Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 139 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
Japan
Yasuo Ihara (井原 康夫)
Alzheimer's Disease
Neuroscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,001
5,667
0.162
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Japan
Kenichi Yoshikawa
Biological Physics
Nonlinear Science
Medical Physics
Physical Chemistr
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,120
5,292
0.195
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Japan
Akira Kobayashi
Gene regulation
Molecular Biology
Stress respons
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,148
6,506
0.308
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Japan
Minoru Inaba
Electrochemistry
Batteries
Lithium-ion Batteries
Fuel Cells
Electrocatalyst
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,222
5,104
0.266
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Japan
Shoji İtakura
発達科学
Developmental Cybernetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,547
3,664
0.429
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Japan
Shigeo Takamori
Neuroscience
Synaps
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,407
2,125
0.253
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Japan
Yasuhito Tanaka
Economic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,303
2,234
0.269
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Japan
Yong Yin|殷勇, Yin Y.
Manufacturing Management
Management Sciences
Manufacturing Systems
Seru Production
Production System
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,267
3,288
0.624
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Japan
Yoshihiro Baba
EMC
Lightning
Computational Electromagnetic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,001
1,667
0.333

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Japan
Hiroaki Misonou
Neuroscienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,709
1,145
0.243
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Japan
Masayuki Suzuki
Fiber laser
time stretch dispersive fourier transform
ultrafast spectroscop
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,568
1,045
0.229
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Japan
Tomoyuki Yamanaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,332
826
0.191
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Japan
Mami Matsukawa
Ultrasoun
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,955
1,369
0.346
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Japan
Tomoyuki Hiroyasu
システム工学、脳神経科学、進化計算、人工知能、情報処�
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,744
905
0.242
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Japan
Kojiro Ishii
health promotion
physical activity
sports scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,362
989
0.294
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Japan
Hiroyuki Miyamoto
materials scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,927
1,757
0.600
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Japan
Takao Tsuchiya
Numerical Acoustic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,493
551
0.221
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Japan
Kenji Kitao  北尾謙治
コーパス言語学 語用論 言語教育 コミュニケーショ�
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,359
438
0.186
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Japan
Hiroyuki Toda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,985
261
0.131
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Japan
Hiroyuki Tsutsumi
Active tectonics
Tectonic geomorphology
Paleoseismolog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,890
673
0.356
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Japan
Masahiro Okuda
Image Processing
Signal Processing
Machine Learnin
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,781
527
0.296
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Japan
Keisuke Imoto
Acoustic Signal Processing
Sound Event Detectio
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,774
1,623
0.915
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Japan
Shin Ichi Ishikawa
Clinical Child Psycholog
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,771
952
0.538
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Japan
Leo Loveday
sociolinguistics
stylistics
onomastic
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,732
297
0.171
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Japan
Motohiro Yuasa
Materials science
Metals and alloys
Magnesium
Computational materials scienc
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,586
939
0.592
* Total Citation Counts Rankings
Rankings
19,066
Japan
235
1
Ranking Based On Selection: 1
Yasuo Ihara (井原 康夫)
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
35,001
5,667
0.162
* Total Citation Counts Rankings
Rankings
28,167
Japan
395
2
Ranking Based On Selection: 2
Kenichi Yoshikawa
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,120
5,292
0.195
Biological Physics
Nonlinear Science
Medical Physics
Physical Chemistr
* Total Citation Counts Rankings
Rankings
40,295
Japan
584
3
Ranking Based On Selection: 3
Akira Kobayashi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
21,148
6,506
0.308
* Total Citation Counts Rankings
Rankings
45,894
Japan
694
4
Ranking Based On Selection: 4
Minoru Inaba
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
19,222
5,104
0.266
Electrochemistry
Batteries
Lithium-ion Batteries
Fuel Cells
Electrocatalyst
* Total Citation Counts Rankings
Rankings
125,375
Japan
2,328
5
Ranking Based On Selection: 5
Shoji İtakura
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,547
3,664
0.429
発達科学
Developmental Cybernetic
* Total Citation Counts Rankings
Rankings
127,689
Japan
2,391
6
Ranking Based On Selection: 6
Shigeo Takamori
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,407
2,125
0.253
* Total Citation Counts Rankings
Rankings
129,514
Japan
2,429
7
Ranking Based On Selection: 7
Yasuhito Tanaka
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,303
2,234
0.269
* Total Citation Counts Rankings
Rankings
206,925
Japan
4,093
8
Ranking Based On Selection: 8
Yong Yin|殷勇, Yin Y.
