Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 137 Scientists Citation Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

* Total Citation Counts Rankings
Ranking Based On Selection: 1
Japan
Katsunori Tanaka
分子生物学、染色体機能学
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,519
3,129
0.250
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Japan
Takuji Hatakeyama
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,487
8,195
0.656
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Japan
Katsunori Wakabayashi|若林 克法
Nanoscience
Topological Materials
Quantum Materials
2D Materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,198
4,049
0.332
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Japan
Hirohisa Tanaka
Chemistry
Catalyst
Fuel Cell
Ceramics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,874
3,153
0.266
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Japan
Hideki Hashimoto
Photosynthesis
Carotenoid
Ultrafast Laser Spectroscopy
Stark Spectroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,255
3,500
0.311
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Japan
Hiroki Hibino
2D materials
surface microscopy
epitaxial growth
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,403
2,372
0.252
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Japan
Koichi Iwabuchi
cross-border dialogue
diversity and intersectional alliance
critical public pedagogy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,145
2,614
0.321
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Japan
Shinichi Shikata
Material Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,098
2,336
0.288

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Japan
Motohiro Suzuki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,956
1,925
0.323
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Japan
Hirofumi Yoshikawa
Electrochemistry
Battery
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,341
2,292
0.429
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Japan
Junko Tanaka-Matsumi 松見淳子
Clinical and Cross-Cultural Psychology
culture and mental health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,110
1,443
0.282
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Japan
Takeshi Tokuyama
Computer Science
Mathematics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,946
985
0.199
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Japan
Daisuke Tanaka
Coordination Chemistry
Material Chemsitry
Metal-Organic Frameworks
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,677
1,487
0.318
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Japan
Akihiro Inokuchi
Data Mining
Graph Mining
Machine Learning
AI
Database
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,435
685
0.154
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Japan
Yukio Takahata
Primatology
Behavioral Ecology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,773
498
0.132
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Japan
Susumu Oda
有機化学
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,257
2,976
0.914
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Japan
Keiko Tawa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,120
624
0.200
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Japan
Noboru Ohtani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,102
837
0.270
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Japan
Rofiqul Umam
Geoscience
Geochemistry
Geophysics
Hydrology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,088
2,659
0.861
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Japan
Yoshiyuki Seki
Epigenetics
Germ Cells
Pluripotent Stem Cells
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,922
726
0.248
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Japan
Jun Ichi Katayama
Psychophysiology
Cognitive Neuroscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,580
537
0.208
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Japan
Eiji Fujii
International finance
international economics
applied econometrics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,284
338
0.148
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Japan
Sadahiro Masuo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,201
618
0.281
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Japan
Kazuyoshi Ogasawara
Physics
Materials Science
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,116
693
0.328
* Total Citation Counts Rankings
Rankings
77,002
Japan
1,305
1
Ranking Based On Selection: 1
Katsunori Tanaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,519
3,129
0.250
* Total Citation Counts Rankings
Rankings
77,248
Japan
1,307
2
Ranking Based On Selection: 2
Takuji Hatakeyama
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,487
8,195
0.656
* Total Citation Counts Rankings
Rankings
79,498
Japan
1,359
3
Ranking Based On Selection: 3
Katsunori Wakabayashi|若林 克法
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,198
4,049
0.332
Nanoscience
Topological Materials
Quantum Materials
2D Materials
* Total Citation Counts Rankings
Rankings
82,158
Japan
1,426
4
Ranking Based On Selection: 4
Hirohisa Tanaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,874
3,153
0.266
* Total Citation Counts Rankings
Rankings
87,647
Japan
1,538
5
Ranking Based On Selection: 5
Hideki Hashimoto
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,255
3,500
0.311
Photosynthesis
Carotenoid
Ultrafast Laser Spectroscopy
Stark Spectroscopy
* Total Citation Counts Rankings
Rankings
102,730
Japan
1,864
6
Ranking Based On Selection: 6
Akihiko Fujiwara (藤原明比古)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,819
2,457
0.250
* Total Citation Counts Rankings
Rankings
107,935
Japan
1,978
7
Ranking Based On Selection: 7
Hiroki Hibino
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,403
2,372
0.252
* Total Citation Counts Rankings
Rankings
126,713
Japan
2,387
8
Ranking Based On Selection: 8
Koichi Iwabuchi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,145
2,614
0.321
cross-border dialogue
diversity and intersectional alliance
critical public pedagogy
* Total Citation Counts Rankings
Rankings
127,557
Japan
2,404
9
Ranking Based On Selection: 9
Shinichi Shikata
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,098
2,336
0.288
* Total Citation Counts Rankings
Rankings
176,031
Japan
3,475
10
Ranking Based On Selection: 10
Motohiro Suzuki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,956
1,925
0.323

