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
Medicine 86 13997 13180 418 395 1000 31162

Koji Abe publications per year

The chart shows the history of publications by Koji Abe between 1969 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Koji Abe published across 57 years, from 1969 to 2025, averaging 18.6 papers a year. Output peaked at 59 publications in 2017. 7 of the 1,059 publications appeared in the last two years.

No. of publications
10 20 30 40 50
Bar chart. Horizontal axis: year, 1969 to 2025. Vertical axis: number of publications, 0 to 59. Peak 59 publications in 2017. 1969: 1 publication 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 2 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 1 publication 1986: 1 publication 1987: 3 publications 1988: 3 publications 1989: 3 publications 1990: 2 publications 1991: 5 publications 1992: 6 publications 1993: 18 publications 1994: 3 publications 1995: 10 publications 1996: 12 publications 1997: 25 publications 1998: 25 publications 1999: 41 publications 2000: 34 publications 2001: 40 publications 2002: 50 publications 2003: 55 publications 2004: 21 publications 2005: 35 publications 2006: 22 publications 2007: 29 publications 2008: 16 publications 2009: 27 publications 2010: 18 publications 2011: 50 publications 2012: 53 publications 2013: 42 publications 2014: 41 publications 2015: 42 publications 2016: 48 publications 2017: 59 publications 2018: 48 publications 2019: 42 publications 2020: 55 publications 2021: 42 publications 2022: 15 publications 2023: 7 publications 2024: 5 publications 2025: 2 publications
1969 2025

1,059 publications in total across all disciplines

View publications per year as a table
Koji Abe: publications per year, 1969 to 2025
Year Publications
1969 1
1970 0
1971 0
1972 0
1973 2
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 1
1986 1
1987 3
1988 3
1989 3
1990 2
1991 5
1992 6
1993 18
1994 3
1995 10
1996 12
1997 25
1998 25
1999 41
2000 34
2001 40
2002 50
2003 55
2004 21
2005 35
2006 22
2007 29
2008 16
2009 27
2010 18
2011 50
2012 53
2013 42
2014 41
2015 42
2016 48
2017 59
2018 48
2019 42
2020 55
2021 42
2022 15
2023 7
2024 5
2025 2
Total 1,059
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Koji Abe publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Koji Abe sits on this spectrum.

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 981–1,000 publications, is where this scientist sits. 101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 610 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101–120 publications 1,796+

This scientist: 1,000 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922
361–380 838
381–400 861
401–420 918
421–440 806
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116
941–960 133
961–980 91
981–1,000 96 1,000
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51
1,161–1,180 35
1,181–1,200 39
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12
1,741–1,760 14
1,761–1,780 6
1,781–1,795 5
1,796+ 100
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Koji Abe D-index placement in Medicine in 2026

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

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 86–87 D-Index, is where this scientist sits. 70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 399 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70–71 D-Index 217+

This scientist: 86 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003
86–87 960 86
88–89 970
90–91 922
92–93 839
94–95 808
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318
118–119 302
120–121 287
122–123 255
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
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Overview

Koji Abe is affiliated with Okayama University in Japan, focusing primarily on medical research. Their scholarly work spans several interconnected subfields within medicine, including neurology, epidemiology, surgery, molecular biology, and pulmonary and respiratory medicine.

Their research topics cover a range of neurological and neurodegenerative conditions, with notable emphasis on:

  • Alzheimer's disease research and treatments
  • Acute ischemic stroke management
  • Parkinson's disease mechanisms and treatments
  • Neuroinflammation and neurodegeneration mechanisms
  • Head and neck surgical oncology
  • Genetic neurodegenerative diseases
  • Head and neck cancer studies

Koji Abe has coauthored numerous papers alongside frequent collaborators such as Toru Yamashita, Ryuta Morihara, Mami Takemoto, Yoshiaki Kitamura, and Noriaki Takeda. These collaborations reflect a multidisciplinary approach within their research scope.

The scientist's published works have appeared repeatedly in several journals, notably:

  • Practica oto-rhino-laryngologica Suppl
  • Journal of Alzheimer s Disease
  • Neurology and Clinical Neuroscience
  • Journal of the Neurological Sciences
  • Case Reports in Neurology

Representative recent papers include:

  • "Mitochondrial UQCRC1 mutations cause autosomal dominant parkinsonism with polyneuropathy", 2020, Brain
  • "Protective and anti-oxidative effects of curcumin and resveratrol on Aβ-oligomer-induced damage in the SH-SY5Y cell line", 2022, Journal of the Neurological Sciences
  • "Protective effects of edaravone on white matter pathology in a novel mouse model of Alzheimer's disease with chronic cerebral hypoperfusion", 2020, Journal of Cerebral Blood Flow & Metabolism
  • "The Efficacy of Sertraline, Escitalopram, and Nicergoline in the Treatment of Depression and Apathy in Alzheimer's Disease: The Okayama Depression and Apathy Project (ODAP)", 2020, Journal of Alzheimer s Disease
  • "Correlation Analysis of Neutrophil/Albumin Ratio and Leukocyte Count/ Albumin Ratio with Ischemic Stroke Severity", 2023, Cardiology and Cardiovascular Medicine

