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
8,319
Country Rank
100
Institution Rank :
1
Metrics
H-Index
i10 Index
Citation
101
211
44,537
* Rankings
World Rank
80,821
Country Rank
1,529
Institution Rank :
2
Rheumatology
Immunology
Metrics
H-Index
i10 Index
Citation
50
134
7,822
* Rankings
World Rank
102,453
Country Rank
1,996
Institution Rank :
3
脳外科 コンピュータ支援外科 fNIRS
Metrics
H-Index
i10 Index
Citation
45
191
11,449
* Rankings
World Rank
136,760
Country Rank
2,799
Institution Rank :
4
Medical Entomology
Parasitology
Tropical Medicine
Metrics
H-Index
i10 Index
Citation
41
101
4,909
* Rankings
World Rank
150,621
Country Rank
3,101
Institution Rank :
5
Obstetrics and Gynecology
Perinatology
Metrics
H-Index
i10 Index
Citation
38
125
6,089
* Rankings
World Rank
159,436
Country Rank
3,298
Institution Rank :
6
微生物 (Microbiology)
感染症 (Infectious diseases)
微生物ゲノム (Bacterial genome)
抗菌薬耐性 (Drug resistan
Metrics
H-Index
i10 Index
Citation
37
64
12,159
* Rankings
World Rank
175,568
Country Rank
3,675
Institution Rank :
7
Interventional cardiology
Metrics
H-Index
i10 Index
Citation
35
123
6,979
* Rankings
World Rank
261,303
Country Rank
5,624
Institution Rank :
8
Metrics
H-Index
i10 Index
Citation
29
42
5,174
* Rankings
World Rank
284,058
Country Rank
6,113
Institution Rank :
9
Nephrology
Metrics
H-Index
i10 Index
Citation
28
83
3,991
* Rankings
World Rank
309,190
Country Rank
6,646
Institution Rank :
10
Gastroenterology
Metrics
H-Index
i10 Index
Citation
27
45
2,221
* Rankings
World Rank
313,716
Country Rank
6,779
Institution Rank :
11
尿路生殖器癌 尿路結石症 腎移植
Metrics
H-Index
i10 Index
Citation
26
42
5,785
* Rankings
World Rank
337,696
Country Rank
7,343
Institution Rank :
12
Developmental biology
Evolutionary biology
Metrics
H-Index
i10 Index
Citation
25
31
2,673
* Rankings
World Rank
357,643
Country Rank
7,744
Institution Rank :
13
整形外科、骨軟部腫瘍、破骨細胞
orthopedic surgery
osteoclast
musculoskeletal tumor
sarcoma
Metrics
H-Index
i10 Index
Citation
24
31
2,611
* Rankings
World Rank
384,441
Country Rank
8,324
Institution Rank :
14
cardiovascular dynamics/mechanics
Metrics
H-Index
i10 Index
Citation
23
36
1,821
* Rankings
World Rank
396,045
Country Rank
8,505
Institution Rank :
15
Metrics
H-Index
i10 Index
Citation
22
26
2,839
* Rankings
World Rank
407,800
Country Rank
8,755
Institution Rank :
16
neurogenetics
Metrics
H-Index
i10 Index
Citation
22
33
5,057
* Rankings
World Rank
420,650
Country Rank
9,041
Institution Rank :
17
Cardiology
Stem Cell Biology
Metrics
H-Index
i10 Index
Citation
21
28
3,149
* Rankings
World Rank
429,641
Country Rank
9,221
Institution Rank :
18
optical imaging
cancer biology
biomedical engineering
multimodal in vivo imaging
Metrics
H-Index
i10 Index
Citation
21
33
1,758
* Rankings
World Rank
455,610
Country Rank
9,746
Institution Rank :
19
Hematology
Transfusion
Stem cell transplantation
Metrics
H-Index
i10 Index
Citation
20
53
7,976
* Rankings
World Rank
464,919
Country Rank
9,936
Institution Rank :
20
Psychology
Metrics
H-Index
i10 Index
Citation
20
26
1,163
* Rankings
World Rank
465,441
Country Rank
9,947
Institution Rank :
21
Gene Therapy
Neurodegenerative Disease
Metrics
H-Index
i10 Index
Citation
20
20
4,109
* Rankings
World Rank
520,324
Country Rank
10,968
Institution Rank :
22
Hematopoietic stem cell transplantation
Metrics
H-Index
i10 Index
Citation
18
41
1,080
* Rankings
World Rank
535,717
Country Rank
11,247
Institution Rank :
23
ion channels
Metrics
H-Index
i10 Index
Citation
18