360° Institutional Performance & Benchmarking Click Here for Live Demo 

Gain data-driven strategic insights into your institution’s academic performance, global positioning, and competitive strengths through advanced analysis and benchmarking

with 20 similarly ranked institutions at City, Country, Region, and Global levels. 

* Total Citation Counts Rankings
Rankings
196,006
Japan
3,892
11
Ranking Based On Selection: 11
Hirofumi Yoshikawa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,341
2,292
0.429
* Total Citation Counts Rankings
Rankings
204,626
Japan
4,087
12
Ranking Based On Selection: 12
Junko Tanaka-Matsumi 松見淳子
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,110
1,443
0.282
Clinical and Cross-Cultural Psychology
culture and mental health
* Total Citation Counts Rankings
Rankings
211,238
Japan
4,251
13
Ranking Based On Selection: 13
Takeshi Tokuyama
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,946
985
0.199
* Total Citation Counts Rankings
Rankings
222,690
Japan
4,492
14
Ranking Based On Selection: 14
Daisuke Tanaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,677
1,487
0.318
Coordination Chemistry
Material Chemsitry
Metal-Organic Frameworks
* Total Citation Counts Rankings
Rankings
233,973
Japan
4,720
15
Ranking Based On Selection: 15
Akihiro Inokuchi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,435
685
0.154
Data Mining
Graph Mining
Machine Learning
AI
Database
* Total Citation Counts Rankings
Rankings
270,741
Japan
5,472
16
Ranking Based On Selection: 16
Yukio Takahata
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,773
498
0.132
* Total Citation Counts Rankings
Rankings
307,047
Japan
6,274
17
Ranking Based On Selection: 17
Susumu Oda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,257
2,976
0.914
* Total Citation Counts Rankings
Rankings
318,303
Japan
6,502
18
Ranking Based On Selection: 18
Keiko Tawa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,120
624
0.200
* Total Citation Counts Rankings
Rankings
319,834
Japan
6,528
19
Ranking Based On Selection: 19
Noboru Ohtani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,102
837
0.270
* Total Citation Counts Rankings
Rankings
320,964
Japan
6,547
20
Ranking Based On Selection: 20
Rofiqul Umam
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,088
2,659
0.861
* Total Citation Counts Rankings
Rankings
335,766
Japan
6,824
21
Ranking Based On Selection: 21
Yoshiyuki Seki
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,922
726
0.248
* Total Citation Counts Rankings
Rankings
370,918
Japan
7,520
22
Ranking Based On Selection: 22
Jun Ichi Katayama
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,580
537
0.208
Psychophysiology
Cognitive Neuroscience
* Total Citation Counts Rankings
Rankings
406,792
Japan
8,301
23
Ranking Based On Selection: 23
Eiji Fujii
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,284
338
0.148
International finance
international economics
applied econometrics
* Total Citation Counts Rankings
Rankings
418,053
Japan
8,538
24
Ranking Based On Selection: 24
Sadahiro Masuo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,201
618
0.281
* Total Citation Counts Rankings
Rankings
430,341
Japan
8,759
25
Ranking Based On Selection: 25
Kazuyoshi Ogasawara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,116
693
0.328