World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Biology and Biochemistry 80 4056 3740 264 246 354 24143

Atsushi Ichikawa publications per year

The chart shows the history of publications by Atsushi Ichikawa between 1967 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Atsushi Ichikawa published across 59 years, from 1967 to 2025, averaging 6.3 papers a year. Output peaked at 24 publications in 1993. 9 of the 374 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1967 to 2025. Vertical axis: number of publications, 0 to 24. Peak 24 publications in 1993. 1967: 1 publication 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 1 publication 1972: 3 publications 1973: 0 publications 1974: 1 publication 1975: 0 publications 1976: 1 publication 1977: 1 publication 1978: 0 publications 1979: 0 publications 1980: 5 publications 1981: 1 publication 1982: 1 publication 1983: 2 publications 1984: 3 publications 1985: 6 publications 1986: 3 publications 1987: 2 publications 1988: 2 publications 1989: 4 publications 1990: 7 publications 1991: 16 publications 1992: 21 publications 1993: 24 publications 1994: 19 publications 1995: 23 publications 1996: 17 publications 1997: 20 publications 1998: 16 publications 1999: 15 publications 2000: 16 publications 2001: 16 publications 2002: 22 publications 2003: 20 publications 2004: 9 publications 2005: 8 publications 2006: 4 publications 2007: 7 publications 2008: 6 publications 2009: 7 publications 2010: 7 publications 2011: 2 publications 2012: 3 publications 2013: 0 publications 2014: 4 publications 2015: 2 publications 2016: 2 publications 2017: 0 publications 2018: 3 publications 2019: 4 publications 2020: 2 publications 2021: 1 publication 2022: 3 publications 2023: 2 publications 2024: 4 publications 2025: 5 publications
1967 2025

374 publications in total across all disciplines

View publications per year as a table
Atsushi Ichikawa: publications per year, 1967 to 2025
Year Publications
1967 1
1968 0
1969 0
1970 0
1971 1
1972 3
1973 0
1974 1
1975 0
1976 1
1977 1
1978 0
1979 0
1980 5
1981 1
1982 1
1983 2
1984 3
1985 6
1986 3
1987 2
1988 2
1989 4
1990 7
1991 16
1992 21
1993 24
1994 19
1995 23
1996 17
1997 20
1998 16
1999 15
2000 16
2001 16
2002 22
2003 20
2004 9
2005 8
2006 4
2007 7
2008 6
2009 7
2010 7
2011 2
2012 3
2013 0
2014 4
2015 2
2016 2
2017 0
2018 3
2019 4
2020 2
2021 1
2022 3
2023 2
2024 4
2025 5
Total 374
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Atsushi Ichikawa 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 Atsushi Ichikawa 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, 347–356 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: 354 publications — 86th percentile

86% 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
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
347–356 219 354
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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Atsushi Ichikawa 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 Atsushi Ichikawa 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, 80–81 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: 80 D-Index — 80th percentile

80% 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
68–69 814
70–71 714
72–73 709
74–75 596
76–77 512
78–79 473
80–81 412 80
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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Overview

Atsushi Ichikawa is affiliated with Mukogawa Women's University in Japan and has contributed extensively to research primarily within the fields of Medicine and Biochemistry, Genetics and Molecular Biology. Their scholarly work spans several specific subfields, including Molecular Biology, Radiology, Nuclear Medicine and Imaging, Physiology, Organic Chemistry, and Pharmacology.

The research topics covered by Atsushi Ichikawa focus on Lysosomal Storage Disorders Research, Carbohydrate Chemistry and Synthesis, Child Nutrition and Feeding Issues, Pregnancy and preeclampsia studies, Lipid Membrane Structure and Behavior, Pharmacogenetics and Drug Metabolism, and Drug Transport and Resistance Mechanisms.

The scientist's recent publications demonstrate a wide range of investigation areas and contributions to various scientific journals. Notable recent papers include:

  • Fine-tuned cholesterol solubilizer, mono-6-O-α-D-maltosyl-γ-cyclodextrin, ameliorates experimental Niemann-Pick disease type C without hearing loss (2022, Biomedicine & Pharmacotherapy)
  • Unique Genotyping Protocol of CYP2D6 Allele Frequency Using Real Time Quantitative PCR from Japanese Healthy Women (2020, Biological and Pharmaceutical Bulletin)
  • Lipocalin-type prostaglandin D synthase regulates light-induced phase advance of the central circadian rhythm in mice (2020, Communications Biology)
  • Donepezil, an anti-Alzheimer's disease drug, promotes differentiation and regeneration in injured skeletal muscle through the elevation of the expression of myogenic regulatory factors (2021, European Journal of Pharmacology)
  • Lightweight stiffness-dominated acoustic metamaterial barrier for low-frequency sound (2023, Journal of Applied Physics)

Atsushi Ichikawa has frequently published in venues such as Cureus and Medical Research Archives, each featuring two of their works, alongside contributions to Biomedicine & Pharmacotherapy, Biological and Pharmaceutical Bulletin, and Communications Biology.

Their research collaborations include repeated partnerships with several coauthors, indicating ongoing collaborative efforts. Frequent co-authors have included Yasuyo Okada, Katsumi Higaki, Muneaki Matsuo, Tetsumi Irie, and Yoichi Ishitsuka.

