142–143 D-Index: 10 scientists 144–145 D-Index: 13 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 8 scientists 150–151 D-Index: 6 scientists 152–153 D-Index: 6 scientists 154–155 D-Index: 7 scientists 156–157 D-Index: 7 scientists 158–159 D-Index: 10 scientists 160–161 D-Index: 4 scientists 162 D-Index: 8 scientists 163+ D-Index: 100 scientists
30 D-Index 163+

This scientist: 57 D-Index — 56th percentile

56% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 163 D-Index or more.

Best Publications

  • A high signal-to-noise Ca(2+) probe composed of a single green fluorescent protein.

    Junichi Nakai;Masamichi Ohkura;Keiji Imoto

  • PRIMARY STRUCTURE AND FUNCTIONAL EXPRESSION FROM COMPLEMENTARY DNA OF A BRAIN CALCIUM CHANNEL

    Yasuo Mori;Thomas Friedrich;Man Suk Kim;Atsushi Mikami

  • Rings of negatively charged amino acids determine the acetylcholine receptor channel conductance.

    Keiji Imoto;Christopher Busch;Bert Sakmann;Masayoshi Mishina

  • Primary structure and distribution of a novel ryanodine receptor/calcium release channel from rabbit brain.

    Yasuhiro Hakamata;Junichi Nakai;Hiroshi Takeshima;Keiji Imoto

  • Imaging cellular signals in the heart in vivo: Cardiac expression of the high-signal Ca2+ indicator GCaMP2

    Yvonne M. Tallini;Masamichi Ohkura;Bum Rak Choi;Guangju Ji

  • Enhanced dihydropyridine receptor channel activity in the presence of ryanodine receptor.

    Junichi Nakai;Junichi Nakai;Robert T. Dirksen;Hanh T. Nguyen;Isaac N. Pessah

  • Calcium imaging reveals glial involvement in transcranial direct current stimulation-induced plasticity in mouse brain.

    Hiromu Monai;Masamichi Ohkura;Mika Tanaka;Yuki Oe

  • A Top-Down Cortical Circuit for Accurate Sensory Perception.

    Satoshi Manita;Takayuki Suzuki;Chihiro Homma;Takashi Matsumoto

  • Multiple types of ryanodine receptor/Ca2+ release channels are differentially expressed in rabbit brain

    T Furuichi;D Furutama;Y Hakamata;J Nakai

  • Rational design of a high-affinity, fast, red calcium indicator R-CaMP2

    Masatoshi Inoue;Atsuya Takeuchi;Shin Ichiro Horigane;Masamichi Ohkura

  • Real-Time Visualization of Neuronal Activity during Perception

    Akira Muto;Masamichi Ohkura;Gembu Abe;Junichi Nakai

  • Primary structure and functional expression of the ω-conotoxin-sensitive N-type calcium channel from rabbit brain

    Yoshihiko Fujita;Michelle Mynlieff;Robert T. Dirksen;Man Suk Kim

  • Genetically Encoded Green Fluorescent Ca2+ Indicators with Improved Detectability for Neuronal Ca2+ Signals

    Masamichi Ohkura;Takuya Sasaki;Junko Sadakari;Keiko Gengyo-Ando

  • In Vivo Performance of Genetically Encoded Indicators of Neural Activity in Flies

    Dierk F. Reiff;Alexandra Ihring;Giovanna Guerrero;Ehud Y. Isacoff

  • Two regions of the ryanodine receptor involved in coupling with L-type Ca2+ channels.

    Junichi Nakai;Naomi Sekiguchi;Thomas A. Rando;Paul D. Allen

  • Propagated Endothelial Ca2+ Waves and Arteriolar Dilation In Vivo: Measurements in Cx40BAC–GCaMP2 Transgenic Mice

    Yvonne N. Tallini;Johan Fredrik Brekke;Bo Shui;Robert Doran

  • Genetic visualization with an improved GCaMP calcium indicator reveals spatiotemporal activation of the spinal motor neurons in zebrafish.

    Akira Muto;Masamichi Ohkura;Tomoya Kotani;Tomoya Kotani;Shin Ichi Higashijima

  • Characterization and subcellular targeting of GCaMP-type genetically-encoded calcium indicators

    Tianyi Mao;Tianyi Mao;Daniel H. O'Connor;Daniel H. O'Connor;Volker Scheuss;Volker Scheuss;Volker Scheuss;Junichi Nakai

  • Expanding the repertoire of optogenetically targeted cells with an enhanced gene expression system.

    Kenji F. Tanaka;Kenji F. Tanaka;Ko Matsui;Takuya Sasaki;Hiromi Sano

  • Encoding Gender and Individual Information in the Mouse Vomeronasal Organ

    Jie He;Limei Ma;Sang Seong Kim;Junichi Nakai

Frequent Co-Authors

Toru Takumi
Toru Takumi Kobe University
Kenji F. Tanaka
Kenji F. Tanaka Keio University
Yuchio Yanagawa
Yuchio Yanagawa Gunma University
Kenji Sakimura
Kenji Sakimura Niigata University
Manabu Abe
Manabu Abe Niigata University
Shigeyoshi Itohara
Shigeyoshi Itohara RIKEN Center for Brain Science
Masahiko Watanabe
Masahiko Watanabe Hokkaido University
Sebastian Kügler
Sebastian Kügler University of Göttingen
Roger Y. Tsien
Roger Y. Tsien University of California, San Diego

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