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Katsuya Okawa

Katsuya Okawa

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Biology and Biochemistry 67 8047 7424 542 508 152 29015

Katsuya Okawa publications per year

The chart shows the history of publications by Katsuya Okawa between 1991 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Katsuya Okawa published across 34 years, from 1991 to 2024, averaging 5.1 papers a year. Output peaked at 20 publications in 2023. 22 of the 175 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1991 to 2024. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2023. 1991: 1 publication 1992: 3 publications 1993: 0 publications 1994: 0 publications 1995: 1 publication 1996: 5 publications 1997: 1 publication 1998: 7 publications 1999: 14 publications 2000: 2 publications 2001: 4 publications 2002: 4 publications 2003: 4 publications 2004: 1 publication 2005: 8 publications 2006: 13 publications 2007: 10 publications 2008: 7 publications 2009: 13 publications 2010: 15 publications 2011: 11 publications 2012: 7 publications 2013: 4 publications 2014: 2 publications 2015: 3 publications 2016: 5 publications 2017: 2 publications 2018: 2 publications 2019: 3 publications 2020: 1 publication 2021: 0 publications 2022: 0 publications 2023: 20 publications 2024: 2 publications
1991 2024

175 publications in total across all disciplines

View publications per year as a table
Katsuya Okawa: publications per year, 1991 to 2024
Year Publications
1991 1
1992 3
1993 0
1994 0
1995 1
1996 5
1997 1
1998 7
1999 14
2000 2
2001 4
2002 4
2003 4
2004 1
2005 8
2006 13
2007 10
2008 7
2009 13
2010 15
2011 11
2012 7
2013 4
2014 2
2015 3
2016 5
2017 2
2018 2
2019 3
2020 1
2021 0
2022 0
2023 20
2024 2
Total 175
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Katsuya Okawa publications per year - data summary

  • Katsuya Okawa, a Biology and Biochemistry scholar from Kyowa Kirin (Japan), has 175 publications recorded across 34 years, from 1991 to 2024.
  • The oldest publication on record dates to 1991 and the most recent to 2024.
  • The most productive year is 2023, with 20 publications.
  • The least productive years with any output are 1991, 1995, 1997, 2004 and others, with 1 publication each.
  • 4 of the 34 years in the span carry no publications at all (1993, 1994, 2021 and 2022).
  • The rate of publication averages 5.1 papers per year over the whole span, or 5.8 per year counting only the 30 years with at least one publication.
  • The last 5 years on the chart (2020-2024) hold 23 publications, 13% of the career total.
  • Split into equal eras - 1991-2002: 42 publications (3.5 per year); 2003-2014: 95 publications (7.9 per year); 2015-2024: 38 publications (3.8 per year).
  • Comparing the opening and closing eras, the overall trend of publication is broadly steady.

Katsuya Okawa 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 Katsuya Okawa sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 100 bars. Horizontal axis: publications, 47–56 to 1,028+. Vertical axis: number of scientists, 0 to 980. Most scientists, 980, have 127–136 publications. The last bar groups every scientist with 1,028 publications or more. The highlighted bar, 147–156 publications, is where this scientist sits. 47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 413 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 848 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 949 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 840 scientists 207–216 publications: 733 scientists 217–226 publications: 708 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: 417 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: 196 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: 59 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 scientist 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientist 1,028+ publications: 100 scientists
47–56 publications 1,028+

This scientist: 152 publications — 27th percentile

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

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

View publications distribution as a table
Number of Biology and Biochemistry scientists by publication count, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
Publications Scientists This scientist
47–56 8
57–66 35
67–76 106
77–86 231
87–96 413
97–106 546
107–116 704
117–126 848
127–136 980
137–146 942
147–156 969 152
157–166 949
167–176 951
177–186 915
187–196 787
197–206 840
207–216 733
217–226 708
227–236 651
237–246 605
247–256 510
257–266 524
267–276 434
277–286 417
287–296 350
297–306 363
307–316 315
317–326 296
327–336 261
337–346 240
347–356 219
357–366 196
367–376 154
377–386 161
387–396 155
397–406 145
407–416 124
417–426 112
427–436 132
437–446 116
447–456 99
457–466 81
467–476 91
477–486 80
487–496 80
497–506 59
507–516 36
517–526 46
527–536 54
537–546 44
547–556 43
557–566 43
567–576 42
577–586 25
587–596 34
597–606 23
607–616 33
617–626 31
627–636 27
637–646 25
647–656 28
657–666 34
667–676 18
677–686 16
687–696 10
697–706 12
707–716 21
717–726 12
727–736 12
737–746 10
747–756 7
757–766 13
767–776 15
777–786 13
787–796 9
797–806 9
807–816 7
817–826 4
827–836 9
837–846 7
847–856 3
857–866 5
867–876 5
877–886 11
887–896 3
897–906 4
907–916 7
917–926 5
927–936 6
937–946 6
947–956 3
957–966 7
967–976 2
977–986 2
987–996 1
997–1,006 5
1,007–1,016 2
1,017–1,026 2
1,027 1
1,028+ 100
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Katsuya Okawa publication distribution in Biology and Biochemistry in 2026 - data summary

