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" (873,864 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 :1
Teruo Okano
Tissue Engineering
Regenerative Medicine
Intelligent Polymer
Biomaterials
Drug Delivery Systems
Metrics
H-Index
i10 Index
Citation
175
901
110,651
* Rankings
Ranking Based On Selection :2
Masayuki Yamato
Tissue Engineering
Regenerative Medicine
Stem Cell Biology
Metrics
H-Index
i10 Index
Citation
108
406
44,639
* Rankings
Ranking Based On Selection :3
Tatsuya Shimizu
Tissue Engineering
Cellular Agriculture
Space Science
Cardiology
Metrics
H-Index
i10 Index
Citation
75
320
26,948
* Rankings
Ranking Based On Selection :8
Hidetaka Wakabayashi|若林秀隆
sarcopenia
dysphagia
rehabilitation medicine
rehabilitation nutrition
positive psychology
Metrics
H-Index
i10 Index
Citation
44
129
7,199
* Rankings
Ranking Based On Selection :12
Ken Masamune
Medical robotics/devices/system
Virtual Reality/Augmented Reality in Medicine
Medical device Regulatory Science
Metrics
H-Index
i10 Index
Citation
37
80
4,605
* Rankings
Ranking Based On Selection :15
Katsuhisa Matsuura
Cardiology
Heart failure
Stem cell
Tissue engineering
Regenerative Medicine
Metrics
H-Index
i10 Index
Citation
31
61
5,981
* Rankings
Ranking Based On Selection :16
Naoko Iwasaki
Diabetology
Genetics
Metrics
H-Index
i10 Index
Citation
31
51
10,187
* Rankings
Ranking Based On Selection :21
Takeshi Ohki
Laparoscopic Surgery
Endoscopic Surgery
Gastrointestinal Surgery
Regenerative Medicine
Metrics
H-Index
i10 Index
Citation
21
33
3,220
* Rankings
Ranking Based On Selection :26
Nobuo Kanai
Regenerative medicine
Metrics
H-Index
i10 Index
Citation
17
20
955
* Rankings
Ranking Based On Selection :31
Natsumi Watanabe
Regenerative medicine
Gene therapy
Molecular biology
Regulatory science
Metrics
H-Index
i10 Index
Citation
14
19
653
Yudai Ishiyama
Renal transplantation
urologic surgery
urologic oncology
immunotherapy
Metrics
H-Index
i10 Index
Citation
7
5
172
Kaori Kusuda
medical informatics
medical safety
medical engineering
Metrics
H-Index
i10 Index
Citation
6
5
204
Kyohei Fujita
Cardiology
Cardiomyopathy
Cell-cell junction
Tissue engineering
Metrics
H-Index
i10 Index
Citation
4
2
93
Takayuki Abe
血液浄化、血液透析、腹膜透析、PAD、フットケア、医療安全
Metrics
H-Index
i10 Index
Citation
3
1
34
Daiki Nagamine|永峰大輝
健康心理学,ポジティブ心理学,スポーツ心理学,コーチング,コーチング心理学,ストレス
Metrics
H-Index
i10 Index
Citation
1
0
3
Rankings
Ranking Based On Selection: 1
Teruo Okano
Metrics
H-Index
i10 Index
Citation Counts
175
901
110,651
Tissue Engineering
Regenerative Medicine
Intelligent Polymer
Biomaterials
Drug Delivery Systems
Rankings
Ranking Based On Selection: 2
Masayuki Yamato
Metrics
H-Index
i10 Index
Citation Counts
108
406
44,639
Rankings
Ranking Based On Selection: 3
Tatsuya Shimizu
Metrics
H-Index
i10 Index
Citation Counts
75
320
26,948
Tissue Engineering
Cellular Agriculture
Space Science
Cardiology
Rankings
Ranking Based On Selection: 5
Jun Tamaoki
Metrics
H-Index
i10 Index
Citation Counts
48
151
8,631
