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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Molecular Biology 59 2022 1818 162 150 211 12167

Hisao Masai publications per year

The chart shows the history of publications by Hisao Masai between 1983 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hisao Masai published across 43 years, from 1983 to 2025, averaging 5.4 papers a year. Output peaked at 14 publications in 2017. 15 of the 231 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1983 to 2025. Vertical axis: number of publications, 0 to 14. Peak 14 publications in 2017. 1983: 1 publication 1984: 0 publications 1985: 0 publications 1986: 1 publication 1987: 1 publication 1988: 3 publications 1989: 2 publications 1990: 3 publications 1991: 0 publications 1992: 1 publication 1993: 0 publications 1994: 2 publications 1995: 3 publications 1996: 6 publications 1997: 3 publications 1998: 4 publications 1999: 5 publications 2000: 4 publications 2001: 6 publications 2002: 5 publications 2003: 8 publications 2004: 3 publications 2005: 8 publications 2006: 10 publications 2007: 3 publications 2008: 9 publications 2009: 3 publications 2010: 11 publications 2011: 5 publications 2012: 10 publications 2013: 9 publications 2014: 6 publications 2015: 8 publications 2016: 10 publications 2017: 14 publications 2018: 5 publications 2019: 12 publications 2020: 7 publications 2021: 7 publications 2022: 9 publications 2023: 9 publications 2024: 9 publications 2025: 6 publications
1983 2025

231 publications in total across all disciplines

View publications per year as a table
Hisao Masai: publications per year, 1983 to 2025
Year Publications
1983 1
1984 0
1985 0
1986 1
1987 1
1988 3
1989 2
1990 3
1991 0
1992 1
1993 0
1994 2
1995 3
1996 6
1997 3
1998 4
1999 5
2000 4
2001 6
2002 5
2003 8
2004 3
2005 8
2006 10
2007 3
2008 9
2009 3
2010 11
2011 5
2012 10
2013 9
2014 6
2015 8
2016 10
2017 14
2018 5
2019 12
2020 7
2021 7
2022 9
2023 9
2024 9
2025 6
Total 231
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Hisao Masai 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 Hisao Masai 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, 207–216 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: 211 publications — 62nd percentile

62% 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
137–146 158
147–156 146
157–166 159
167–176 131
177–186 110
187–196 112
197–206 100
207–216 89 211
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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Hisao Masai 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 Hisao Masai 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, 58–59 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: 59 D-Index — 35th percentile

35% 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 59
60–61 120
62–63 105
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

Hisao Masai is affiliated with the Tokyo Metropolitan Institute of Medical Science in Japan. Their research primarily lies within the broad field of Biochemistry, Genetics and Molecular Biology, with a strong emphasis on Molecular Biology as a subfield. Their work also touches on Cell Biology, Cancer Research, Immunology, and Materials Chemistry.

Their contributions span various main topics including DNA Repair Mechanisms, DNA and Nucleic Acid Chemistry, Genomics and Chromatin Dynamics, Microtubule and Mitosis Dynamics, RNA Research and Splicing, Advanced Biosensing and Bioanalysis Techniques, and CRISPR and Genetic Engineering.

Hisao Masai's recent papers showcase areas of focus and contributions in molecular biology and DNA research. Notable publications include:

  • G-quadruplex DNA and RNA: Their roles in regulation of DNA replication and other biological functions (2020, Biochemical and Biophysical Research Communications)

Frequent coauthors working with Hisao Masai include Chi-Chun Yang, Naoko Yoshizawa-Sugata, Yutaka Kanoh, Hao-Wen Hsiao, and Hiroyuki Sasanuma.

Their work is often published in venues such as:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Biochemical and Biophysical Research Communications
  • The Journal of Biochemistry
  • Genes to Cells
  • Chemical & Biomedical Imaging

Best Publications

  • Visualizing Spatiotemporal Dynamics of Multicellular Cell-Cycle Progression

    Asako Sakaue-Sawano;Hiroshi Kurokawa;Toshifumi Morimura;Aki Hanyu

  • Eukaryotic chromosome DNA replication: where, when, and how?

    Hisao Masai;Seiji Matsumoto;Zhiying You;Naoko Yoshizawa-Sugata

  • Rif1 regulates the replication timing domains on the human genome

    Satoshi Yamazaki;Aii Ishii;Yutaka Kanoh;Masako Oda

  • Rif1 is a global regulator of timing of replication origin firing in fission yeast

    Motoshi Hayano;Yutaka Kanoh;Seiji Matsumoto;Claire Renard-Guillet

  • Cdc7 kinase complex: a key regulator in the initiation of DNA replication.

