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Katsuhiko Hayashi

Katsuhiko Hayashi

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Molecular Biology 62 1844 1655 150 141 129 16589

Katsuhiko Hayashi publications per year

The chart shows the history of publications by Katsuhiko Hayashi between 1962 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Katsuhiko Hayashi published across 64 years, from 1962 to 2025, averaging 5.7 papers a year. Output peaked at 18 publications in 2002. 27 of the 362 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1962 to 2025. Vertical axis: number of publications, 0 to 18. Peak 18 publications in 2002. 1962: 1 publication 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 1 publication 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 1 publication 1973: 0 publications 1974: 2 publications 1975: 2 publications 1976: 1 publication 1977: 4 publications 1978: 2 publications 1979: 3 publications 1980: 2 publications 1981: 2 publications 1982: 1 publication 1983: 1 publication 1984: 3 publications 1985: 1 publication 1986: 2 publications 1987: 0 publications 1988: 0 publications 1989: 3 publications 1990: 13 publications 1991: 4 publications 1992: 2 publications 1993: 2 publications 1994: 4 publications 1995: 10 publications 1996: 6 publications 1997: 3 publications 1998: 2 publications 1999: 13 publications 2000: 11 publications 2001: 12 publications 2002: 18 publications 2003: 11 publications 2004: 12 publications 2005: 6 publications 2006: 14 publications 2007: 8 publications 2008: 10 publications 2009: 7 publications 2010: 6 publications 2011: 6 publications 2012: 9 publications 2013: 11 publications 2014: 9 publications 2015: 8 publications 2016: 13 publications 2017: 12 publications 2018: 10 publications 2019: 7 publications 2020: 7 publications 2021: 11 publications 2022: 13 publications 2023: 13 publications 2024: 18 publications 2025: 9 publications
1962 2025

362 publications in total across all disciplines

View publications per year as a table
Katsuhiko Hayashi: publications per year, 1962 to 2025
Year Publications
1962 1
1963 0
1964 0
1965 0
1966 1
1967 0
1968 0
1969 0
1970 0
1971 0
1972 1
1973 0
1974 2
1975 2
1976 1
1977 4
1978 2
1979 3
1980 2
1981 2
1982 1
1983 1
1984 3
1985 1
1986 2
1987 0
1988 0
1989 3
1990 13
1991 4
1992 2
1993 2
1994 4
1995 10
1996 6
1997 3
1998 2
1999 13
2000 11
2001 12
2002 18
2003 11
2004 12
2005 6
2006 14
2007 8
2008 10
2009 7
2010 6
2011 6
2012 9
2013 11
2014 9
2015 8
2016 13
2017 12
2018 10
2019 7
2020 7
2021 11
2022 13
2023 13
2024 18
2025 9
Total 362
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Katsuhiko Hayashi publication distribution in Molecular Biology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Molecular Biology in 2026. The highlighted bar marks where Katsuhiko Hayashi sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 53 bars. Horizontal axis: publications, 47–56 to 564+. Vertical axis: number of scientists, 0 to 177. Most scientists, 177, have 117–126 publications. The last bar groups every scientist with 564 publications or more. The highlighted bar, 127–136 publications, is where this scientist sits. 47–56 publications: 7 scientists 57–66 publications: 17 scientists 67–76 publications: 65 scientists 77–86 publications: 90 scientists 87–96 publications: 125 scientists 97–106 publications: 131 scientists 107–116 publications: 162 scientists 117–126 publications: 177 scientists 127–136 publications: 158 scientists 137–146 publications: 158 scientists 147–156 publications: 146 scientists 157–166 publications: 159 scientists 167–176 publications: 131 scientists 177–186 publications: 110 scientists 187–196 publications: 112 scientists 197–206 publications: 100 scientists 207–216 publications: 89 scientists 217–226 publications: 98 scientists 227–236 publications: 74 scientists 237–246 publications: 72 scientists 247–256 publications: 63 scientists 257–266 publications: 53 scientists 267–276 publications: 54 scientists 277–286 publications: 49 scientists 287–296 publications: 52 scientists 297–306 publications: 43 scientists 307–316 publications: 46 scientists 317–326 publications: 41 scientists 327–336 publications: 42 scientists 337–346 publications: 31 scientists 347–356 publications: 28 scientists 357–366 publications: 29 scientists 367–376 publications: 26 scientists 377–386 publications: 24 scientists 387–396 publications: 24 scientists 397–406 publications: 14 scientists 407–416 publications: 13 scientists 417–426 publications: 20 scientists 427–436 publications: 12 scientists 437–446 publications: 20 scientists 447–456 publications: 11 scientists 457–466 publications: 10 scientists 467–476 publications: 14 scientists 477–486 publications: 14 scientists 487–496 publications: 10 scientists 497–506 publications: 13 scientists 507–516 publications: 13 scientists 517–526 publications: 2 scientists 527–536 publications: 4 scientists 537–546 publications: 6 scientists 547–556 publications: 8 scientists 557–563 publications: 6 scientists 564+ publications: 100 scientists
47–56 publications 564+

