The ranking of “Top 100” scientists is based on total h-index scores. Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, EECA, BRICS, and COMESA 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, and Social Sciences. According to Total H. BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (829,221 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
World Rank
9,772
Country Rank
122
Institution Rank :
1
hematology
oncology
Metrics
H-Index
i10 Index
Citation
97
429
50,865
* Rankings
World Rank
31,986
Country Rank
500
Institution Rank :
2
Parkinson disease
Parkinsonism
Dementia with Lewy bodies
Synuclein
Metrics
H-Index
i10 Index
Citation
69
154
18,137
* Rankings
World Rank
71,551
Country Rank
1,314
Institution Rank :
3
Health Informatics
Health Policy
Metrics
H-Index
i10 Index
Citation
52
173
8,722
* Rankings
World Rank
79,168
Country Rank
1,469
Institution Rank :
4
Pulmonary Circulation
Metrics
H-Index
i10 Index
Citation
50
137
9,039
* Rankings
World Rank
109,176
Country Rank
2,153
Institution Rank :
5
Metrics
H-Index
i10 Index
Citation
44
112
7,053
* Rankings
World Rank
142,683
Country Rank
2,930
Institution Rank :
6
Sleep medicine
Movement disorder
Dementia
Osteoporosis
Metrics
H-Index
i10 Index
Citation
39
65
6,104
* Rankings
World Rank
162,936
Country Rank
3,411
Institution Rank :
7
外科 医療 経営
Metrics
H-Index
i10 Index
Citation
37
111
4,521
* Rankings
World Rank
230,743
Country Rank
4,948
Institution Rank :
8
Biology
Metrics
H-Index
i10 Index
Citation
31
46
6,069
* Rankings
World Rank
250,579
Country Rank
5,377
Institution Rank :
9
Gastroenterology
Clinical Oncology
Clinical Nutrition
Metrics
H-Index
i10 Index
Citation
29
84
3,391
* Rankings
World Rank
304,314
Country Rank
6,534
Institution Rank :
10
Neurology
Neuroimaging
Parkinson's disease
Olfaction
Metrics
H-Index
i10 Index
Citation
26
38
2,482
* Rankings
World Rank
314,877
Country Rank
6,816
Institution Rank :
11
顎口腔領域の臨床神経生理学
Metrics
H-Index
i10 Index
Citation
26
38
1,740
* Rankings
World Rank
416,312
Country Rank
8,987
Institution Rank :
12
food allergy
pediatrics
Metrics
H-Index
i10 Index
Citation
21
31
1,191
* Rankings
World Rank
460,054
Country Rank
9,835
Institution Rank :
13
Interventional Cardiology
Metrics
H-Index
i10 Index
Citation
20
36
1,859
* Rankings
World Rank
470,718
Country Rank
10,083
Institution Rank :
14
Metrics
H-Index
i10 Index
Citation
20
45
1,360
* Rankings
World Rank
487,598
Country Rank
10,364
Institution Rank :
15
Valve surgery
Coronary Surgery
Metrics
H-Index
i10 Index
Citation
19
25
1,262
* Rankings
World Rank
498,579
Country Rank
10,549
Institution Rank :
16
Neurology
Neuroscience
Metrics
H-Index
i10 Index
Citation
19
26
1,628
* Rankings
World Rank
690,613
Country Rank
13,964
Institution Rank :
17
Chronic HepatitisB
Autophagy
NASH
Hepatitis A
Metrics
H-Index
i10 Index
Citation
14
17
885
* Rankings
World Rank
697,902
Country Rank
14,079
Institution Rank :
18
Supportive care in cancer
Metrics
H-Index
i10 Index
Citation
14
18
658
* Rankings
World Rank
763,339
Country Rank
15,202
Institution Rank :
19
Radiology
Metrics
H-Index
i10 Index
Citation
13
13
798
* Rankings
World Rank
792,528
Country Rank
15,730
Institution Rank :
20
Respiratory Medicine
Medical Oncology
Metrics
H-Index
i10 Index
Citation
12
17
693
* Rankings
World Rank
803,801
Country Rank
15,897
Institution Rank :
21
cardiovascular surgery
Metrics
H-Index
i10 Index
Citation
12
15
565
* Rankings
World Rank
886,540
Country Rank
17,308
Institution Rank :
22
Plastic and Reconstructive Surgery
Metrics
H-Index
i10 Index
Citation
10
11
258
* Rankings
World Rank
1,040,539
Country Rank
19,935
Institution Rank :
23
biostatistics
cardiology
epidemiology
Metrics
H-Index
i10 Index
Citation
8
6
167
* Rankings
World Rank
1,109,486
Country Rank
21,068
Institution Rank :
24
Head and Neck Cancer
Molecular Biology
Metrics
H-Index
i10 Index
Citation
7
6
231
* Rankings
World Rank
1,114,944
Country Rank
21,162
Institution Rank :
25
Neurology
Stroke
Movement disorder
Muscle dystrophy
Metrics
H-Index
i10 Index
Citation
7
6
162
* Rankings