  • The chart plots the publication count of all 19,587 Biology and Biochemistry scientists ranked by Research.com in 2026, grouped into 100 ranges running from 47–56 to 1,028+ publications.
  • Katsuya Okawa, a Biology and Biochemistry scholar from Kyowa Kirin (Japan), records 152 publications - the 27th percentile of the discipline.
  • 27% of ranked Biology and Biochemistry scientists score the same or lower than Katsuya Okawa, and about 73% score higher.
  • The median of the discipline falls in the 197–206 publications range, and Katsuya Okawa ranks below the median.
  • The most crowded range is 127–136 publications, holding 980 scientists (5% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 287–296 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,028 publications or more, 100 scientists in all (<1% of the field).

Katsuya Okawa 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 Katsuya Okawa sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 65 bars. Horizontal axis: D-Index, 40–41 to 167+. Vertical axis: number of scientists, 0 to 1,253. Most scientists, 1,253, have 58–59 D-Index. The last bar groups every scientist with 167 D-Index or more. The highlighted bar, 66–67 D-Index, is where this scientist sits. 40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 316 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 899 scientists 52–53 D-Index: 1,025 scientists 54–55 D-Index: 1,149 scientists 56–57 D-Index: 1,235 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,162 scientists 62–63 D-Index: 1,130 scientists 64–65 D-Index: 1,031 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 714 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: 71 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
40–41 D-Index 167+

This scientist: 67 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Biology and Biochemistry scientists by D-index, Research.com 2026 ranking edition. Based on 19,587 ranked scientists.
D-Index Scientists This scientist
40–41 80
42–43 183
44–45 316
46–47 504
48–49 718
50–51 899
52–53 1,025
54–55 1,149
56–57 1,235
58–59 1,253
60–61 1,162
62–63 1,130
64–65 1,031
66–67 897 67
68–69 814
70–71 714
72–73 709
74–75 596
76–77 512
78–79 473
80–81 412
82–83 373
84–85 358
86–87 285
88–89 273
90–91 227
92–93 208
94–95 193
96–97 153
98–99 157
100–101 148
102–103 120
104–105 113
106–107 100
108–109 86
110–111 67
112–113 71
114–115 73
116–117 64
118–119 53
120–121 60
122–123 54
124–125 43
126–127 38
128–129 49
130–131 26
132–133 18
134–135 23
136–137 32
138–139 32
140–141 27
142–143 19
144–145 22
146–147 12
148–149 16
150–151 14
152–153 10
154–155 13
156–157 10
158–159 7
160–161 9
162–163 13
164–165 4
166 4
167+ 98
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Katsuya Okawa D-index placement in Biology and Biochemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 19,587 Biology and Biochemistry scientists ranked by Research.com in 2026, grouped into 65 ranges running from 40–41 to 167+ D-Index.
  • Katsuya Okawa, a Biology and Biochemistry scholar from Kyowa Kirin (Japan), records 67 D-Index - the 59th percentile of the discipline.
  • 59% of ranked Biology and Biochemistry scientists score the same or lower than Katsuya Okawa, and about 41% score higher.
  • The median of the discipline falls in the 64–65 D-Index range, and Katsuya Okawa ranks above the median.
  • The most crowded range is 58–59 D-Index, holding 1,253 scientists (6% of the field).
  • 71% of the field sits in the lowest quarter of the value range (up to 72–73 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 167 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Katsuya Okawa is affiliated with Kyowa Kirin in Japan and specializes in research within the field of Biochemistry, Genetics, and Molecular Biology. Their work primarily focuses on RNA-related molecular mechanisms, with notable contributions to RNA modifications and cancer, RNA research and splicing, and RNA and protein synthesis mechanisms.

Their subfields span molecular biology, cancer research, plant science, cell biology, and epidemiology. This multidisciplinary approach reflects the breadth of Okawa's research interests and outputs.

Okawa has published in several academic venues, including:

  • PNAS Nexus
  • iScience
  • Journal of Plant Growth Regulation
  • UNC Libraries

Among the recent papers authored or co-authored by Okawa are:

  • ALKBH8 contributes to neurological function through oxidative stress regulation, 2024, PNAS Nexus
  • l-Isoleucine (Ile) Promotes Anthocyanin Accumulation in Apples, 2020, Journal of Plant Growth Regulation
  • RNA-modifying enzyme Alkbh8 is involved in mouse embryonic development, 2024, iScience
  • MKKS Is a Centrosome-shuttling Protein Degraded by Disease-causing Mutations via CHIP-mediated Ubiquitination, 2020, UNC Libraries

The topics frequently addressed in Okawa's research include:

  • RNA modifications and cancer
  • RNA research and splicing
  • RNA and protein synthesis mechanisms
  • Cancer-related molecular mechanisms research
  • Plant gene expression analysis
  • Horticultural and viticultural research
  • Plant biochemistry and biosynthesis

Okawa's frequent co-authors comprise a group of researchers contributing collaboratively to various projects. These collaborators include Hiroaki Hase, M. Nakai, Kaori Kitae, Kazutake Tsujikawa, and Kohei Honda. Each has co-authored multiple publications with Okawa, reflecting ongoing research partnerships.