This scientist: 129 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 564 publications or more.

View publications distribution as a table
Number of Molecular Biology scientists by publication count, Research.com 2026 ranking edition. Based on 3,076 ranked scientists.
Publications Scientists This scientist
47–56 7
57–66 17
67–76 65
77–86 90
87–96 125
97–106 131
107–116 162
117–126 177
127–136 158 129
137–146 158
147–156 146
157–166 159
167–176 131
177–186 110
187–196 112
197–206 100
207–216 89
217–226 98
227–236 74
237–246 72
247–256 63
257–266 53
267–276 54
277–286 49
287–296 52
297–306 43
307–316 46
317–326 41
327–336 42
337–346 31
347–356 28
357–366 29
367–376 26
377–386 24
387–396 24
397–406 14
407–416 13
417–426 20
427–436 12
437–446 20
447–456 11
457–466 10
467–476 14
477–486 14
487–496 10
497–506 13
507–516 13
517–526 2
527–536 4
537–546 6
547–556 8
557–563 6
564+ 100
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Katsuhiko Hayashi D-index placement in Molecular Biology in 2026

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

No. of scientists
25 50 75 100 125
Bar chart with 54 bars. Horizontal axis: D-Index, 40–41 to 145+. Vertical axis: number of scientists, 0 to 131. Most scientists, 131, have 64–65 D-Index. The last bar groups every scientist with 145 D-Index or more. The highlighted bar, 62–63 D-Index, is where this scientist sits. 40–41 D-Index: 36 scientists 42–43 D-Index: 101 scientists 44–45 D-Index: 115 scientists 46–47 D-Index: 121 scientists 48–49 D-Index: 118 scientists 50–51 D-Index: 130 scientists 52–53 D-Index: 106 scientists 54–55 D-Index: 116 scientists 56–57 D-Index: 113 scientists 58–59 D-Index: 129 scientists 60–61 D-Index: 120 scientists 62–63 D-Index: 105 scientists 64–65 D-Index: 131 scientists 66–67 D-Index: 95 scientists 68–69 D-Index: 97 scientists 70–71 D-Index: 106 scientists 72–73 D-Index: 83 scientists 74–75 D-Index: 89 scientists 76–77 D-Index: 77 scientists 78–79 D-Index: 70 scientists 80–81 D-Index: 73 scientists 82–83 D-Index: 60 scientists 84–85 D-Index: 48 scientists 86–87 D-Index: 45 scientists 88–89 D-Index: 50 scientists 90–91 D-Index: 31 scientists 92–93 D-Index: 51 scientists 94–95 D-Index: 43 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 39 scientists 100–101 D-Index: 41 scientists 102–103 D-Index: 29 scientists 104–105 D-Index: 33 scientists 106–107 D-Index: 35 scientists 108–109 D-Index: 20 scientists 110–111 D-Index: 38 scientists 112–113 D-Index: 19 scientists 114–115 D-Index: 28 scientists 116–117 D-Index: 13 scientists 118–119 D-Index: 23 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 15 scientists 124–125 D-Index: 11 scientists 126–127 D-Index: 21 scientists 128–129 D-Index: 7 scientists 130–131 D-Index: 13 scientists 132–133 D-Index: 14 scientists 134–135 D-Index: 17 scientists 136–137 D-Index: 9 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 16 scientists 142–143 D-Index: 7 scientists 144 D-Index: 7 scientists 145+ D-Index: 100 scientists
40–41 D-Index 145+

This scientist: 62 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 145 D-Index or more.