World Rank
1,200,710
Country Rank
22,627
Institution Rank :
26
Metrics
H-Index
i10 Index
Citation
6
5
262
* Rankings
World Rank
1,203,448
Country Rank
22,670
Institution Rank :
27
Neurology
Metrics
H-Index
i10 Index
Citation
6
5
201
* Rankings
World Rank
1,306,598
Country Rank
24,354
Institution Rank :
28
Lung cancer
Metrics
H-Index
i10 Index
Citation
5
5
141
* Rankings
World Rank
1,354,977
Country Rank
25,159
Institution Rank :
29
Nephrology
Metrics
H-Index
i10 Index
Citation
5
3
69
* Rankings
World Rank
1,422,333
Country Rank
26,193
Institution Rank :
30
oncology
infection
pharmacy
Metrics
H-Index
i10 Index
Citation
5
3
74
* Rankings
World Rank
1,465,206
Country Rank
26,914
Institution Rank :
31
breast cancer
Metrics
H-Index
i10 Index
Citation
4
3
81
* Rankings
World Rank
1,769,884
Country Rank
31,417
Institution Rank :
32
clinical psychology psychiatry
Metrics
H-Index
i10 Index
Citation
3
0
24
* Rankings
World Rank
1,844,339
Country Rank
32,410
Institution Rank :
33
sports medicine
physical therapy
knee
Metrics
H-Index
i10 Index
Citation
2
1
25
* Rankings
World Rank
1,869,584
Country Rank
32,795
Institution Rank :
34
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
17
* Rankings
World Rank
1,882,252
Country Rank
32,972
Institution Rank :
35
医療，医学，脳神経内科
Metrics
H-Index
i10 Index
Citation
2
0
23
* Rankings
World Rank
2,005,912
Country Rank
34,920
Institution Rank :
36
Clinical medicine
Pulmonology
Metrics
H-Index
i10 Index
Citation
1
1
57
* Rankings
World Rank
2,209,038
Country Rank
37,662
Institution Rank :
37
人工呼吸器 人工心肺装置
Metrics
H-Index
i10 Index
Citation
1
0
1
Rankings
31,986
500
2
Atsushi Takeda
Metrics
H-Index
i10 Index
Citation Counts
69
154
18,137
Parkinson disease
Parkinsonism
Dementia with Lewy bodies
Synuclein
Rankings
142,683
2,930
6
Mitsuhiro Yoshita
Metrics
H-Index
i10 Index
Citation Counts
39
65
6,104
Sleep medicine
Movement disorder
Dementia
Osteoporosis
Rankings
250,579
5,377
9
Atsushi Naganuma
Metrics
H-Index
i10 Index
Citation Counts
29
84
3,391
Gastroenterology
Clinical Oncology
Clinical Nutrition
Rankings
304,314
6,534
10
Toru Baba
Metrics
H-Index
i10 Index
Citation Counts
26
38
2,482
Neurology
Neuroimaging
Parkinson's disease
Olfaction
Rankings
416,312
8,987
12
Kiyotake Ogura
Metrics
H-Index
i10 Index
Citation Counts
21
31
1,191
food allergy
pediatrics
Rankings
487,598
10,364
15
Dai Une
Metrics
H-Index
i10 Index
Citation Counts
19
25
1,262
Valve surgery
Coronary Surgery
Rankings
763,339
15,202
19
松林（名本）路花 Roka Namoto Matsubayashi
Metrics
H-Index
i10 Index
Citation Counts
13
13
798
Rankings
792,528
15,730
20
Takayuki Takimoto
Metrics
H-Index
i10 Index
Citation Counts
12
17
693
Respiratory Medicine
Medical Oncology
Rankings
803,801
15,897
21
Satoshi Takebayashi
Metrics
H-Index
i10 Index
Citation Counts
12
15
565
cardiovascular surgery
Rankings
886,540
17,308
22
Nakamura Hideharu
Metrics
H-Index
i10 Index
Citation Counts
10
11
258
Plastic and Reconstructive Surgery
Rankings
1,040,539
19,935
23
Taro Takeuchi
Metrics
H-Index
i10 Index
Citation Counts
8
6
167
biostatistics
cardiology
epidemiology
Rankings
1,109,486
21,068
24
Hirofumi Omori
Metrics
H-Index
i10 Index
Citation Counts
7
6
231
Head and Neck Cancer
Molecular Biology
Rankings
1,114,944
21,162
25
Kosuke Yoshida
Metrics
H-Index
i10 Index
Citation Counts
7
6
162
Neurology
Stroke
Movement disorder
Muscle dystrophy
Rankings
1,200,710
22,627
26
Eriko Aikawa Takeyama
Metrics
H-Index
i10 Index
Citation Counts
6
5
262
Rankings
1,422,333
26,193
30
Keiichi Koido
Metrics
H-Index
i10 Index
Citation Counts
5
3
74
oncology
infection
pharmacy
Rankings
1,769,884
31,417
32
Rankings
1,844,339
32,410
33
Ryo Yoshii
Metrics
H-Index
i10 Index
Citation Counts
2
1
25
sports medicine
physical therapy
knee
Rankings
1,869,584
32,795
34
Kensuke Abe
Metrics
H-Index
i10 Index
Citation Counts
2
1
17
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
1,882,252
32,972
35
Rankings
2,005,912
34,920
36
Yoshitsugu Narumi
Metrics
H-Index
i10 Index
Citation Counts
1
1
57
Clinical medicine
Pulmonology
Rankings
2,209,038
37,662
37