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 ranking in world, region, country and university is beta version since subject field "others" (943,645 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection: 2
Atsushi Takeda
Parkinson disease
Parkinsonism
Dementia with Lewy bodies
Synuclein
Metrics
H-Index
i10 Index
Citation
70
165
19,354
* Rankings
Ranking Based On Selection: 3
Hiromasa Horiguchi
Health Informatics
Health Policy
Metrics
H-Index
i10 Index
Citation
52
178
9,036
* Rankings
Ranking Based On Selection: 4
Hiromi Matsubara
Pulmonary Circulation
Metrics
H-Index
i10 Index
Citation
50
138
9,465
* Rankings
Ranking Based On Selection: 6
Mitsuhiro Yoshita
Sleep medicine
Movement disorder
Dementia
Osteoporosis
Metrics
H-Index
i10 Index
Citation
40
65
6,256
* Rankings
Ranking Based On Selection: 7
Shigeki Morita
外科 医療 経営
Metrics
H-Index
i10 Index
Citation
37
113
4,650
* Rankings
Ranking Based On Selection: 8
Atsushi Naganuma
Gastroenterology
Clinical Oncology
Clinical Nutrition
Metrics
H-Index
i10 Index
Citation
32
91
3,725
* Rankings
Ranking Based On Selection: 10
吉田和也
顎口腔領域の臨床神経生理学
Metrics
H-Index
i10 Index
Citation
27
38
1,778

360° Institutional Performance & Benchmarking Click Here for Live Demo 

Through advanced, institution-specific analytics and benchmarking, gain data-driven strategic insights into your academic performance, global standing, and competitive strengths. Compare your institution with 20 similarly ranked institutions at city, country, regional, and global levels, as well as with those in similar standings across 13 subjects, to uncover your institution’s strengths. More Info

* Rankings
Ranking Based On Selection: 11
Toru Baba
Neurology
Neuroimaging
Parkinson's disease
Olfaction
Metrics
H-Index
i10 Index
Citation
26
39
2,611
* Rankings
Ranking Based On Selection: 17
Satoshi Tanaka
Chronic HepatitisB
Autophagy
NASH
Hepatitis A
Metrics
H-Index
i10 Index
Citation
15
17
959
* Rankings
Ranking Based On Selection: 18
Hironobu Hata
Supportive care in cancer
Metrics
H-Index
i10 Index
Citation
14
19
696
* Rankings
Ranking Based On Selection: 25
Kosuke Yoshida
Neurology
Stroke
Movement disorder
Muscle dystrophy
Metrics
H-Index
i10 Index
Citation
7
6
178
* Rankings
Ranking Based On Selection: 34
Kensuke Abe
HIV感染症、血液凝固異常症、医療薬学、薬学教育、重症心身障がい、HIV infection
blood coagulation di
Metrics
H-Index
i10 Index
Citation
2
1
21
* Rankings
Ranking Based On Selection: 35
溝口功一
医療,医学,脳神経内科
Metrics
H-Index
i10 Index
Citation
2
0
23
* Rankings
Ranking Based On Selection: 37
松田恵介
人工呼吸器 人工心肺装置
Metrics
H-Index
i10 Index
Citation
1
0
1
Rankings
Ranking Based On Selection: 1
Tomoki Naoe
Metrics
H-Index
i10 Index
Citation Counts
99
433
51,977
Rankings
Ranking Based On Selection: 2
Atsushi Takeda
Metrics
H-Index
i10 Index
Citation Counts
70
165
19,354
Parkinson disease
Parkinsonism
Dementia with Lewy bodies
Synuclein
Rankings
Ranking Based On Selection: 3
Hiromasa Horiguchi
Metrics
H-Index
i10 Index
Citation Counts
52
178
9,036
Health Informatics
Health Policy
Rankings
Ranking Based On Selection: 4
Hiromi Matsubara
Metrics
H-Index
i10 Index
Citation Counts
50
138
9,465
Rankings
Ranking Based On Selection: 5
Nishikawa K
Metrics
H-Index
i10 Index
Citation Counts
45
113
7,322
Rankings
Ranking Based On Selection: 6
Mitsuhiro Yoshita
Metrics
H-Index
i10 Index
Citation Counts
40
65
6,256
Sleep medicine
Movement disorder
Dementia
Osteoporosis
Rankings
Ranking Based On Selection: 7
Shigeki Morita
Metrics
H-Index
i10 Index
Citation Counts
37
113
4,650
外科 医療 経営
Rankings
Ranking Based On Selection: 8
Atsushi Naganuma
Metrics
H-Index
i10 Index
Citation Counts
32
91
3,725
Gastroenterology
Clinical Oncology
Clinical Nutrition
Rankings
Ranking Based On Selection: 9
Osamu Higuchi
Metrics
H-Index
i10 Index
Citation Counts
31
47
6,171
Rankings
Ranking Based On Selection: 10
吉田和也
Metrics
H-Index
i10 Index
Citation Counts
27
38
1,778
顎口腔領域の臨床神経生理学

