World's Best Scientists 2026 revealed!
Kiyotaka Toshimori

Kiyotaka Toshimori

D-Index & Metrics

Biology and Biochemistry

D-Index
47
Citations
7998
World Ranking
18714
National Ranking
1341

Kiyotaka Toshimori publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Kiyotaka Toshimori sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 196 publications — 48th percentile

48% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Kiyotaka Toshimori D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Kiyotaka Toshimori sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 47 D-Index — 6th percentile

6% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Kiyotaka Toshimori is affiliated with Chiba University in Japan. Their research spans multiple fields, primarily within medicine and biochemistry, genetics, and molecular biology. The scientist has contributed to subfields including genetics, public health, environmental and occupational health, reproductive medicine, molecular biology, and rheumatology.

Toshimori's work has a strong focus on reproductive biology and fertility, as well as renal and related cancers. Other notable research topics involve connective tissue disorders, bone and dental protein studies, bone health and treatments, ovarian function and disorders, and aspects of birth, development, and health.

The scientist has published several recent papers, demonstrating ongoing contributions to their fields. Notable publications include:

  • "Spermatozoa from male mice with infertility due to Odf4 deficiency can fertilize oocytes by in vitro fertilization," 2024, Reproductive Medicine and Biology
  • "The association of ODF4 with AK1 and AK2 in mice is essential for fertility through its contribution to flagellar shape," 2023, Scientific Reports
  • "Decrease of lysyl hydroxylase 2 activity causes abnormal collagen molecular phenotypes, defective mineralization and compromised mechanical properties of bone," 2021, Bone
  • "Dlec1 is required for spermatogenesis and male fertility in mice," 2020, Scientific Reports

Frequent co-authors collaborating with Toshimori include:

  • Chizuru Ito
  • Tohru Mutoh
  • Tomoaki Saito
  • Masahiko Terajima
  • Yuki Taga

The primary venues where Toshimori's research has been published are:

  • Scientific Reports
  • Bone
  • Reproductive Medicine and Biology

This body of work shows a consistent engagement with studies related to bone biology, reproductive health, and molecular mechanisms underlying fertility and connective tissue disorders. Toshimori's output demonstrates interdisciplinary research that integrates genetics, molecular biology, and clinical applications in medicine.

Best Publications

  • Fibrous sheath of mammalian spermatozoa.

    Edward M. Eddy;Kiyotaka Toshimori;Deborah A. O'Brien

  • Lack of acrosome formation in mice lacking a Golgi protein, GOPC.

    Ryoji Yao;Chizuru Ito;Yasuko Natsume;Yoshinobu Sugitani

  • The Putative Chaperone Calmegin is Required for Sperm Fertility

    M. Ikawa;I. Wada;K. Kominami;D. Watanabe

  • The fusing ability of sperm is bestowed by CD9-containing vesicles released from eggs in mice

    Kenji Miyado;Keiichi Yoshida;Kazuo Yamagata;Keiichi Sakakibara

  • Acrosin Accelerates the Dispersal of Sperm Acrosomal Proteins during Acrosome Reaction

    Kazuo Yamagata;Keitaro Murayama;Masaru Okabe;Kiyotaka Toshimori

  • HANP1/H1T2, a Novel Histone H1-Like Protein Involved in Nuclear Formation and Sperm Fertility

    Hiromitsu Tanaka;Naoko Iguchi;Ayako Isotani;Kouichi Kitamura

  • An MN9 Antigenic Molecule, Equatorin, Is Required for Successful Sperm-Oocyte Fusion in Mice

    K. Toshimori;D.K. Saxena;I. Tanii;K. Yoshinaga

  • Hybrid breakdown caused by substitution of the X chromosome between two mouse subspecies.

    Ayako Oka;Ayako Oka;Akihiko Mita;Noriko Sakurai-Yamatani;Hiromi Yamamoto

  • Adverse effects of bisphenol A to spermiogenesis in mice and rats

    Yoshiro Toyama;Fumie Suzuki-Toyota;Mamiko Maekawa;Chizuru Ito

  • Oligo-astheno-teratozoospermia in mice lacking Cnot7, a regulator of retinoid X receptor beta

    Takahisa Nakamura;Ryoji Yao;Takehiko Ogawa;Toru Suzuki

  • Biology of spermatozoa maturation: an overview with an introduction to this issue.

    Kiyotaka Toshimori

  • Oligo-Astheno-Teratozoospermia in Mice Lacking RA175/TSLC1/SynCAM/IGSF4A, a Cell Adhesion Molecule in the Immunoglobulin Superfamily

    Eriko Fujita;Yoriko Kouroku;Satomi Ozeki;Yuko Tanabe

  • Mechanism of asymmetric ovarian development in chick embryos

    Yoshiyasu Ishimaru;Tomoko Komatsu;Megumi Kasahara;Yuko Katoh-Fukui

  • Ultrastructural studies on the fertilization of mammalian gametes.

    C Oura;K Toshimori

  • Mouse Polycomb M33 is required for splenic vascular and adrenal gland formation through regulating Ad4BP/SF1 expression

    Yuko Katoh-Fukui;Akiko Owaki;Yoshiro Toyama;Masatomo Kusaka

  • Behaviour of a sperm surface transmembrane glycoprotein basigin during epididymal maturation and its role in fertilization in mice.

    DK Saxena;T Oh-Oka;K Kadomatsu;T Muramatsu

  • Identification of Rab3A GTPase as an acrosome-associated small GTP- binding protein in rat sperm

    Hiroshi Iida;Yuko Yoshinaga;Shigeyasu Tanaka;Kiyotaka Toshimori

  • Mouse germ cell-less as an essential component for nuclear integrity.

    Tohru Kimura;Chizuru Ito;Shoko Watanabe;Tohru Takahashi

  • Formation and organization of the mammalian sperm head.

    Kiyotaka Toshimori;Chizuru Ito

  • Alkalinization of Acrosome Measured by GFP as a pH Indicator and Its Relation to Sperm Capacitation

    Tomoko Nakanishi;Masahito Ikawa;Shuichi Yamada;Kiyotaka Toshimori

Frequent Co-Authors

Tetsuo Noda
Tetsuo Noda Japanese Foundation For Cancer Research
Masaru Okabe
Masaru Okabe Osaka University
Hisayuki Matsuo
Hisayuki Matsuo Osaka University
Atsuo Ogura
Atsuo Ogura University of Tsukuba
Kimiko Inoue
Kimiko Inoue University of Tsukuba
Yoshitake Nishimune
Yoshitake Nishimune Osaka University
Narumi Ogonuki
Narumi Ogonuki National Institutes of Health
Masahito Ikawa
Masahito Ikawa Osaka University
Edward M. Eddy
Edward M. Eddy National Institutes of Health
Ken-ichirou Morohashi
Ken-ichirou Morohashi Kyushu University

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