Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 127 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
Akira Ishii
sociophysics
opinion dynamics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,534
6,948
0.375
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Japan
Miki Niwa
Catalysis
Zeolite
Metal oxide
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,910
1,896
0.159
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Japan
Atsushi Tsunekawa 恒川 篤史
environmental planning
dryland ecosystem
Sustainable Land Management (SLM)
remote sensing
GIS
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,605
7,430
0.701
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Japan
Nigussie Haregeweyn
Soil erosion
Reservoir sedimentation
Land use change
Hydrological processes
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,478
7,617
0.727
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Japan
Yukinori Yabuta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,199
3,604
0.353
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Japan
Mitsuru Tsubo
Agrometeorology
Micrometeorology
Crop Modelling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,758
6,282
0.644
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Japan
Hagino H
medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,737
3,721
0.382
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Japan
Toshiyuki Itoh
Ionic Liquids
Organic synthesis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,526
2,076
0.243
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Japan
Okada Futoshi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,378
2,060
0.279

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Japan
Hisashi Tsujimoto
Plant Genetics and Breeding
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,032
2,830
0.402
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Japan
Takao Kotani 小谷岳生
electronic structure
material science
GW approximation
quasiparticle self-consistent GW
ecalj package
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,817
2,082
0.305
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Japan
Atsushi Ishihara
Plant Sciences
Natural Product Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,532
2,371
0.429
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Japan
Mitsuhiro Inoue
Irrigation and Drainage
soil and water
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,775
1,765
0.370
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Japan
Katsuhiko Shimizu
biomineralization
biomimetics
marine biotechnology
zoology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,675
721
0.154
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Japan
Mostafa Abdelrahman
Plant transcriptome and metabolome under stress
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,201
3,673
0.874
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Japan
Ayele A Fenta
Hydrology
Watershed Management
Ecosystem Services
Climate Change
Remote Sensing
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,131
3,698
0.895
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Japan
Hiroyuki Usui
Electrochemistry
Materials Chemistry
Semiconductor Materials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,976
1,974
0.496
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Japan
Kinya Akashi
Plant Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,970
1,232
0.310
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Japan
Hironori Kaminaka
Plant immunity
Mycorrhizal symbiosis
Mycoheterotrophy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,853
1,487
0.386
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Japan
Yasushi Kawata
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,845
944
0.246
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Japan
Ping An
Plant Pysiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,628
1,796
0.495
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Japan
Tomoya Hino
Structural Biology
membrane protein
ion channel
cell surface receptor
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,288
1,293
0.393
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Japan
Kazunori Matsuura
self-assembly
artificial virus
microtubules
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,148
1,222
0.388
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Japan
Norikazu Yamanaka
Forest ecology
Revegetaton in drylands
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,079
1,550
0.503
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Japan
Hironori Izawa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,966
1,419
0.478
* Total Citation Counts Rankings
Rankings
46,052
Japan
704
1
Ranking Based On Selection: 1
Akira Ishii
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,534
6,948
0.375
* Total Citation Counts Rankings
Rankings
81,839
Japan
1,423
2
Ranking Based On Selection: 2
Miki Niwa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
11,910
1,896
0.159