Rankings
Ranking Based On Selection: 6
Yoshihiro Muragaki
Metrics
H-Index
i10 Index
Citation Counts
47
173
9,270
Rankings
Ranking Based On Selection: 7
Jun Kobayashi
Metrics
H-Index
i10 Index
Citation Counts
45
65
5,248
Rankings
Ranking Based On Selection: 8
Hidetaka Wakabayashi|若林秀隆
Metrics
H-Index
i10 Index
Citation Counts
44
129
7,199
sarcopenia
dysphagia
rehabilitation medicine
rehabilitation nutrition
positive psychology
Rankings
Ranking Based On Selection: 9
Yoshikatsu Akiyama
Metrics
H-Index
i10 Index
Citation Counts
41
70
4,875
Rankings
Ranking Based On Selection: 10
Takanori Iwata
Metrics
H-Index
i10 Index
Citation Counts
39
99
5,730
Rankings
Ranking Based On Selection: 11
Hiromichi Hamada
Metrics
H-Index
i10 Index
Citation Counts
38
68
7,818
Rankings
Ranking Based On Selection: 12
Ken Masamune
Metrics
H-Index
i10 Index
Citation Counts
37
80
4,605
Medical robotics/devices/system
Virtual Reality/Augmented Reality in Medicine
Medical device Regulatory Science
Rankings
Ranking Based On Selection: 13
Yuji Haraguchi
Metrics
H-Index
i10 Index
Citation Counts
33
51
3,706
Rankings
Ranking Based On Selection: 14
Kiyoshi Takeyama
Metrics
H-Index
i10 Index
Citation Counts
32
54
5,428
Rankings
Ranking Based On Selection: 15
Katsuhisa Matsuura
Metrics
H-Index
i10 Index
Citation Counts
31
61
5,981
Cardiology
Heart failure
Stem cell
Tissue engineering
Regenerative Medicine
Rankings
Ranking Based On Selection: 16
Naoko Iwasaki
Metrics
H-Index
i10 Index
Citation Counts
31
51
10,187
Rankings
Ranking Based On Selection: 17
Hidekazu Sekine
Metrics
H-Index
i10 Index
Citation Counts
27
38
6,082
Rankings
Ranking Based On Selection: 18
Michio Itabashi
Metrics
H-Index
i10 Index
Citation Counts
26
59
5,997
Rankings
Ranking Based On Selection: 19
Kazuhiko Yoshimatsu
Metrics
H-Index
i10 Index
Citation Counts
26
54
3,362
Rankings
Ranking Based On Selection: 20
Atsushi Aruga
Metrics
H-Index
i10 Index
Citation Counts
26
38
2,298
Rankings
Ranking Based On Selection: 21
Takeshi Ohki
Metrics
H-Index
i10 Index
Citation Counts
21
33
3,220
Laparoscopic Surgery
Endoscopic Surgery
Gastrointestinal Surgery
Regenerative Medicine
Rankings
Ranking Based On Selection: 22
Kazuhiko Kibayashi
Metrics
H-Index
i10 Index
Citation Counts
21
41
1,418
Rankings
Ranking Based On Selection: 23
Kenji Tanabe
Metrics
H-Index
i10 Index
Citation Counts
19
30
1,295
Rankings
Ranking Based On Selection: 24
Shuji Kitahara
Metrics
H-Index
i10 Index
Citation Counts
18
23
2,115
Rankings
Ranking Based On Selection: 26
Nobuo Kanai
Metrics
H-Index
i10 Index
Citation Counts
17
20
955
Rankings
Ranking Based On Selection: 27
Takako Takemiya
Metrics
H-Index
i10 Index
Citation Counts
17
21
1,358
Rankings
Ranking Based On Selection: 28
Qin Zhang
Metrics
H-Index
i10 Index
Citation Counts
16
22
1,202
Rankings
Ranking Based On Selection: 30
石川烈
Metrics
H-Index
i10 Index
Citation Counts
15
20
665
Rankings
Ranking Based On Selection: 31
Natsumi Watanabe
Metrics
H-Index
i10 Index
Citation Counts
14
19
653
