World's Best Scientists 2026 revealed!
Katsumi Imada

Katsumi Imada

D-Index & Metrics

Chemistry

D-Index
42
Citations
6552
World Ranking
17519
National Ranking
1387

Katsumi Imada 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 Katsumi Imada 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: 243 publications — 47th percentile

47% of scientists in this discipline score the same or lower.

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

Katsumi Imada 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 Katsumi Imada 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: 42 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Best Publications

  • Structure of the bacterial flagellar protofilament and implications for a switch for supercoiling.

    Fadel A. Samatey;Katsumi Imada;Shigehiro Nagashima;Ferenc Vonderviszt

  • Three-dimensional structure of a highly thermostable enzyme, 3-isopropylmalate dehydrogenase of Thermus thermophilus at 2.2 A resolution.

    Katsumi Imada;Mamoru Sato;Nobuo Tanaka;Yukiteru Katsube

  • The bacterial flagellar cap as the rotary promoter of flagellin self-assembly

    Koji Yonekura;Saori Maki;David Gene Morgan;David J. DeRosier

  • Molecular motors of the bacterial flagella.

    Tohru Minamino;Katsumi Imada;Keiichi Namba

  • The bacterial flagellar motor and its structural diversity.

    Tohru Minamino;Katsumi Imada

  • Structure of the bacterial flagellar hook and implication for the molecular universal joint mechanism

    Fadel A. Samatey;Hideyuki Matsunami;Katsumi Imada;Shigehiro Nagashima

  • Mechanisms of type III protein export for bacterial flagellar assembly

    Tohru Minamino;Katsumi Imada;Keiichi Namba

  • Stator assembly and activation mechanism of the flagellar motor by the periplasmic region of MotB

    Seiji Kojima;Katsumi Imada;Mayuko Sakuma;Yuki Sudo

  • A High-Speed Data-Collection System for Large-Unit-Cell Crystals using an Imaging Plate as a Detector

    M. Sato;M. Yamamoto;K. Imada;Y. Katsube

  • Common architecture of the flagellar type III protein export apparatus and F- and V-type ATPases.

    Tatsuya Ibuki;Katsumi Imada;Tohru Minamino;Tohru Minamino;Takayuki Kato

  • Structural similarity between the flagellar type III ATPase FliI and F1-ATPase subunits

    Katsumi Imada;Tohru Minamino;Aiko Tahara;Keiichi Namba

  • ATP-induced hexameric ring structure of the cyanobacterial circadian clock protein KaiC.

    Fumio Hayashi;Hirofumi Suzuki;Ryo Iwase;Tatsuya Uzumaki

  • Coarse-grained molecular dynamics simulations of a rotating bacterial flagellum.

    Anton Arkhipov;Peter L. Freddolino;Katsumi Imada;Keiichi Namba

  • Interactions of bacterial flagellar chaperone–substrate complexes with FlhA contribute to co-ordinating assembly of the flagellar filament

    Miki Kinoshita;Noritaka Hara;Katsumi Imada;Keiichi Namba;Keiichi Namba

  • Structural Insight into the Rotational Switching Mechanism of the Bacterial Flagellar Motor

    Tohru Minamino;Katsumi Imada;Miki Kinoshita;Shuichi Nakamura

  • Structural insight into the regulatory mechanisms of interactions of the flagellar type III chaperone FliT with its binding partners

    Katsumi Imada;Tohru Minamino;Miki Kinoshita;Yukio Furukawa

  • Functionally important substructures of circadian clock protein KaiB in a unique tetramer complex.

    Ryo Iwase;Katsumi Imada;Fumio Hayashi;Tatsuya Uzumaki

  • Ligand Specificity Determined by Differentially Arranged Common Ligand-binding Residues in Bacterial Amino Acid Chemoreceptors Tsr and Tar

    Hirotaka Tajima;Hirotaka Tajima;Katsumi Imada;Mayuko Sakuma;Fumiyuki Hattori

  • Structure of the cytoplasmic domain of FlhA and implication for flagellar type III protein export

    Yumiko Saijo-Hamano;Katsumi Imada;Tohru Minamino;Tohru Minamino;May Kihara

  • Conformational change in the periplamic region of the flagellar stator coupled with the assembly around the rotor.

    Shiwei Zhu;Masato Takao;Na Li;Mayuko Sakuma

Frequent Co-Authors

Keiichi Namba
Keiichi Namba Osaka University
Tohru Minamino
Tohru Minamino Osaka University
Michio Homma
Michio Homma Nagoya University
Seiji Kojima
Seiji Kojima Nagoya University
Takeharu Nagai
Takeharu Nagai Osaka University
David J. DeRosier
David J. DeRosier Brandeis University
Koji Nakayama
Koji Nakayama Nagasaki University
Chiaki Kato
Chiaki Kato Japan Agency for Marine-Earth Science and Technology
Yasushi Okada
Yasushi Okada University of Tokyo
Mark J. McBride
Mark J. McBride University of Wisconsin–Milwaukee

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