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
Eiju Watanabe
脳外科 コンピュータ支援外科 fNIR
Metrics
 
H-Index
i10 Index
Citation
47
194
11,948
* Rankings
Ranking Based On Selection: 4
Hirotomo Kato
Medical Entomology
Parasitology
Tropical Medicin
Metrics
 
H-Index
i10 Index
Citation
42
111
5,469
* Rankings
Ranking Based On Selection: 5
崔龍洙 (Longzhu Cui)
微生物 (Microbiology)
感染症 (Infectious diseases)
微生物ゲノム (Bacterial genome)
抗菌薬耐性 (Drug resista
Metrics
 
H-Index
i10 Index
Citation
40
72
12,710
* Rankings
Ranking Based On Selection: 11
Tatsuya Takayama 高山達也
尿路生殖器癌 尿路結石症 腎移�
Metrics
 
H-Index
i10 Index
Citation
26
43
6,260
* Rankings
Ranking Based On Selection: 13
Toru Akiyama
整形外科、骨軟部腫瘍、破骨細胞
orthopedic surgery
osteoclast
musculoskeletal tumor
sarcom
Metrics
 
H-Index
i10 Index
Citation
25
31
2,712
* Rankings
Ranking Based On Selection: 14
Shigeru Sato
Developmental biology
Evolutionary biolog
Metrics
 
H-Index
i10 Index
Citation
25
31
2,723
* Rankings
Ranking Based On Selection: 17
藤原慎一郎
Hematology
Transfusion
Stem cell transplantatio
Metrics
 
H-Index
i10 Index
Citation
23
60
8,448
* Rankings
Ranking Based On Selection: 19
Takahiro Kuchimaru
optical imaging
cancer biology
biomedical engineering
multimodal in vivo imagin
Metrics
 
H-Index
i10 Index
Citation
22
37
2,028
* Rankings
Ranking Based On Selection: 22
Yu Akahoshi
Hematopoietic stem cell transplantatio
Metrics
 
H-Index
i10 Index
Citation
20
46
1,307
Rankings
Ranking Based On Selection: 1
Makoto Kuro O
Metrics
 
H-Index
i10 Index
Citation Counts
104
220
47,100
Rankings
Ranking Based On Selection: 2
Seiji Minota
Metrics
 
H-Index
i10 Index
Citation Counts
51
137
8,056
Rankings
Ranking Based On Selection: 3
Eiju Watanabe
Metrics
 
H-Index
i10 Index
Citation Counts
47
194
11,948
脳外科 コンピュータ支援外科 fNIR
Rankings
Ranking Based On Selection: 4
Hirotomo Kato
Metrics
 
H-Index
i10 Index
Citation Counts
42
111
5,469
Medical Entomology
Parasitology
Tropical Medicin
Rankings
Ranking Based On Selection: 5
崔龍洙 (Longzhu Cui)
Metrics
 
H-Index
i10 Index
Citation Counts
40
72
12,710
微生物 (Microbiology)
感染症 (Infectious diseases)
微生物ゲノム (Bacterial genome)
抗菌薬耐性 (Drug resista
Rankings
Ranking Based On Selection: 6
Akihide Ohkuchi
Metrics
 
H-Index
i10 Index
Citation Counts
39
130
6,498
Rankings
Ranking Based On Selection: 7
Kenichi Sakakura
Metrics
 
H-Index
i10 Index
Citation Counts
36
138
7,656
Rankings
Ranking Based On Selection: 8
Yoshiyuki Morishita
Metrics
 
H-Index
i10 Index
Citation Counts
31
87
4,308
Rankings
Ranking Based On Selection: 9
Hirotsugu Sakamoto
Metrics
 
H-Index
i10 Index
Citation Counts
29
48
2,499
Rankings
Ranking Based On Selection: 10
Kaoru Tominaga
Metrics
 
H-Index
i10 Index
Citation Counts
29
43
5,382
Rankings
Ranking Based On Selection: 11
Tatsuya Takayama 高山達也
Metrics
 
H-Index
i10 Index
Citation Counts
26
43
6,260
尿路生殖器癌 尿路結石症 腎移�
Rankings
Ranking Based On Selection: 12
Uosaki Hideki
Metrics
 
H-Index
i10 Index
Citation Counts
25
32
3,399
Rankings
Ranking Based On Selection: 13
Toru Akiyama
Metrics
 
H-Index
i10 Index
Citation Counts
25
31
2,712
整形外科、骨軟部腫瘍、破骨細胞
orthopedic surgery
osteoclast
musculoskeletal tumor
sarcom
Rankings
Ranking Based On Selection: 14
Shigeru Sato
Metrics
 
H-Index
i10 Index
Citation Counts
25
31
2,723
Rankings
Ranking Based On Selection: 15
Hiroshi Miyashita
Metrics
 
H-Index
i10 Index
Citation Counts
24
37
1,880
Rankings
Ranking Based On Selection: 16
Fumitake Usui
Metrics
 
H-Index
i10 Index
Citation Counts
23
26
2,972
Rankings
Ranking Based On Selection: 17
藤原慎一郎
Metrics
 
H-Index
i10 Index
Citation Counts
23
60
8,448
Rankings
Ranking Based On Selection: 18
Haruo Shimazaki
Metrics
 
H-Index
i10 Index
Citation Counts
23
35
5,317
Rankings
Ranking Based On Selection: 19
Takahiro Kuchimaru
Metrics
 
H-Index
i10 Index
Citation Counts
22
37
2,028
optical imaging
cancer biology
biomedical engineering
multimodal in vivo imagin
Rankings
Ranking Based On Selection: 20
Kenkichi Takase
Metrics
 
H-Index
i10 Index
Citation Counts
21
26
1,251
Rankings
Ranking Based On Selection: 21
Shin Ichi Muramatsu
Metrics
 
H-Index
i10 Index
Citation Counts
20
20
4,258
Rankings
Ranking Based On Selection: 22
Yu Akahoshi
Metrics
 
H-Index
i10 Index
Citation Counts
20
46
1,307
Rankings
Ranking Based On Selection: 23
Koichi Nakajo
Metrics
 
H-Index
i10 Index
Citation Counts
19
24
1,306
Rankings
Ranking Based On Selection: 24
Ayumu Inutsuka
Metrics
 
H-Index
i10 Index
Citation Counts
18
21
2,777
Rankings
Ranking Based On Selection: 25
Takahiro Masuda
Metrics
 
H-Index
i10 Index
Citation Counts
18
26
2,038