Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 65 Scientists Citation Rankings - 2025
Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Allergy
asthma
food allergy
immunology
molecular biolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58,535
24,841
0.424
Get Full Access to Premium Data
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Neurosurger
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,615
6,434
0.365
* Total Citation Counts Rankings
Ranking Based On Selection: 3
gastroenterolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,984
2,546
0.212
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Protein structure and function
enzyme mechanism
flavoprotein
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,589
2,452
0.212
* Total Citation Counts Rankings
Ranking Based On Selection: 5
血管生物学、細胞生物�
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,288
3,282
0.319
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Immunolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,073
4,282
0.425
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Endocrinology
Brain Sex Differentiation
Estrogen
Behavio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,805
1,623
0.184
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,204
1,949
0.238
* Total Citation Counts Rankings
Ranking Based On Selection: 9
GENITOURINARY ONCOLOGY
GENITOURINARY PATHOLOG
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,199
4,389
0.535
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Total Citation Counts Rankings
Ranking Based On Selection: 10
oncolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,736
2,262
0.292
* Total Citation Counts Rankings
Ranking Based On Selection: 11
mood disorder
geriatric psychiatry
PE
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,960
2,697
0.544
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Parkinson's disease
Alzheimer's disease
PE
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,095
1,044
0.337
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Neurology
dementia
Alzheimer's disease
tauopath
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,011
1,218
0.405
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Estrogen
Reproductive Physiology
Neuroendocrinolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,952
790
0.268
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Psychiatr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,902
983
0.339
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,402
1,309
0.545
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,304
1,001
0.434
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,073
1,441
0.695
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Metabolic diseases
Transcriptional regulation
Molecular biology
Immunolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,013
1,624
0.807
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Acute Heart Failur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,744
1,727
0.990
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Innate immunity
Biochemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,729
752
0.435
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,566
1,111
0.709
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,449
1,065
0.735
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,455
435
0.299
* Total Citation Counts Rankings
Ranking Based On Selection: 25
quantum dynamics
biomolecule
path samplin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,423
348
0.245
* Total Citation Counts Rankings
Rankings
8,429
97
1
Ranking Based On Selection: 1
Ruby Pawankar
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
58,535
24,841
0.424
Allergy
asthma
food allergy
immunology
molecular biolog
* Total Citation Counts Rankings
Rankings
51,699
809
2
Ranking Based On Selection: 2
森田明夫 Akio Morita
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,615
6,434
0.365
* Total Citation Counts Rankings
Rankings
84,897
1,472
3
Ranking Based On Selection: 3
Choitsu Sakamoto
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,984
2,546
0.212
* Total Citation Counts Rankings
Rankings
88,444
1,547
4
Ranking Based On Selection: 4
Takeshi Nishino
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,589
2,452
0.212
Protein structure and function
enzyme mechanism
flavoprotein
* Total Citation Counts Rankings
Rankings
101,629
1,836
5
Ranking Based On Selection: 5
Shigetomo Fukuhara
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,288
3,282
0.319
* Total Citation Counts Rankings
Rankings
104,179
1,884
6
Ranking Based On Selection: 6
Rimpei Morita
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,073
4,282
0.425
* Total Citation Counts Rankings
Rankings
121,285
2,236
7
Ranking Based On Selection: 7
Yasuo Sakuma
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,805
1,623
0.184
Endocrinology
Brain Sex Differentiation
Estrogen
Behavio
* Total Citation Counts Rankings
Rankings
131,183
2,466
8
Ranking Based On Selection: 8
Ken Ichiro Katsura
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,204
1,949
0.238
* Total Citation Counts Rankings
Rankings
131,268
2,468
9
Ranking Based On Selection: 9
Go Kimura
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,199
4,389
0.535
* Total Citation Counts Rankings
Rankings
139,905
2,671
10
Ranking Based On Selection: 10
Noriyuki Katsumata
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,736
2,262
0.292
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Total Citation Counts Rankings
Rankings
219,290
4,383
11
Ranking Based On Selection: 11
Amane Tateno
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,960
2,697
0.544
mood disorder
geriatric psychiatry
PE
* Total Citation Counts Rankings
Rankings
332,661
6,742
12
Ranking Based On Selection: 12
Masahiro Mishina
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,095
1,044
0.337
* Total Citation Counts Rankings
Rankings
340,070
6,884
13
Ranking Based On Selection: 13
Mineo Yamazaki
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,011
1,218
0.405
Neurology
dementia
Alzheimer's disease
tauopath
* Total Citation Counts Rankings
Rankings
345,703
6,977
14
Ranking Based On Selection: 14
Hirotaka Ishii
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,952
790
0.268
Estrogen
Reproductive Physiology
Neuroendocrinolog
* Total Citation Counts Rankings
Rankings
350,500
7,081
15
Ranking Based On Selection: 15
Yasuhiro Kishi
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,902
983
0.339
* Total Citation Counts Rankings
Rankings
405,884
8,236
16
Ranking Based On Selection: 16
保夫 村井
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,402
1,309
0.545
* Total Citation Counts Rankings
Rankings
418,659
8,495
17
Ranking Based On Selection: 17
Nobuaki Kobayashi
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,304
1,001
0.434
* Total Citation Counts Rankings
Rankings
451,843
9,113
18
Ranking Based On Selection: 18
Sachiyuki Tsukada
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,073
1,441
0.695
* Total Citation Counts Rankings
Rankings
461,350
9,306
19
Ranking Based On Selection: 19
Mashito Sakai
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,013
1,624
0.807
Metabolic diseases
Transcriptional regulation
Molecular biology
Immunolog
* Total Citation Counts Rankings
Rankings
509,175
10,223
20
Ranking Based On Selection: 20
Koji Takagi
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,744
1,727
0.990
* Total Citation Counts Rankings
Rankings
512,195
10,280
21
Ranking Based On Selection: 21
Kenji Daigo
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,729
752
0.435
Innate immunity
Biochemistr
* Total Citation Counts Rankings
Rankings
545,617
10,900
22
Ranking Based On Selection: 22
Teruyuki Dohi
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,566
1,111
0.709
* Total Citation Counts Rankings
Rankings
572,623
11,384
24
Ranking Based On Selection: 23
Tadasu Iizumi
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,449
1,065
0.735
* Total Citation Counts Rankings
Rankings
571,337
11,360
23
Ranking Based On Selection: 24
Gen Ishikawa
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,455
435
0.299
* Total Citation Counts Rankings
Rankings
579,088
11,518
25
Ranking Based On Selection: 25
Hiroshi Fujisaki
Nippon Medical School
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,423
348
0.245
quantum dynamics
biomolecule
path samplin