    Hisao Masai;Hisao Masai;Ken-Ichi Arai

  • Phosphorylation of MCM4 by Cdc7 Kinase Facilitates Its Interaction with Cdc45 on the Chromatin

    Hisao Masai;Chika Taniyama;Keiko Ogino;Etsuko Matsui

  • hsk1+, a Schizosaccharomyces pombe gene related to Saccharomyces cerevisiae CDC7, is required for chromosomal replication.

    H. Masai;T. Miyake;K.-I. Arai

  • Human and Xenopus cDNAs encoding budding yeast Cdc7-related kinases: in vitro phosphorylation of MCM subunits by a putative human homologue of Cdc7.

    Noriko Sato;Ken‐ichi Arai;Hisao Masai

  • Human Cdc7-related Kinase Complex: IN VITRO PHOSPHORYLATION OF MCM BY CONCERTED ACTIONS OF Cdks AND Cdc7 AND THAT OF A CRITICAL THREONINE RESIDUE OF Cdc7 BY Cdks *

    Hisao Masai;Etsuko Matsui;Zhiying You;Yukio Ishimi

  • Rif1 binds to G quadruplexes and suppresses replication over long distances

    Yutaka Kanoh;Seiji Matsumoto;Rino Fukatsu;Naoko Kakusho

  • A novel growth- and cell cycle-regulated protein, ASK, activates human Cdc7-related kinase and is essential for G1/S transition in mammalian cells.

    Hiroyuki Kumagai;Noriko Sato;Masayuki Yamada;Daniel Mahony

  • Human Tim/Timeless-interacting Protein, Tipin, Is Required for Efficient Progression of S Phase and DNA Replication Checkpoint

    Naoko Yoshizawa-Sugata;Hisao Masai

  • Escherichia coli PriA protein is essential for inducible and constitutive stable DNA replication.

    H. Masai;T. Asai;Y. Kubota;K.-I. Arai

  • Cdc7-dependent phosphorylation of Mer2 facilitates initiation of yeast meiotic recombination

    Hiroyuki Sasanuma;Kouji Hirota;Tomoyuki Fukuda;Naoko Kakusho

  • A Fission Yeast Gene, him1+/dfp1+, Encoding a Regulatory Subunit for Hsk1 Kinase, Plays Essential Roles in S-Phase Initiation as Well as in S-Phase Checkpoint Control and Recovery from DNA Damage

    Tadayuki Takeda;Keiko Ogino;Etsuko Matsui;Min Kwan Cho

  • Cell Cycle and Developmental Regulations of Replication Factors in Mouse Embryonic Stem Cells

    Hiroko Fujii-Yamamoto;Hiroko Fujii-Yamamoto;Jung Min Kim;Ken-ichi Arai;Hisao Masai

  • Regulation of initiation of S phase, replication checkpoint signaling, and maintenance of mitotic chromosome structures during S phase by Hsk1 kinase in the fission yeast.

    Tadayuki Takeda;Keiko Ogino;Kazuo Tatebayashi;Hideo Ikeda

  • Phosphorylation of TAR DNA-binding Protein of 43 kDa (TDP-43) by Truncated Casein Kinase 1δ Triggers Mislocalization and Accumulation of TDP-43

    Takashi Nonaka;Genjiro Suzuki;Yoshinori Tanaka;Fuyuki Kametani

  • Cdc7 kinase mediates Claspin phosphorylation in DNA replication checkpoint.

    J M Kim;N Kakusho;M Yamada;Y Kanoh

  • The ABC-primosome. A novel priming system employing dnaA, dnaB, dnaC, and primase on a hairpin containing a dnaA box sequence.

    H. Masai;N. Nomura;K.-I. Arai

Frequent Co-Authors

Ken-ichi Arai
Ken-ichi Arai University of Tokyo
Noriko Sato
Noriko Sato Tokyo Medical and Dental University
Daisuke Kohda
Daisuke Kohda Kyushu University
Kazuo Nagasawa
Kazuo Nagasawa Tokyo University of Agriculture and Technology
Toshiki Tsurimoto
Toshiki Tsurimoto Kyushu University
Lorenz Poellinger
Lorenz Poellinger Karolinska Institute
Katsumi Maenaka
Katsumi Maenaka Hokkaido University
Kunihiro Ohta
Kunihiro Ohta University of Tokyo
Katsuhiko Shirahige
Katsuhiko Shirahige University of Tokyo

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