* Total Citation Counts Rankings
Rankings
93,958
Japan
1,667
3
Ranking Based On Selection: 3
Atsushi Tsunekawa 恒川 篤史
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,605
7,430
0.701
environmental planning
dryland ecosystem
Sustainable Land Management (SLM)
remote sensing
GIS
* Total Citation Counts Rankings
Rankings
95,273
Japan
1,700
4
Ranking Based On Selection: 4
Nigussie Haregeweyn
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,478
7,617
0.727
Soil erosion
Reservoir sedimentation
Land use change
Hydrological processes
* Total Citation Counts Rankings
Rankings
98,329
Japan
1,775
5
Ranking Based On Selection: 5
Yukinori Yabuta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,199
3,604
0.353
* Total Citation Counts Rankings
Rankings
103,424
Japan
1,883
6
Ranking Based On Selection: 6
Mitsuru Tsubo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,758
6,282
0.644
Agrometeorology
Micrometeorology
Crop Modelling
* Total Citation Counts Rankings
Rankings
103,682
Japan
1,889
7
Ranking Based On Selection: 7
Hagino H
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,737
3,721
0.382
* Total Citation Counts Rankings
Rankings
120,581
Japan
2,242
8
Ranking Based On Selection: 8
Toshiyuki Itoh
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,526
2,076
0.243
Ionic Liquids
Organic synthesis
* Total Citation Counts Rankings
Rankings
141,219
Japan
2,735
9
Ranking Based On Selection: 9
Okada Futoshi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,378
2,060
0.279
* Total Citation Counts Rankings
Rankings
148,528
Japan
2,868
10
Ranking Based On Selection: 10
Hisashi Tsujimoto
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,032
2,830
0.402

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
153,462
Japan
2,963
11
Ranking Based On Selection: 11
Takao Kotani 小谷岳生
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,817
2,082
0.305
electronic structure
material science
GW approximation
quasiparticle self-consistent GW
ecalj package
* Total Citation Counts Rankings
Rankings
189,296
Japan
3,774
12
Ranking Based On Selection: 12
Atsushi Ishihara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,532
2,371
0.429
* Total Citation Counts Rankings
Rankings
218,419
Japan
4,404
13
Ranking Based On Selection: 13
Mitsuhiro Inoue
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,775
1,765
0.370
* Total Citation Counts Rankings
Rankings
222,780
Japan
4,494
14
Ranking Based On Selection: 14
Katsuhiko Shimizu
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,675
721
0.154
biomineralization
biomimetics
marine biotechnology
zoology
* Total Citation Counts Rankings
Rankings
245,890
Japan
4,976
15
Ranking Based On Selection: 15
Mostafa Abdelrahman
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,201
3,673
0.874
Plant transcriptome and metabolome under stress
* Total Citation Counts Rankings
Rankings
249,785
Japan
5,046
16
Ranking Based On Selection: 16
Ayele A Fenta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,131
3,698
0.895
Hydrology
Watershed Management
Ecosystem Services
Climate Change
Remote Sensing
* Total Citation Counts Rankings
Rankings
258,656
Japan
5,230
17
Ranking Based On Selection: 17
Hiroyuki Usui
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,976
1,974
0.496
Electrochemistry
Materials Chemistry
Semiconductor Materials
* Total Citation Counts Rankings
Rankings
259,040
Japan
5,238
18
Ranking Based On Selection: 18
Kinya Akashi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,970
1,232
0.310
* Total Citation Counts Rankings
Rankings
265,862
Japan
5,379
19
Ranking Based On Selection: 19
Hironori Kaminaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,853
1,487
0.386
Plant immunity
Mycorrhizal symbiosis
Mycoheterotrophy
* Total Citation Counts Rankings
Rankings
266,334
Japan
5,389
20
Ranking Based On Selection: 20
Yasushi Kawata
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,845
944
0.246
* Total Citation Counts Rankings
Rankings
280,099
Japan
5,682
21
Ranking Based On Selection: 21
Ping An
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,628
1,796
0.495
* Total Citation Counts Rankings
Rankings
304,588
Japan
6,226
22
Ranking Based On Selection: 22
Tomoya Hino
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,288
1,293
0.393
Structural Biology
membrane protein
ion channel
cell surface receptor
* Total Citation Counts Rankings
Rankings
315,889
Japan
6,443
23
Ranking Based On Selection: 23
Kazunori Matsuura
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,148
1,222
0.388
self-assembly
artificial virus
microtubules
* Total Citation Counts Rankings
Rankings
321,811
Japan
6,570
24
Ranking Based On Selection: 24
Norikazu Yamanaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,079
1,550
0.503
* Total Citation Counts Rankings
Rankings
331,777
Japan
6,758
25
Ranking Based On Selection: 25
Hironori Izawa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,966
1,419
0.478
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