24
1,233
* Rankings
World Rank
545,985
Country Rank
11,503
Institution Rank :
24
Neuroscience
Metrics
H-Index
i10 Index
Citation
17
20
2,569
* Rankings
World Rank
588,975
Country Rank
12,231
Institution Rank :
25
Nephrology
Diabetology
Metrics
H-Index
i10 Index
Citation
17
23
1,872
* Rankings
World Rank
596,859
Country Rank
12,343
Institution Rank :
26
Neuroimaging
PCIT
Metrics
H-Index
i10 Index
Citation
16
23
938
* Rankings
World Rank
619,671
Country Rank
12,736
Institution Rank :
27
reactive oxigen species
oncology
gynecology
Metrics
H-Index
i10 Index
Citation
16
16
2,029
* Rankings
World Rank
621,149
Country Rank
12,765
Institution Rank :
28
General Medicine
Case Report
Internal Medicine
Geriatrics
Metrics
H-Index
i10 Index
Citation
16
20
1,420
* Rankings
World Rank
677,939
Country Rank
13,748
Institution Rank :
29
Epidemiology
Public Health
Metrics
H-Index
i10 Index
Citation
14
22
957
* Rankings
World Rank
709,297
Country Rank
14,272
Institution Rank :
30
Biology
Evolution
Development
Neuroscience
Metrics
H-Index
i10 Index
Citation
14
18
974
* Rankings
World Rank
717,650
Country Rank
14,469
Institution Rank :
31
Hematology
Oncology
Stem Cell Transplantation
Infectious Diseases
Immunology
Metrics
H-Index
i10 Index
Citation
13
21
638
* Rankings
World Rank
729,348
Country Rank
14,619
Institution Rank :
32
Transplant Surgery
Metrics
H-Index
i10 Index
Citation
13
17
707
* Rankings
World Rank
822,433
Country Rank
16,249
Institution Rank :
33
rural surgery
systematic review
Metrics
H-Index
i10 Index
Citation
11
16
427
* Rankings
World Rank
833,675
Country Rank
16,427
Institution Rank :
34
Physiology
Molecular biology
Structural biology
Paleontology
Metrics
H-Index
i10 Index
Citation
11
11
774
* Rankings
World Rank
841,147
Country Rank
16,554
Institution Rank :
35
depression
cancer
dementia
Metrics
H-Index
i10 Index
Citation
11
13
336
* Rankings
World Rank
893,618
Country Rank
17,386
Institution Rank :
36
Molecular biology
Immunity and Infection
Drug delivery
Drug metabolism
Cancer Biology.
Metrics
H-Index
i10 Index
Citation
10
10
392
* Rankings
World Rank
928,551
Country Rank
17,895
Institution Rank :
37
Metrics
H-Index
i10 Index
Citation
10
10
580
* Rankings
World Rank
949,993
Country Rank
18,280
Institution Rank :
38
ophthalmology
Metrics
H-Index
i10 Index
Citation
9
9
370
* Rankings
World Rank
977,580
Country Rank
18,794
Institution Rank :
39
Regenerative medicine
Pluripotent stem cells
Pluripotent stem cell-derived cardiomyocytes
Cardiomyocyte maturation
Metrics
H-Index
i10 Index
Citation
9
8
511
* Rankings
World Rank
1,014,188
Country Rank
19,452
Institution Rank :
40
Sleep
Multisensory processing
Brain stimulation
Gene therapy
Metrics
H-Index
i10 Index
Citation
8
8
491
* Rankings
World Rank
1,095,703
Country Rank
20,863
Institution Rank :
41
Cell‐free and concentrated ascites reinfusion therapy
The care of women with complications of pregnancy
Obstetrical Hemorrh
Metrics
H-Index
i10 Index
Citation
7
7
304
* Rankings
World Rank
1,113,602
Country Rank
21,132
Institution Rank :
42
Metrics
H-Index
i10 Index
Citation
7
6
176
* Rankings
World Rank
1,169,860
Country Rank
22,069
Institution Rank :
43
Cell Biology
Histochemistry
Histopathology
Forensic Science
Forensic Pathology
Metrics
H-Index
i10 Index
Citation
7
5
137
* Rankings
World Rank
1,188,715
Country Rank
22,446
Institution Rank :
44
Metrics
H-Index
i10 Index
Citation
6
6
283
* Rankings
World Rank
1,205,684
Country Rank
22,695
Institution Rank :