Regenerative medicine
Gene therapy
Molecular biology
Regulatory science
Rankings
Ranking Based On Selection: 33
Teppei Omori
Metrics
H-Index
i10 Index
Citation Counts
12
15
415
Rankings
Ranking Based On Selection: 34
Daisuke Sasaki
Metrics
H-Index
i10 Index
Citation Counts
12
13
934
Rankings
Ranking Based On Selection: 35
Wataru Izumo
Metrics
H-Index
i10 Index
Citation Counts
11
16
465
Rankings
Ranking Based On Selection: 36
Botao Gao
Metrics
H-Index
i10 Index
Citation Counts
11
12
425
Rankings
Ranking Based On Selection: 37
Ryo Shimada
Metrics
H-Index
i10 Index
Citation Counts
11
12
424
Rankings
Ranking Based On Selection: 38
Mitsuharu Midorikawa
Metrics
H-Index
i10 Index
Citation Counts
10
10
607
Rankings
Ranking Based On Selection: 39
Tomoaki Higuchi
Metrics
H-Index
i10 Index
Citation Counts
10
10
270
Rankings
Ranking Based On Selection: 40
Horise Yuki
Metrics
H-Index
i10 Index
Citation Counts
9
7
257
Rankings
Ranking Based On Selection: 41
Bikei Ryu
Metrics
H-Index
i10 Index
Citation Counts
8
6
248
Rankings
Ranking Based On Selection: 42
Ayako Tominaga
Metrics
H-Index
i10 Index
Citation Counts
8
6
149
Rankings
Ranking Based On Selection: 43
Junya Itou
Metrics
H-Index
i10 Index
Citation Counts
7
6
172
Rankings
Ranking Based On Selection: 44
Yudai Ishiyama
Metrics
H-Index
i10 Index
Citation Counts
7
5
172
Renal transplantation
urologic surgery
urologic oncology
immunotherapy
Rankings
Ranking Based On Selection: 45
Yoko Shirai
Metrics
H-Index
i10 Index
Citation Counts
7
5
131
Rankings
Ranking Based On Selection: 46
Suguru Yokosako
Metrics
H-Index
i10 Index
Citation Counts
6
4
173
Rankings
Ranking Based On Selection: 47
Kaoru Yamashita
Metrics
H-Index
i10 Index
Citation Counts
6
4
79
Rankings
Ranking Based On Selection: 48
Kaori Kusuda
Metrics
H-Index
i10 Index
Citation Counts
6
5
204
medical informatics
medical safety
medical engineering
Rankings
Ranking Based On Selection: 49
Ryu-İchiro Tanaka
Metrics
H-Index
i10 Index
Citation Counts
6
5
101
Rankings
Ranking Based On Selection: 50
Yasuko Fukuya
Metrics
H-Index
i10 Index
Citation Counts
4
3
109
Rankings
Ranking Based On Selection: 51
Naoko Sakai
Metrics
H-Index
i10 Index
Citation Counts
4
3
106
Neuroscience
C. elegans
Rankings
Ranking Based On Selection: 52
Kyohei Fujita
Metrics
H-Index
i10 Index
Citation Counts
4
2
93
Cardiology
Cardiomyopathy
Cell-cell junction
Tissue engineering
Rankings
Ranking Based On Selection: 53
Shinsuke Maeda
Metrics
H-Index
i10 Index
Citation Counts
3
2
42
Rankings
Ranking Based On Selection: 54
Takayuki Abe
Metrics
H-Index
i10 Index
Citation Counts
3
1
34
血液浄化、血液透析、腹膜透析、PAD、フットケア、医療安全
Rankings
Ranking Based On Selection: 55
Atsuyoshi Osada 長田篤祥
Metrics
H-Index
i10 Index
Citation Counts
2
1
19
Rankings
Ranking Based On Selection: 56
Kumiko Ishiguro
Metrics
H-Index
i10 Index
Citation Counts
1
1
10
Rankings
Ranking Based On Selection: 57
Daiki Nagamine|永峰大輝
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
健康心理学,ポジティブ心理学,スポーツ心理学,コーチング,コーチング心理学,ストレス