Citation Rankings
Highly Cited Researchers
Highly Cited Researchers 165 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
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,298
7,948
0.392
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* Total Citation Counts Rankings
Ranking Based On Selection: 2
mineral physics
materials scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,250
7,123
0.370
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,275
7,196
0.394
* Total Citation Counts Rankings
Ranking Based On Selection: 4
natural product chemistry
pesticide science
plant growth regulatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,729
6,408
0.383
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Hematology
Immunology
Infectious Disease
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,878
4,133
0.260
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Molecular Pathology
Epigenetics
Osteoclastogenesi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,787
3,367
0.228
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,810
2,876
0.208
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,975
6,363
0.490
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Environmental Toxicology
Chemical Pollution
Environmental Chemistry
Ecotoxicology
Aquatic Toxicolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,629
2,375
0.188
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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,520
4,367
0.379
* Total Citation Counts Rankings
Ranking Based On Selection: 11
parasitolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,112
4,197
0.378
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Epidemiolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,823
3,868
0.357
* Total Citation Counts Rankings
Ranking Based On Selection: 13
aquatic microbial ecology
antibiotic resistance
marine microbiology
fish diseas
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,115
4,365
0.432
* Total Citation Counts Rankings
Ranking Based On Selection: 14
タンパク質、タンパク質分解、抗体、近接ビオチン化、プロテインアレ�
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,194
3,696
0.402
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Psychiatry
Neuroscience
Molecular
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,824
3,193
0.362
* Total Citation Counts Rankings
Ranking Based On Selection: 16
reproductive physiology
Fish Physiology
insects_as_food_and_feed
sustainable aquacultur
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,761
2,753
0.314
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,700
2,325
0.302
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Gastroenterology
Hepatology
Pancreatology
Medical Educatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,134
3,157
0.443
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Plant science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,091
3,951
0.557
* Total Citation Counts Rankings
Ranking Based On Selection: 20
VLSI testing
test
Fault-tolerant Computin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,320
1,131
0.179
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Bone
Muscle
Join
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,139
2,364
0.385
* Total Citation Counts Rankings
Ranking Based On Selection: 22
ゲノム編集 形態形成 遺伝子発現制�
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,020
2,104
0.350
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,013
5,684
0.945
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Malari
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,508
2,786
0.506
* Total Citation Counts Rankings
Ranking Based On Selection: 25
muscle biology
glycosylatio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,452
1,791
0.329
* Total Citation Counts Rankings
Rankings
42,567
630
1
Ranking Based On Selection: 1
Taiju Saito
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,298
7,948
0.392
* Total Citation Counts Rankings
Rankings
45,730
691
2
Ranking Based On Selection: 2
T Irifune
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,250
7,123
0.370
mineral physics
materials scienc
* Total Citation Counts Rankings
Rankings
49,131
758
3
Ranking Based On Selection: 3
Katsuhiko Kohara
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,275
7,196
0.394
* Total Citation Counts Rankings
Rankings
55,317
878
4
Ranking Based On Selection: 4
Koichi Yoneyama
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
16,729
6,408
0.383
natural product chemistry
pesticide science
plant growth regulatio
* Total Citation Counts Rankings
Rankings
59,285
946
5
Ranking Based On Selection: 5
Masaki Yasukawa
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
15,878
4,133
0.260
Hematology
Immunology
Infectious Disease
* Total Citation Counts Rankings
Rankings
65,095
1,049
6
Ranking Based On Selection: 6
Sohei Kitazawa
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,787
3,367
0.228
Molecular Pathology
Epigenetics
Osteoclastogenesi
* Total Citation Counts Rankings
Rankings
71,146
1,181
7
Ranking Based On Selection: 7
Toshiaki Takahashi
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,810
2,876
0.208
* Total Citation Counts Rankings
Rankings
76,922
1,298
8
Ranking Based On Selection: 8
Sipra Mohapatra
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,975
6,363
0.490
* Total Citation Counts Rankings
Rankings
79,421
1,343
9
Ranking Based On Selection: 9
Hisato Iwata
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,629
2,375
0.188
Environmental Toxicology
Chemical Pollution
Environmental Chemistry
Ecotoxicology
Aquatic Toxicolog
* Total Citation Counts Rankings
Rankings
88,903
1,560
10
Ranking Based On Selection: 10
Yuichi Terashima
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,520
4,367
0.379
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* Total Citation Counts Rankings
Rankings
92,734
1,633
11
Ranking Based On Selection: 11
Takafumi Tsuboi
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,112
4,197
0.378
* Total Citation Counts Rankings
Rankings
95,649
1,699
12
Ranking Based On Selection: 12
Yoshihiro Miyake
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,823
3,868
0.357
* Total Citation Counts Rankings
Rankings
103,522
1,871
13
Ranking Based On Selection: 13
Satoru Suzuki
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,115
4,365
0.432
aquatic microbial ecology
antibiotic resistance
marine microbiology
fish diseas
* Total Citation Counts Rankings
Rankings
115,381
2,111
14
Ranking Based On Selection: 14
Tatsuya Sawasaki
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,194
3,696
0.402
* Total Citation Counts Rankings
Rankings
120,781
2,222
15
Ranking Based On Selection: 15
Shui-Chi Ueno
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,824
3,193
0.362
Psychiatry
Neuroscience
Molecular
* Total Citation Counts Rankings
Rankings
121,769
2,252
16
Ranking Based On Selection: 16
Miura Takeshi
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,761
2,753
0.314
reproductive physiology
Fish Physiology
insects_as_food_and_feed
sustainable aquacultur
* Total Citation Counts Rankings
Rankings
140,385
2,692
17
Ranking Based On Selection: 17
Taku Tsuchiya
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,700
2,325
0.302
* Total Citation Counts Rankings
Rankings
152,166
2,922
18
Ranking Based On Selection: 18
Teru Kumagi
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,134
3,157
0.443
Gastroenterology
Hepatology
Pancreatology
Medical Educatio
* Total Citation Counts Rankings
Rankings
153,161
2,940
19
Ranking Based On Selection: 19
Md. Saiful Islam
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,091
3,951
0.557
* Total Citation Counts Rankings
Rankings
172,521
3,368
20
Ranking Based On Selection: 20
Hiroshi Takahashi
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,320
1,131
0.179
VLSI testing
test
Fault-tolerant Computin
* Total Citation Counts Rankings
Rankings
177,659
3,486
21
Ranking Based On Selection: 21
Yuuki Imai
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,139
2,364
0.385
* Total Citation Counts Rankings
Rankings
181,249
3,572
22
Ranking Based On Selection: 22
Hidetaka Kaya
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,020
2,104
0.350
* Total Citation Counts Rankings
Rankings
181,422
3,579
23
Ranking Based On Selection: 23
Hirotaka Iwaki
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,013
5,684
0.945
* Total Citation Counts Rankings
Rankings
197,799
3,911
24
Ranking Based On Selection: 24
Richard Culleton
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,508
2,786
0.506
* Total Citation Counts Rankings
Rankings
199,847
3,950
25
Ranking Based On Selection: 25
Motoi Kanagawa
Ehime University
Matsuyama, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,452
1,791
0.329