Citation Rankings (Highly Cited Researchers) and the list of the most cited and influential researchers cover a wide range of scientific fields, spanning 197 main and sub-disciplines, as well as the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings, offering a unique service. Additionally, the list without CERN, Statistical Data, etc., provided exclusively by “AD Scientific Index”, is part of our effort to balance the situation created by CERN and researchers with statistical data, who have an advantage over others, especially those in the social and humanities fields. There should be new regulations for multi-author and CERN papers. Citation lists also reveal many rule violations and unethical practices. See also for more specific citation analyses: 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
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,125
11,719
0.466
* Total Citation Counts Rankings
Ranking Based On Selection :2
molecular evolution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,885
3,981
0.191
* Total Citation Counts Rankings
Ranking Based On Selection :3
microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,898
3,671
0.205
* Total Citation Counts Rankings
Ranking Based On Selection :4
Neuroscience
Neuroanatomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,803
4,821
0.326
* Total Citation Counts Rankings
Ranking Based On Selection :5
Pharmacokinetics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,691
3,858
0.361
* Total Citation Counts Rankings
Ranking Based On Selection :6
gastroenterology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,147
5,979
0.654
* Total Citation Counts Rankings
Ranking Based On Selection :7
Veterinary microbiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,069
1,734
0.215
* Total Citation Counts Rankings
Ranking Based On Selection :8
Refractive Surgery Cataract Cornea
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,024
3,992
0.498
* Total Citation Counts Rankings
Ranking Based On Selection :9
Bacterial Pathogenesis
Salmonella
Helicobacter
Streptococcus
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,261
2,528
0.348
* Total Citation Counts Rankings
Ranking Based On Selection :10
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,778
2,533
0.374
* Total Citation Counts Rankings
Ranking Based On Selection :11
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,331
2,107
0.395
* Total Citation Counts Rankings
Ranking Based On Selection :12
Environmental Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,279
2,565
0.486
* Total Citation Counts Rankings
Ranking Based On Selection :13
optical devices
optical communication
optical measurement
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,129
469
0.091
* Total Citation Counts Rankings
Ranking Based On Selection :14
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,988
860
0.172
* Total Citation Counts Rankings
Ranking Based On Selection :15
Medicine
Veterinary Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,984
1,910
0.383
* Total Citation Counts Rankings
Ranking Based On Selection :16
Neuroscience
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,872
1,138
0.234
* Total Citation Counts Rankings
Ranking Based On Selection :17
NTM
MAC
Bronchiectasis
SARS-CoV-2
Epithelium
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,705
4,499
0.956
* Total Citation Counts Rankings
Ranking Based On Selection :18
Bacteriology
Type III secretion system
Bacterial effectors
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,619
790
0.171
* Total Citation Counts Rankings
Ranking Based On Selection :19
Preventive Cardiovascular Medicine
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,494
2,288
0.509
* Total Citation Counts Rankings
Ranking Based On Selection :20
進化生物学、分子生物学、細胞生物学、発生生物学
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,445
1,713
0.385
* Total Citation Counts Rankings
Ranking Based On Selection :21
Biomedical engineering
Laser
Applied physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,291
748
0.174
* Total Citation Counts Rankings
Ranking Based On Selection :22
Plant metal homeostasis
transport
molecular genetics
molecular breeding
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,156
2,483
0.597
* Total Citation Counts Rankings
Ranking Based On Selection :23
分子生物学、生化学、細胞生物学
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,044
1,199
0.296
* Total Citation Counts Rankings
Ranking Based On Selection :24
Developmental Biology
Molecular biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,493
447
0.128
* Total Citation Counts Rankings
Ranking Based On Selection :25
Immunology
Pathology
Parasitology
Hepatology
Pediatrics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,450
604
0.175
Kenshiro Oshima
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25,125
11,719
0.466
Norihiro Okada
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
20,885
3,981
0.191
Toshiaki Kudo
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,898
3,671
0.205
Masahiro Fukaya
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
14,803
4,821
0.326
Kazuya Maeda
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,691
3,858
0.361
Taku Kobayashi
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,147
5,979
0.654
Shinji Takai
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,069
1,734
0.215
Veterinary microbiology
Kazutaka Kamiya
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,024
3,992
0.498
Hidenori Matsui
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,261
2,528
0.348
Kazumasa Matsumoto
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,778
2,533
0.374
Nagamitsu Maie
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,331
2,107
0.395
Kazunari Sei
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,279
2,565
0.486
Environmental Engineering
Yuzo Yoshikuni
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,129
469
0.091
optical devices
optical communication
optical measurement
Nobuya Sasaki
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,988
860
0.172
Dong Liang Hu
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,984
1,910
0.383
Medicine
Veterinary Medicine
Kenji Mandai
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,872
1,138
0.234
Takanori Asakura
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,705
4,499
0.956
Akio Abe
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,619
790
0.171
Bacteriology
Type III secretion system
Bacterial effectors
Minako Yamaoka Tojo
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,494
2,288
0.509
Preventive Cardiovascular Medicine
Michihiko Ito
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,445
1,713
0.385
Hiroshi Kumagai
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,291
748
0.174
Biomedical engineering
Laser
Applied physics
Shimpei Uraguchi
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,156
2,483
0.597
Plant metal homeostasis
transport
molecular genetics
molecular breeding
Mitsuru Okuwaki
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,044
1,199
0.296
Daisuke Watanabe
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,493
447
0.128
Developmental Biology
Molecular biology
Toshihiko Kawamura
Kitasato University
Tokyo, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,450
604
0.175
Immunology
Pathology
Parasitology
Hepatology
Pediatrics