Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 89 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
Liver disease
Viral hepatitis
Oxidative stres
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,239
6,819
0.241
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
Molecular Oncolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,520
8,183
0.363
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Cardiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,086
5,915
0.392
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Autoimmunity
B cells
Skin diseases
Systemic sclerosi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,916
3,767
0.292
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Urolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,291
8,073
0.657
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Neuroscience
Regenerative Medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,521
3,115
0.270
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,093
3,932
0.354
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Human molecular genetics
Allerg
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,277
3,131
0.378
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Physiology
Cardiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,812
1,810
0.232
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Thoracic Surgery
Minimally invasive surgery
Lung cancer surgery
Lung transplantatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,156
2,658
0.371
* Total Citation Counts Rankings
Ranking Based On Selection: 11
stroke
neurosonology
and clinical neurolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,035
3,209
0.456
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Exosome
Fibrosis
Aging
Cance
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,938
5,444
0.785
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Epilepsy
Child Neurolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,523
4,742
0.727
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Parasitology
Medical Entomolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,094
1,965
0.322
* Total Citation Counts Rankings
Ranking Based On Selection: 15
transporters
nutrition
membrane proteins
biochemistry
proteomic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,033
3,388
0.562
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Developmental Biology
Evolutionary Developmental Biology
Histology
Anatom
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,954
1,348
0.272
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,311
1,410
0.327
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Rehabilitation Medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,621
2,726
0.753
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,508
2,707
0.772
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Lung regeneration
Stem cell niche
Fibrosis
Senescence
Extracellular vesicle
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,968
2,538
0.855
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Prenatal diagnosis
NIP
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,923
972
0.333
* Total Citation Counts Rankings
Ranking Based On Selection: 22
dementia
neuropsychiatry
neuroimaging
geriatric psychiatr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,750
1,310
0.476
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Hepatology
Virology
Laboratory Medicin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,707
747
0.276
* Total Citation Counts Rankings
Ranking Based On Selection: 24
パーキンソン病，認知症，核医学，SPEC
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,532
881
0.348
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Neuroscience
Electrophysiology
Plasticity
Synaptic transmissio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,513
452
0.180
* Total Citation Counts Rankings
Rankings
26,412
361
1
Ranking Based On Selection: 1
Tsubota Akihito
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,239
6,819
0.241
* Total Citation Counts Rankings
Rankings
36,729
524
2
Ranking Based On Selection: 2
Kiyotsugu Yoshida
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,520
8,183
0.363
* Total Citation Counts Rankings
Rankings
63,434
1,015
3
Ranking Based On Selection: 3
Teiichi Yamane
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,086
5,915
0.392
* Total Citation Counts Rankings
Rankings
77,332
1,309
4
Ranking Based On Selection: 4
Koichi Yanaba
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,916
3,767
0.292
Autoimmunity
B cells
Skin diseases
Systemic sclerosi
* Total Citation Counts Rankings
Rankings
82,076
1,418
5
Ranking Based On Selection: 5
Takahiro Kimura
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,291
8,073
0.657
* Total Citation Counts Rankings
Rankings
88,895
1,559
6
Ranking Based On Selection: 6
Hirotaka James Okano
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,521
3,115
0.270
* Total Citation Counts Rankings
Rankings
92,939
1,640
7
Ranking Based On Selection: 7
Mayumi Tamari
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,093
3,932
0.354
* Total Citation Counts Rankings
Rankings
129,682
2,437
8
Ranking Based On Selection: 8
Tomomitsu Hirota
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,277
3,131
0.378
Human molecular genetics
Allerg
* Total Citation Counts Rankings
Rankings
138,196
2,642
9
Ranking Based On Selection: 9
Susumu Minamisawa
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,812
1,810
0.232
* Total Citation Counts Rankings
Rankings
151,665
2,908
10
Ranking Based On Selection: 10
Takashi Ohtsuka
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,156
2,658
0.371
Thoracic Surgery
Minimally invasive surgery
Lung cancer surgery
Lung transplantatio
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* Total Citation Counts Rankings
Rankings
154,445
2,967
11
Ranking Based On Selection: 11
Yasuyuki Iguchi 井口 保之
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,035
3,209
0.456
stroke
neurosonology
and clinical neurolog
* Total Citation Counts Rankings
Rankings
156,703
3,026
12
Ranking Based On Selection: 12
Yu Fujita|藤田雄
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,938
5,444
0.785
* Total Citation Counts Rankings
Rankings
167,019
3,229
13
Ranking Based On Selection: 13
Norimichi Higurashi
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,523
4,742
0.727
Epilepsy
Child Neurolog
* Total Citation Counts Rankings
Rankings
178,928
3,520
14
Ranking Based On Selection: 14
Hirotaka Kanuka
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,094
1,965
0.322
Parasitology
Medical Entomolog
* Total Citation Counts Rankings
Rankings
180,838
3,566
15
Ranking Based On Selection: 15
Shushi Nagamori
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,033
3,388
0.562
transporters
nutrition
membrane proteins
biochemistry
proteomic
* Total Citation Counts Rankings
Rankings
219,195
4,389
16
Ranking Based On Selection: 16
Masataka Okabe
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,954
1,348
0.272
Developmental Biology
Evolutionary Developmental Biology
Histology
Anatom
* Total Citation Counts Rankings
Rankings
249,448
5,024
17
Ranking Based On Selection: 17
Ken-İchiro Kubo
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,311
1,410
0.327
* Total Citation Counts Rankings
Rankings
290,921
5,877
18
Ranking Based On Selection: 18
Ryo Momosaki
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,621
2,726
0.753
* Total Citation Counts Rankings
Rankings
299,048
6,056
19
Ranking Based On Selection: 19
Koichiro Haruki
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,508
2,707
0.772
* Total Citation Counts Rankings
Rankings
343,505
6,940
20
Ranking Based On Selection: 20
Tsukasa Kadota
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,968
2,538
0.855
Lung regeneration
Stem cell niche
Fibrosis
Senescence
Extracellular vesicle
* Total Citation Counts Rankings
Rankings
347,902
7,034
21
Ranking Based On Selection: 21
Osamu Samura
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,923
972
0.333
* Total Citation Counts Rankings
Rankings
365,332
7,353
22
Ranking Based On Selection: 22
Shunichiro Shinagawa
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,750
1,310
0.476
dementia
neuropsychiatry
neuroimaging
geriatric psychiatr
* Total Citation Counts Rankings
Rankings
369,943
7,456
23
Ranking Based On Selection: 23
Takahiro Masaki
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,707
747
0.276
Hepatology
Virology
Laboratory Medicin
* Total Citation Counts Rankings
Rankings
389,618
7,879
24
Ranking Based On Selection: 24
鈴木正彦
Jikei University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,532
881
0.348
* Total Citation Counts Rankings
Rankings
391,844
7,936
1
Ranking Based On Selection: 25
Fumitaka Kimura
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,513
452
0.180
Neuroscience
Electrophysiology
Plasticity
Synaptic transmissio