360° Institutional Performance & Benchmarking Click Here for Live Demo 

Through advanced, institution-specific analytics and benchmarking, gain data-driven strategic insights into your academic performance, global standing, and competitive strengths. Compare your institution with 20 similarly ranked institutions at city, country, regional, and global levels, as well as with those in similar standings across 13 subjects, to uncover your institution’s strengths. More Info

Rankings
Ranking Based On Selection: 11
Toru Baba
Metrics
H-Index
i10 Index
Citation Counts
26
39
2,611
Neurology
Neuroimaging
Parkinson's disease
Olfaction
Rankings
Ranking Based On Selection: 12
Kiyotake Ogura
Metrics
H-Index
i10 Index
Citation Counts
23
35
1,279
Rankings
Ranking Based On Selection: 13
Yoshinobu Murasato
Metrics
H-Index
i10 Index
Citation Counts
22
37
1,988
Rankings
Ranking Based On Selection: 14
Toshihiro Onohara
Metrics
H-Index
i10 Index
Citation Counts
20
46
1,390
Rankings
Ranking Based On Selection: 15
Dai Une
Metrics
H-Index
i10 Index
Citation Counts
19
26
1,345
Rankings
Ranking Based On Selection: 16
Kenji Yamamoto
Metrics
H-Index
i10 Index
Citation Counts
19
27
1,701
Rankings
Ranking Based On Selection: 17
Satoshi Tanaka
Metrics
H-Index
i10 Index
Citation Counts
15
17
959
Chronic HepatitisB
Autophagy
NASH
Hepatitis A
Rankings
Ranking Based On Selection: 18
Hironobu Hata
Metrics
H-Index
i10 Index
Citation Counts
14
19
696
Supportive care in cancer
Rankings
Ranking Based On Selection: 19
Takayuki Takimoto
Metrics
H-Index
i10 Index
Citation Counts
13
20
745
Rankings
Ranking Based On Selection: 21
Satoshi Takebayashi
Metrics
H-Index
i10 Index
Citation Counts
12
16
583
Rankings
Ranking Based On Selection: 22
Nakamura Hideharu
Metrics
H-Index
i10 Index
Citation Counts
10
11
280
Rankings
Ranking Based On Selection: 23
Taro Takeuchi
Metrics
H-Index
i10 Index
Citation Counts
8
7
184
Rankings
Ranking Based On Selection: 24
Hirofumi Omori
Metrics
H-Index
i10 Index
Citation Counts
7
7
246
Rankings
Ranking Based On Selection: 25
Kosuke Yoshida
Metrics
H-Index
i10 Index
Citation Counts
7
6
178
Neurology
Stroke
Movement disorder
Muscle dystrophy
Rankings
Ranking Based On Selection: 26
Eriko Aikawa Takeyama
Metrics
H-Index
i10 Index
Citation Counts
6
5
268
Rankings
Ranking Based On Selection: 27
Katsuya Nishida
Metrics
H-Index
i10 Index
Citation Counts
6
5
238
Rankings
Ranking Based On Selection: 28
Yoshiki Kimura
Metrics
H-Index
i10 Index
Citation Counts
6
3
78
Rankings
Ranking Based On Selection: 29
Tomohito Kuwako
Metrics
H-Index
i10 Index
Citation Counts
5
5
146
Rankings
Ranking Based On Selection: 30
Keiichi Koido
Metrics
H-Index
i10 Index
Citation Counts
5
3
80
Rankings
Ranking Based On Selection: 31
Michiko Yamashita
Metrics
H-Index
i10 Index
Citation Counts
4
3
86
Rankings
Ranking Based On Selection: 32
野村照幸
Metrics
H-Index
i10 Index
Citation Counts
3
0
24
Rankings
Ranking Based On Selection: 33
Ryo Yoshii
Metrics
H-Index
i10 Index
Citation Counts
2
1
35
Rankings
Ranking Based On Selection: 34
Kensuke Abe
Metrics
H-Index
i10 Index
Citation Counts
2
1
21
HIV感染症、血液凝固異常症、医療薬学、薬学教育、重症心身障がい、HIV infection
blood coagulation di
Rankings
Ranking Based On Selection: 35
溝口功一
Metrics
H-Index
i10 Index
Citation Counts
2
0
23
医療,医学,脳神経内科
Rankings
Ranking Based On Selection: 36
Yoshitsugu Narumi
Metrics
H-Index
i10 Index
Citation Counts
1
1
61
Rankings
Ranking Based On Selection: 37
松田恵介
Metrics
H-Index
i10 Index
Citation Counts
1
0
1
人工呼吸器 人工心肺装置
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