Best Publications

  • A caspase-activated DNase that degrades DNA during apoptosis, and its inhibitor ICAD

    Masato Enari;Hideki Sakahira;Hideki Yokoyama;Katsuya Okawa

  • Regulation of myosin phosphatase by Rho and Rho-associated kinase (Rho-kinase)

    Kazushi Kimura;Masaaki Ito;Mutsuki Amano;Kazuyasu Chihara

  • Klotho converts canonical FGF receptor into a specific receptor for FGF23

    Itaru Urakawa;Yuji Yamazaki;Takashi Shimada;Kousuke Iijima

  • Rho-associated kinase, a novel serine/threonine kinase, as a putative target for small GTP binding protein Rho

    T. Matsui;M. Amano;T. Yamamoto;K. Chihara

  • The small GTP-binding protein Rho binds to and activates a 160 kDa Ser/Thr protein kinase homologous to myotonic dystrophy kinase.

    Toshimasa Ishizaki;Midori Maekawa;Kazuko Fujisawa;Katsuya Okawa

  • Identification of a novel phosphorylation site on histone H3 coupled with mitotic chromosome condensation.

    Hidemasa Goto;Yasuko Tomono;Kozo Ajiro;Hidetaka Kosako

  • Identification of a putative target for Rho as the serine-threonine kinase protein kinase N

    Mutsuki Amano;Hideyuki Mukai;Yoshitaka Ono;Kazuyasu Chihara

  • The CENP-H-I complex is required for the efficient incorporation of newly synthesized CENP-A into centromeres.

    Masahiro Okada;Iain M. Cheeseman;Tetsuya Hori;Katsuya Okawa

  • Mutant FGF-23 responsible for autosomal dominant hypophosphatemic rickets is resistant to proteolytic cleavage and causes hypophosphatemia in vivo.

    Takashi Shimada;Takanori Muto;Itaru Urakawa;Takashi Yoneya

  • Stomagen positively regulates stomatal density in Arabidopsis

    Shigeo S. Sugano;Tomoo Shimada;Yu Imai;Katsuya Okawa

  • CCAN makes multiple contacts with centromeric DNA to provide distinct pathways to the outer kinetochore.

    Tetsuya Hori;Miho Amano;Aussie Suzuki;Chelsea B. Backer

  • BLNK Required for Coupling Syk to PLCγ2 and Rac1-JNK in B Cells

    Masamichi Ishiai;Mari Kurosaki;Rajita Pappu;Katsuya Okawa

  • Katanin, a Microtubule-Severing Protein, Is a Novel AAA ATPase that Targets to the Centrosome Using a WD40-Containing Subunit

    James J Hartman;Jeff Mahr;Karen McNally;Katsuya Okawa

  • Cutting edge: combined treatment of TNF-alpha and IFN-gamma causes redistribution of junctional adhesion molecule in human endothelial cells.

    Harunobu Ozaki;Kenji Ishii;Hisanori Horiuchi;Hidenori Arai

  • The RIG-I-like receptor IFIH1/MDA5 is a dermatomyositis-specific autoantigen identified by the anti-CADM-140 antibody

    Ran Nakashima;Yoshitaka Imura;Shio Kobayashi;Naoichiro Yukawa

  • The TDRD9-MIWI2 complex is essential for piRNA-mediated retrotransposon silencing in the mouse male germline.

    Masanobu Shoji;Takashi Tanaka;Mihoko Hosokawa;Michael Reuter

  • Rho-associated Kinase of Chicken Gizzard Smooth Muscle

    Jianhua Feng;Masaaki Ito;Yasuko Kureishi;Kazuhito Ichikawa

  • Cloning of chlorophyllase, the key enzyme in chlorophyll degradation: finding of a lipase motif and the induction by methyl jasmonate.

    Tohru Tsuchiya;Hiroyuki Ohta;Katsuya Okawa;Akihiro Iwamatsu

  • The exocyst complex binds the small GTPase RalA to mediate filopodia formation.

    Kazuhiro Sugihara;Shiro Asano;Kenichi Tanaka;Akihiro Iwamatsu

  • Oxidized forms of peroxiredoxins and DJ-1 on two-dimensional gels increased in response to sublethal levels of paraquat.

    Atsushi Mitsumoto;Yasuhito Nakagawa;Akira Takeuchi;Katsuya Okawa

Frequent Co-Authors

Akihiro Iwamatsu
Akihiro Iwamatsu Osaka University
Toru Kita
Toru Kita Kyoto University
Shun Shimohama
Shun Shimohama Sapporo Medical University
Tatsuo Fukagawa
Tatsuo Fukagawa Osaka University
Hisanori Horiuchi
Hisanori Horiuchi Tohoku University
Takashi Matozaki
Takashi Matozaki Kobe University
Kozo Kaibuchi
Kozo Kaibuchi Nagoya University
Shinji Nakao
Shinji Nakao Kanazawa University
Makoto Mark Taketo
Makoto Mark Taketo Kyoto University

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