Best Publications

  • Mutations of optineurin in amyotrophic lateral sclerosis

    Hirofumi Maruyama;Hiroyuki Morino;Hidefumi Ito;Hidefumi Ito;Yuishin Izumi

  • Subventricular Zone-Derived Neuroblasts Migrate and Differentiate into Mature Neurons in the Post-Stroke Adult Striatum

    Toru Yamashita;Mikiko Ninomiya;Mikiko Ninomiya;Pilar Hernández Acosta;Jose Manuel García-Verdugo

  • Safety and efficacy of edaravone in well defined patients with amyotrophic lateral sclerosis: a randomised, double-blind, placebo-controlled trial

    Koji Abe;Masashi Aoki;Shoji Tsuji;Yasuto Itoyama

  • Strong attenuation of ischemic and postischemic brain edema in rats by a novel free radical scavenger.

    Koji Abe;Satoshi Yuki;Kyuya Kogure

  • Longitudinal study of cerebrospinal fluid levels of tau, Aβ1–40, and Aβ1–42(43) in Alzheimer's disease: A study in Japan

    M. Kanai;E. Matsubara;K. Isoe;K. Urakami

  • Rapid induction of vascular endothelial growth factor gene expression after transient middle cerebral artery occlusion in rats.

    T. Hayashi;K. Abe;H. Suzuki;Y. Itoyama

  • Dimeric Amyloid β Protein Rapidly Accumulates in Lipid Rafts followed by Apolipoprotein E and Phosphorylated Tau Accumulation in the Tg2576 Mouse Model of Alzheimer's Disease

    Takeshi Kawarabayashi;Mikio Shoji;Linda H. Younkin;Lin Wen-Lang

  • Melatonin increases survival and inhibits oxidative and amyloid pathology in a transgenic model of Alzheimer's disease

    Etsuro Matsubara;Tara Bryant-Thomas;Javier Pacheco Quinto;Tracey L. Henry

  • Confirmatory double-blind, parallel-group, placebo-controlled study of efficacy and safety of edaravone (MCI-186) in amyotrophic lateral sclerosis patients

    Koji Abe;Yasuto Itoyama;Gen Sobue;Shoji Tsuji

  • Mechanism of arachidonic acid liberation during ischemia in gerbil cerebral cortex.

    Koji Abe;Kyuya Kogure;Hirotaka Yamamoto;Masaoki Imazawa

  • Therapeutic potential of neurotrophic factors and neural stem cells against ischemic brain injury.

    Koji Abe

  • Expansions of intronic TTTCA and TTTTA repeats in benign adult familial myoclonic epilepsy.

    Hiroyuki Ishiura;Koichiro Doi;Jun Mitsui;Jun Yoshimura

  • Increased autophagy in transgenic mice with a G93A mutant SOD1 gene

    Nobutoshi Morimoto;Makiko Nagai;Yasuyuki Ohta;Kazunori Miyazaki

  • Expansion of Intronic GGCCTG Hexanucleotide Repeat in NOP56 Causes SCA36, a Type of Spinocerebellar Ataxia Accompanied by Motor Neuron Involvement

    Hatasu Kobayashi;Koji Abe;Tohru Matsuura;Yoshio Ikeda

  • Mild ALS in Japan associated with novel SOD mutation

    M Aoki;M Ogasawara;Y Matsubara;K Narisawa

  • Tridermal tumorigenesis of induced pluripotent stem cells transplanted in ischemic brain

    Hiromi Kawai;Toru Yamashita;Yasuyuki Ohta;Kentaro Deguchi

  • Selective induction of Kunitz-type protease inhibitor domain-containing amyloid precursor protein mRNA after persistent focal ischemia in rat cerebral cortex.

    Koji Abe;Rudolph E. Tanzi;Kyuya Kogure

  • Blockade of interleukin-6 signaling aggravates ischemic cerebral damage in mice: possible involvement of Stat3 activation in the protection of neurons.

    Toru Yamashita;Kazunobu Sawamoto;Shigeaki Suzuki;Norihiro Suzuki

  • Upregulation of protein-tyrosine nitration in the anterior horn cells of amyotrophic lateral sclerosis

    Abe K;Pan Lh;Watanabe M;Konno H

  • Mutations of optineurin in amyotrophic lateral

    Hirofumi Maruyama;Hiroyuki Morino;Hidefumi Ito;Yuishin Izumi

Frequent Co-Authors

Mikio Shoji
Mikio Shoji Hirosaki University
Yasuto Itoyama
Yasuto Itoyama Tohoku University
Kyuya Kogure
Kyuya Kogure Tohoku University
Gen Sobue
Gen Sobue Aichi Medical University
Ichizo Nishino
Ichizo Nishino Tokyo Medical University
Shoji Tsuji
Shoji Tsuji University of Tokyo
Michihiro Yoshimura
Michihiro Yoshimura Jikei University School of Medicine
Hisao Ogawa
Hisao Ogawa Kumamoto University
Masahisa Katsuno
Masahisa Katsuno Nagoya University
Hirofumi Yasue
Hirofumi Yasue Kumamoto University

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