View D-Index distribution as a table
Number of Molecular Biology scientists by D-index, Research.com 2026 ranking edition. Based on 3,076 ranked scientists.
D-Index Scientists This scientist
40–41 36
42–43 101
44–45 115
46–47 121
48–49 118
50–51 130
52–53 106
54–55 116
56–57 113
58–59 129
60–61 120
62–63 105 62
64–65 131
66–67 95
68–69 97
70–71 106
72–73 83
74–75 89
76–77 77
78–79 70
80–81 73
82–83 60
84–85 48
86–87 45
88–89 50
90–91 31
92–93 51
94–95 43
96–97 38
98–99 39
100–101 41
102–103 29
104–105 33
106–107 35
108–109 20
110–111 38
112–113 19
114–115 28
116–117 13
118–119 23
120–121 16
122–123 15
124–125 11
126–127 21
128–129 7
130–131 13
132–133 14
134–135 17
136–137 9
138–139 8
140–141 16
142–143 7
144 7
145+ 100
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Overview

Katsuhiko Hayashi is affiliated with Osaka University in Japan and has a substantial body of research primarily in the fields of Biochemistry, Genetics, and Molecular Biology, as well as Medicine. Their work spans various subfields, including Molecular Biology, Artificial Intelligence, Public Health, Environmental and Occupational Health, Genetics, and Surgery.

The scientist's main topics of research include Pluripotent Stem Cells Research, Reproductive Biology and Fertility, Renal and related cancers, Animal Genetics and Reproduction, CRISPR and Genetic Engineering, and Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities, as well as Topic Modeling.

Among the recent published papers, notable titles include:

  • Mammalian in vitro gametogenesis (2021, Science)
  • Generation of ovarian follicles from mouse pluripotent stem cells (2021, Science)
  • Reconstitution of the oocyte transcriptional network with transcription factors (2020, Nature)
  • ZGLP1 is a determinant for the oogenic fate in mice (2020, Science)
  • A stem cell zoo uncovers intracellular scaling of developmental tempo across mammals (2023, Cell stem cell)

Hayashi has frequently co-authored research with several collaborators. Key frequent co-authors include:

  • Hidetaka Kamigaito
  • Thomas B. Hildebrandt
  • Masafumi Hayashi
  • Sebastian Diecke
  • Nobuhiko Hamazaki

The scholar's work has appeared multiple times in prominent publication venues. Frequent venues of publication are:

  • arXiv (Cornell University)
  • Science
  • Nature
  • International Journal of Molecular Sciences
  • Scientific Reports

The volume of publications under Katsuhiko Hayashi's name reflects expertise in areas that intersect advanced genetics and reproductive biology, often involving pluripotent stem cell techniques and their applications in reproductive and developmental research. The presence of topics related to artificial intelligence suggests integration of computational methods alongside experimental biology.

Best Publications

  • Reconstitution of the Mouse Germ Cell Specification Pathway in Culture by Pluripotent Stem Cells

    Katsuhiko Hayashi;Hiroshi Ohta;Kazuki Kurimoto;Shinya Aramaki

  • Offspring from Oocytes Derived from in Vitro Primordial Germ Cell–like Cells in Mice

    Katsuhiko Hayashi;Katsuhiko Hayashi;Sugako Ogushi;Kazuki Kurimoto;So Shimamoto

  • Genetic and Epigenetic Regulators of Pluripotency

    M. Azim Surani;Katsuhiko Hayashi;Petra Hajkova

  • Dynamic equilibrium and heterogeneity of mouse pluripotent stem cells with distinct functional and epigenetic states.