45
Metrics
H-Index
i10 Index
Citation
6
5
174
* Rankings
World Rank
1,272,733
Country Rank
23,771
Institution Rank :
46
medical education
e-learning
instructional design
learning analytics
escape room
Metrics
H-Index
i10 Index
Citation
6
2
166
* Rankings
World Rank
1,327,135
Country Rank
24,644
Institution Rank :
47
消化管、炎症性腸疾患
Metrics
H-Index
i10 Index
Citation
5
4
103
* Rankings
World Rank
1,330,084
Country Rank
24,710
Institution Rank :
48
血圧変動、生体医工学
Metrics
H-Index
i10 Index
Citation
5
4
90
* Rankings
World Rank
1,352,332
Country Rank
25,105
Institution Rank :
49
orthopedics
Metrics
H-Index
i10 Index
Citation
5
3
77
* Rankings
World Rank
1,369,634
Country Rank
25,403
Institution Rank :
50
Obstetrics
Gynecology
Metrics
H-Index
i10 Index
Citation
5
2
66
* Rankings
World Rank
1,578,896
Country Rank
28,598
Institution Rank :
51
human factors and ergonomics
patient safety
人間工学
医療安全
Metrics
H-Index
i10 Index
Citation
4
0
49
* Rankings
World Rank
1,657,430
Country Rank
29,751
Institution Rank :
52
Cardiac anesthesia
coagulation
patient blood management
Metrics
H-Index
i10 Index
Citation
3
1
89
* Rankings
World Rank
1,667,210
Country Rank
29,882
Institution Rank :
53
bacteriology
Metrics
H-Index
i10 Index
Citation
3
1
45
* Rankings
World Rank
1,672,745
Country Rank
29,945
Institution Rank :
54
Obstetrics and Gynecology
Metrics
H-Index
i10 Index
Citation
3
1
39
* Rankings
World Rank
1,752,979
Country Rank
31,121
Institution Rank :
55
Emergency Medicine
Trauma Surgery
Acute Care Surgery
Traumatic Diaphragm Injury
JTDB
Metrics
H-Index
i10 Index
Citation
3
2
35
* Rankings
World Rank
1,869,584
Country Rank
32,795
Institution Rank :
56
Cell and gene therapy
Metrics
H-Index
i10 Index
Citation
2
1
17
* Rankings
World Rank
2,038,164
Country Rank
35,208
Institution Rank :
57
Metrics
H-Index
i10 Index
Citation
1
1
14
* Rankings
World Rank
2,092,343
Country Rank
35,847
Institution Rank :
58
Metrics
H-Index
i10 Index
Citation
1
0
5
* Rankings
World Rank
2,127,138
Country Rank
36,328
Institution Rank :
59
Metrics
H-Index
i10 Index
Citation
1
0
3
* Rankings
World Rank
2,151,408
Country Rank
36,681
Institution Rank :
60
microsurgery
Metrics
H-Index
i10 Index
Citation
1
0
2
* Rankings
World Rank
2,151,408
Country Rank
36,681
Institution Rank :
60
医学、小児科学、循環器学、先天性心疾患
Metrics
H-Index
i10 Index
Citation
1
0
2
* Rankings
World Rank
2,151,408
Country Rank
36,681
Institution Rank :
60
Molecular Pharmacology
Veterinary science
Maternal behavior
Metrics
H-Index
i10 Index
Citation
1
0
2
* Rankings
World Rank
2,151,408
Country Rank
36,681
Institution Rank :
60
MRI
CT
Metrics
H-Index
i10 Index
Citation
1
0
2
Rankings
136,760
2,799
4
Hirotomo Kato
Metrics
H-Index
i10 Index
Citation Counts
41
101
4,909
Medical Entomology
Parasitology
Tropical Medicine
Rankings
150,621
3,101
5
Akihide Ohkuchi
Metrics
H-Index
i10 Index
Citation Counts
38
125
6,089
Obstetrics and Gynecology
Perinatology
Rankings
159,436
3,298
6
崔龍洙 (Longzhu Cui)
Metrics
H-Index
i10 Index
Citation Counts
37
64
12,159
微生物 (Microbiology)
感染症 (Infectious diseases)
微生物ゲノム (Bacterial genome)
抗菌薬耐性 (Drug resistan
Rankings
313,716
6,779
11
Tatsuya Takayama 高山達也
Metrics
H-Index
i10 Index
Citation Counts
26
42
5,785
Rankings
337,696
7,343
12
Shigeru Sato
Metrics
H-Index
i10 Index
Citation Counts
25
31
2,673
Developmental biology
Evolutionary biology
Rankings
357,643
7,744
13
Toru Akiyama
Metrics
H-Index
i10 Index
Citation Counts
24
31
2,611
整形外科、骨軟部腫瘍、破骨細胞
orthopedic surgery
