Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field rankings in world, region, country, and university are in Beta version and are subject to real-time updates, since the subject field “Others” (1,121,289 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded. These rankings will dynamically evolve in real time as the “Others” profiles are revised and classified. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 3
Hiroaki Sakurai
Biochemistry/Molecular Biology
Oncolog
Metrics
 
H-Index
i10 Index
Citation
61
166
13,390
* Rankings
Ranking Based On Selection: 5
Isao Kitajima
Clinical laboratory
Molecular Patholog
Metrics
 
H-Index
i10 Index
Citation
54
148
10,213
* Rankings
Ranking Based On Selection: 6
Takao Keizo
Behavioral Physiology
Neuroscienc
Metrics
 
H-Index
i10 Index
Citation
53
101
11,107
* Rankings
Ranking Based On Selection: 7
Suresh Awale
Natural Products Chemistry
Pancreatic cancer Research
Anti-cancer Drug Discovery
Anti-austerity Strategy
Cancer metabolomic
Metrics
 
H-Index
i10 Index
Citation
53
152
22,807
* Rankings
Ranking Based On Selection: 11
Shiro Watanabe
keratinocyt
Metrics
 
H-Index
i10 Index
Citation
47
237
12,628
* Rankings
Ranking Based On Selection: 12
Kouhei Matsuda
比較内分泌学、神経行動学、神経内分泌�
Metrics
 
H-Index
i10 Index
Citation
43
121
5,787
* Rankings
Ranking Based On Selection: 13
Y Hatano
Nuclear Fusion
Tritium Science and Technology
Materials Scienc
Metrics
 
H-Index
i10 Index
Citation
37
151
5,524
* Rankings
Ranking Based On Selection: 17
Takashi Nakagawa
NAD metabolism
Metabolomics
Mitochondria
Agin
Metrics
 
H-Index
i10 Index
Citation
34
49
7,153
* Rankings
Ranking Based On Selection: 18
Tatsuya Ishiyama
physical chemistry
molecular simulatio
Metrics
 
H-Index
i10 Index
Citation
33
57
3,578
* Rankings
Ranking Based On Selection: 19
Minoru Nakano
Biophysical Chemistry
Biointerfaces
Phospholipids
Fluorescence
Small Angle Neutron Scatterin
Metrics
 
H-Index
i10 Index
Citation
31
58
2,967
* Rankings
Ranking Based On Selection: 22
Masahiro Hori
aerosol
cloud
snow and ice
river
the arctic environmen
Metrics
 
H-Index
i10 Index
Citation
27
47
2,844
* Rankings
Ranking Based On Selection: 23
Hideki Kuramitz
Analytical Chemistry
Environmental Chemistry
Electrochemistr
Metrics
 
H-Index
i10 Index
Citation
27
76
2,836
* Rankings
Ranking Based On Selection: 24
山本誠士
血管、ペリサイト、神経幹細�
Metrics
 
H-Index
i10 Index
Citation
27
31
2,518
Rankings
Ranking Based On Selection: 1
Kiyoshi Takatsu
Metrics
 
H-Index
i10 Index
Citation Counts
97
298
34,228
Rankings
Ranking Based On Selection: 2
Satoshi Kuroda
Metrics
 
H-Index
i10 Index
Citation Counts
77
275
21,413
Rankings
Ranking Based On Selection: 3
Hiroaki Sakurai
Metrics
 
H-Index
i10 Index
Citation Counts
61
166
13,390
Rankings
Ranking Based On Selection: 4
Yoshihiro Hayakawa
Metrics
 
H-Index
i10 Index
Citation Counts
58
131
19,332
Rankings
Ranking Based On Selection: 5
Isao Kitajima
Metrics
 
H-Index
i10 Index
Citation Counts
54
148
10,213
Clinical laboratory
Molecular Patholog
Rankings
Ranking Based On Selection: 6
Takao Keizo
Metrics
 
H-Index
i10 Index
Citation Counts
53
101
11,107
Behavioral Physiology
Neuroscienc
Rankings
Ranking Based On Selection: 7
Suresh Awale
Metrics
 
H-Index
i10 Index
Citation Counts
53
152
22,807
Natural Products Chemistry
Pancreatic cancer Research
Anti-cancer Drug Discovery
Anti-austerity Strategy
Cancer metabolomic
Rankings
Ranking Based On Selection: 8
Atsumi Nitta
Metrics
 
H-Index
i10 Index
Citation Counts
53
139
9,347
Rankings
Ranking Based On Selection: 9
Kaoru Inokuchi
Metrics
 
H-Index
i10 Index
Citation Counts
53
108
9,876
Rankings
Ranking Based On Selection: 10
清水忠道
Metrics
 
H-Index
i10 Index
Citation Counts
47
171
8,570
Rankings
Ranking Based On Selection: 11
Shiro Watanabe
Metrics
 
H-Index
i10 Index
Citation Counts
47
237
12,628
Rankings
Ranking Based On Selection: 12
Kouhei Matsuda
Metrics
 
H-Index
i10 Index
Citation Counts
43
121
5,787
比較内分泌学、神経行動学、神経内分泌�
Rankings
Ranking Based On Selection: 13
Y Hatano
Metrics
 
H-Index
i10 Index
Citation Counts
37
151
5,524
Rankings
Ranking Based On Selection: 14
Ichiro Takasaki
Metrics
 
H-Index
i10 Index
Citation Counts
37
81
3,640
Rankings
Ranking Based On Selection: 15
Masaharu Isobe
Metrics
 
H-Index
i10 Index
Citation Counts
36
68
6,056
Rankings
Ranking Based On Selection: 17
Takashi Nakagawa
Metrics
 
H-Index
i10 Index
Citation Counts
34
49
7,153
NAD metabolism
Metabolomics
Mitochondria
Agin
Rankings
Ranking Based On Selection: 18
Tatsuya Ishiyama
Metrics
 
H-Index
i10 Index
Citation Counts
33
57
3,578
Rankings
Ranking Based On Selection: 19
Minoru Nakano
Metrics
 
H-Index
i10 Index
Citation Counts
31
58
2,967
Biophysical Chemistry
Biointerfaces
Phospholipids
Fluorescence
Small Angle Neutron Scatterin
Rankings
Ranking Based On Selection: 20
Shin Kawano
Metrics
 
H-Index
i10 Index
Citation Counts
29
37
5,775
Rankings
Ranking Based On Selection: 21
Koichi Maezawa
Metrics
 
H-Index
i10 Index
Citation Counts
29
86
4,143
Rankings
Ranking Based On Selection: 22
Masahiro Hori
Metrics
 
H-Index
i10 Index
Citation Counts
27
47
2,844
Rankings
Ranking Based On Selection: 23
Hideki Kuramitz
Metrics
 
H-Index
i10 Index
Citation Counts
27
76
2,836
Analytical Chemistry
Environmental Chemistry
Electrochemistr
Rankings
Ranking Based On Selection: 24
山本誠士
Metrics
 
H-Index
i10 Index
Citation Counts
27
31
2,518
血管、ペリサイト、神経幹細�
Rankings
Ranking Based On Selection: 25
Shigeki Naka
Metrics
 
H-Index
i10 Index
Citation Counts
27
68
2,886