    Katsuhiko Hayashi;Susana M. Chuva de Sousa Lopes;Fuchou Tang;M. Azim Surani

  • A histone H3 methyltransferase controls epigenetic events required for meiotic prophase.

    Katsuhiko Hayashi;Kayo Yoshida;Yasuhisa Matsui

  • Extensive and orderly reprogramming of genome-wide chromatin modifications associated with specification and early development of germ cells in mice.

    Yoshiyuki Seki;Katsuhiko Hayashi;Kunihiko Itoh;Michinao Mizugaki

  • Reconstitution in vitro of the entire cycle of the mouse female germ line

    Orie Hikabe;Nobuhiko Hamazaki;Go Nagamatsu;Yayoi Obata

  • SOCS-3 regulates onset and maintenance of TH2-mediated allergic responses

    Yoh Ichi Seki;Hiromasa Inoue;Naoko Nagata;Katsuhiko Hayashi

  • MicroRNA biogenesis is required for mouse primordial germ cell development and spermatogenesis.

    Katsuhiko Hayashi;Susana M. Chuva de Sousa Lopes;Masahiro Kaneda;Fuchou Tang

  • Epigenetic reversion of post-implantation epiblast to pluripotent embryonic stem cells

    Siqin Bao;Fuchou Tang;Xihe Li;Katsuhiko Hayashi

  • Induction of mouse germ-cell fate by transcription factors in vitro

    Fumio Nakaki;Katsuhiko Hayashi;Katsuhiko Hayashi;Hiroshi Ohta;Kazuki Kurimoto

  • PRDM14 ensures naive pluripotency through dual regulation of signaling and epigenetic pathways in mouse embryonic stem cells

    Masashi Yamaji;Jun Ueda;Katsuhiko Hayashi;Katsuhiko Hayashi;Hiroshi Ohta

  • Germ cell specification in mice.

    Katsuhiko Hayashi;Susana M. Chuva de Sousa Lopes;M. Azim Surani

  • Expression of the suppressor of cytokine signaling-5 (SOCS5) negatively regulates IL-4-dependent STAT6 activation and Th2 differentiation

    Yoh Ichi Seki;Katsuhiko Hayashi;Akira Matsumoto;Akira Matsumoto;Noriyasu Seki

  • A mesodermal factor, T, specifies mouse germ cell fate by directly activating germline determinants

    Shinya Aramaki;Katsuhiko Hayashi;Kazuki Kurimoto;Hiroshi Ohta

  • Generation of eggs from mouse embryonic stem cells and induced pluripotent stem cells.

    Katsuhiko Hayashi;Mitinori Saitou

  • Quantitative Dynamics of Chromatin Remodeling during Germ Cell Specification from Mouse Embryonic Stem Cells

    Kazuki Kurimoto;Yukihiro Yabuta;Katsuhiko Hayashi;Katsuhiko Hayashi;Katsuhiko Hayashi;Hiroshi Ohta

  • Self-renewing epiblast stem cells exhibit continual delineation of germ cells with epigenetic reprogramming in vitro

    Katsuhiko Hayashi;M. Azim Surani

  • The B cell-restricted adaptor BASH is required for normal development and antigen receptor-mediated activation of B cells.

    Katsuhiko Hayashi;Ryo Nittono;Noriaki Okamoto;Sachiyo Tsuji

  • Complete in vitro generation of fertile oocytes from mouse primordial germ cells

    Kanako Morohaku;Ren Tanimoto;Keisuke Sasaki;Ryouka Kawahara-Miki

Frequent Co-Authors

Mitinori Saitou
Mitinori Saitou Kyoto University
M. Azim Surani
M. Azim Surani University of Cambridge
Daisuke Kitamura
Daisuke Kitamura Tokyo University of Science
Hiroshi Ohta
Hiroshi Ohta Kyoto University
Yasuhisa Matsui
Yasuhisa Matsui Tohoku University
Susana Lopes
Susana Lopes Leiden University Medical Center
Toshio Suda
Toshio Suda National University of Singapore
Katsuhiko Shirahige
Katsuhiko Shirahige University of Tokyo
Morteza Mahmoudi
Morteza Mahmoudi Michigan State University

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