osteoclast
musculoskeletal tumor
sarcoma
Rankings
384,441
8,324
14
Hiroshi Miyashita
Metrics
H-Index
i10 Index
Citation Counts
23
36
1,821
cardiovascular dynamics/mechanics
Rankings
429,641
9,221
18
Takahiro Kuchimaru
Metrics
H-Index
i10 Index
Citation Counts
21
33
1,758
optical imaging
cancer biology
biomedical engineering
multimodal in vivo imaging
Rankings
455,610
9,746
19
Hematology
Transfusion
Stem cell transplantation
Rankings
465,441
9,947
21
Shin Ichi Muramatsu
Metrics
H-Index
i10 Index
Citation Counts
20
20
4,109
Gene Therapy
Neurodegenerative Disease
Rankings
520,324
10,968
22
Yu Akahoshi
Metrics
H-Index
i10 Index
Citation Counts
18
41
1,080
Hematopoietic stem cell transplantation
Rankings
619,671
12,736
27
Junji Mitsushita
Metrics
H-Index
i10 Index
Citation Counts
16
16
2,029
reactive oxigen species
oncology
gynecology
Rankings
621,149
12,765
28
Hitoshi Sugawara （菅原斉）
Metrics
H-Index
i10 Index
Citation Counts
16
20
1,420
General Medicine
Case Report
Internal Medicine
Geriatrics
Rankings
677,939
13,748
29
Epidemiology
Public Health
Rankings
709,297
14,272
30
Hiroshi Yajima
Metrics
H-Index
i10 Index
Citation Counts
14
18
974
Biology
Evolution
Development
Neuroscience
Rankings
717,650
14,469
31
Kazuaki Kameda
Metrics
H-Index
i10 Index
Citation Counts
13
21
638
Hematology
Oncology
Stem Cell Transplantation
Infectious Diseases
Immunology
Rankings
822,433
16,249
33
Jun Watanabe
Metrics
H-Index
i10 Index
Citation Counts
11
16
427
rural surgery
systematic review
Rankings
833,675
16,427
34
Physiology
Molecular biology
Structural biology
Paleontology
Rankings
893,618
17,386
36
Md Mahadi Hassan
Metrics
H-Index
i10 Index
Citation Counts
10
10
392
Molecular biology
Immunity and Infection
Drug delivery
Drug metabolism
Cancer Biology.
Rankings
949,993
18,280
38
Rankings
977,580
18,794
39
Nawin Chanthra
Metrics
H-Index
i10 Index
Citation Counts
9
8
511
Regenerative medicine
Pluripotent stem cells
Pluripotent stem cell-derived cardiomyocytes
Cardiomyocyte maturation
Rankings
1,014,188
19,452
40
Yoshiyuki Onuki
Metrics
H-Index
i10 Index
Citation Counts
8
8
491
Sleep
Multisensory processing
Brain stimulation
Gene therapy
Rankings
1,095,703
20,863
41
Liangcheng Wang (王良誠）
Metrics
H-Index
i10 Index
Citation Counts
7
7
304
Cell‐free and concentrated ascites reinfusion therapy
The care of women with complications of pregnancy
Obstetrical Hemorrh
Rankings
1,113,602
21,132
42
Rankings
1,169,860
22,069
43
Takeshi Inagaki
Metrics
H-Index
i10 Index
Citation Counts
7
5
137
Cell Biology
Histochemistry
Histopathology
Forensic Science
Forensic Pathology
Rankings
1,188,715
22,446
44
Rankings
1,205,684
22,695
45
Rankings
1,272,733
23,771
46
淺田義和（Yoshikazu Asada）
Metrics
H-Index
i10 Index
Citation Counts
6
2
166
medical education
e-learning
instructional design
learning analytics
escape room
Rankings
1,327,135
24,644
47
Rankings
1,330,084
24,710
48
Ayako Kokubo（小久保 綾子）|浦邊 綾子
Metrics
H-Index
i10 Index
Citation Counts
5
4
90
Rankings
1,352,332
25,105
49
Rankings
1,369,634
25,403
50
Rankings
1,752,979
31,121
55
Takafumi Shinjo
Metrics
H-Index
i10 Index
Citation Counts
3
2
35
Emergency Medicine
Trauma Surgery
Acute Care Surgery
Traumatic Diaphragm Injury
JTDB
Rankings
1,869,584
32,795
56
Rankings
2,038,164
35,208
57
Rankings
2,092,343
35,847
58
Rankings
2,127,138
36,328
59
Rankings
2,151,408
36,681
60
Rankings
2,151,408
36,681
60
Rankings
2,151,408
36,681
60
Chortip Sajjaviriya Dvm
Metrics
H-Index
i10 Index
Citation Counts
1
0
2