Best Publications

  • Altered pain perception and inflammatory response in mice lacking prostacyclin receptor

    Takahiko Murata;Fumitaka Ushikubi;Toshiyuki Matsuoka;Masakazu Hirata

  • Impaired febrile response in mice lacking the prostaglandin E receptor subtype EP3.

    Fumitaka Ushikubi;Eri Segi;Yukihiko Sugimoto;Takahiko Murata

  • Failure of Parturition in Mice Lacking the Prostaglandin F Receptor

    Yukihiko Sugimoto;Atsushi Yamasaki;Eri Segi;Kazuhito Tsuboi

  • Alternative splicing of C-terminal tail of prostaglandin E receptor subtype EP3 determines G-protein specificity.

    Tsunehisa Namba;Yukihiko Sugimoto;Manabu Negishi;Atsushi Irie

  • Abortive expansion of the cumulus and impaired fertility in mice lacking the prostaglandin E receptor subtype EP2

    Hiroko Hizaki;Eri Segi;Yukihiko Sugimoto;Masaya Hirose;Masaya Hirose

  • The role of prostaglandin E receptor subtypes (EP1, EP2, EP3, and EP4) in bone resorption: an analysis using specific agonists for the respective EPs.

    Tetsuo Suzawa;Chisato Miyaura;Masaki Inada;Takayuki Maruyama

  • Molecular mechanisms of diverse actions of prostanoid receptors

    Manabu Negishi;Yukihiko Sugimoto;Atsushi Ichikawa

  • The prostaglandin receptor EP4 suppresses colitis, mucosal damage and CD4 cell activation in the gut

    Kenji Kabashima;Tomomi Saji;Takahiko Murata;Miyako Nagamachi

  • Cloning and expression of a cDNA for mouse prostaglandin E receptor EP2 subtype.

    Akiko Honda;Yukihiko Sugimoto;Tsunehisa Namba;Akiko Watabe

  • Mice lacking histidine decarboxylase exhibit abnormal mast cells

    Hiroshi Ohtsu;Satoshi Tanaka;Tadashi Terui;Yoshio Hori

  • Cloning and expression of cDNA for a mouse EP1 subtype of prostaglandin E receptor

    Akiko Watabe;Yukihiko Sugimoto;Akiko Honda;Atsushi Irie

  • Patent ductus arteriosus and neonatal death in prostaglandin receptor EP4-deficient mice

    Eri Segi;Yukihiko Sugimoto;Atsushi Yamasaki;Yoshiya Aze

  • cDNA cloning of a mouse prostacyclin receptor. Multiple signaling pathways and expression in thymic medulla.

    T Namba;H Oida;Y Sugimoto;A Kakizuka

  • A Pyrazole Derivative, YM-58483, Potently Inhibits Store-Operated Sustained Ca2+ Influx and IL-2 Production in T Lymphocytes

    Jun Ishikawa;Keiko Ohga;Taiji Yoshino;Ryuichi Takezawa

  • Cloning and expression of a cDNA for mouse prostaglandin F receptor

    Yukihiko Sugimoto;Ken Yuh Hasumoto;Tsunehisa Namba;Atsushi Irie

  • Two isoforms of the EP3 receptor with different carboxyl-terminal domains. Identical ligand binding properties and different coupling properties with Gi proteins.

    Yukihiko Sugimoto;Manabu Negishi;Yasunori Hayashi;Tsunehisa Namba

  • Impaired bone resorption to prostaglandin E2 in prostaglandin E receptor EP4-knockout mice.

    Chisato Miyaura;Chisato Miyaura;Masaki Inada;Masaki Inada;Tetsuo Suzawa;Yukihiko Sugimoto

  • Two Gs-coupled prostaglandin E receptor subtypes, EP2 and EP4, differ in desensitization and sensitivity to the metabolic inactivation of the agonist

    N Nishigaki;M Negishi;A Ichikawa

  • Characterization of EP receptor subtypes responsible for prostaglandin E2-induced pain responses by use of EP1 and EP3 receptor knockout mice

    Toshiaki Minami;Hiroyuki Nakano;Takuya Kobayashi;Yukihiko Sugimoto

  • Distribution and function of prostanoid receptors: studies from knockout mice.

    Yukihiko Sugimoto;Shuh Narumiya;Atsushi Ichikawa

Frequent Co-Authors

Yukihiko Sugimoto
Yukihiko Sugimoto Kumamoto University
Manabu Negishi
Manabu Negishi Kyoto University
Shuh Narumiya
Shuh Narumiya Kyoto University
Hironori Katoh
Hironori Katoh Kyoto University
Hitoshi Hashimoto
Hitoshi Hashimoto Osaka University
Hiroshi Hasegawa
Hiroshi Hasegawa Kanazawa University
Andras Nagy
Andras Nagy Lunenfeld-Tanenbaum Research Institute
Nobuaki Yoshida
Nobuaki Yoshida University of Tokyo
Kazuwa Nakao
Kazuwa Nakao Kyoto University
Kazuhiro Nakamura
Kazuhiro Nakamura Nagoya University

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