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,267
3,288
0.624
Manufacturing Management
Management Sciences
Manufacturing Systems
Seru Production
Production System
* Total Citation Counts Rankings
Rankings
217,623
Japan
4,339
9
Ranking Based On Selection: 9
Yoshihiro Baba
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,001
1,667
0.333
EMC
Lightning
Computational Electromagnetic
* Total Citation Counts Rankings
Rankings
230,311
Japan
4,624
10
Ranking Based On Selection: 10
Hiroaki Misonou
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,709
1,145
0.243

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
236,935
Japan
4,752
11
Ranking Based On Selection: 11
Masayuki Suzuki
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,568
1,045
0.229
Fiber laser
time stretch dispersive fourier transform
ultrafast spectroscop
* Total Citation Counts Rankings
Rankings
248,776
Japan
5,004
12
Ranking Based On Selection: 12
Tomoyuki Yamanaka
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,332
826
0.191
* Total Citation Counts Rankings
Rankings
270,129
Japan
5,427
13
Ranking Based On Selection: 13
Mami Matsukawa
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,955
1,369
0.346
* Total Citation Counts Rankings
Rankings
283,317
Japan
5,705
14
Ranking Based On Selection: 14
Tomoyuki Hiroyasu
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,744
905
0.242
システム工学、脳神経科学、進化計算、人工知能、情報処�
* Total Citation Counts Rankings
Rankings
310,549
Japan
6,305
15
Ranking Based On Selection: 15
Kojiro Ishii
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,362
989
0.294
* Total Citation Counts Rankings
Rankings
348,033
Japan
7,026
16
Ranking Based On Selection: 16
Hiroyuki Miyamoto
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,927
1,757
0.600
* Total Citation Counts Rankings
Rankings
394,780
Japan
8,007
17
Ranking Based On Selection: 17
Takao Tsuchiya
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,493
551
0.221
* Total Citation Counts Rankings
Rankings
411,378
Japan
8,356
18
Ranking Based On Selection: 18
Kenji Kitao 北尾謙治
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,359
438
0.186
コーパス言語学 語用論 言語教育 コミュニケーショ�
* Total Citation Counts Rankings
Rankings
465,991
Japan
9,389
19
Ranking Based On Selection: 19
Hiroyuki Toda
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,985
261
0.131
* Total Citation Counts Rankings
Rankings
482,160
Japan
9,700
20
Ranking Based On Selection: 20
Hiroyuki Tsutsumi
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,890
673
0.356
* Total Citation Counts Rankings
Rankings
502,159
Japan
10,100
21
Ranking Based On Selection: 21
Masahiro Okuda
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,781
527
0.296
* Total Citation Counts Rankings
Rankings
503,390
Japan
10,124
22
Ranking Based On Selection: 22
Keisuke Imoto
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,774
1,623
0.915
Acoustic Signal Processing
Sound Event Detectio
* Total Citation Counts Rankings
Rankings
504,055
Japan
10,134
23
Ranking Based On Selection: 23
Shin Ichi Ishikawa
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,771
952
0.538
* Total Citation Counts Rankings
Rankings
511,668
Japan
10,271
24
Ranking Based On Selection: 24
Leo Loveday
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,732
297
0.171
* Total Citation Counts Rankings
Rankings
541,278
Japan
10,815
25
Ranking Based On Selection: 25
Motohiro Yuasa
       Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,586
939
0.592
Materials science
Metals and alloys
Magnesium
Computational materials scienc