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
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :1
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,535
16,015
0.508
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :2
ionic liquid
polymer
molecular assembly
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,486
11,597
0.286
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :3
gut microbiota
obesity
short chain fatty acids
progesterone
estrogen
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,822
7,711
0.713
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :4
Photocatalysis
Material Science
Solar Energy Conversion
Diamond Electrode
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,636
7,505
0.550
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :5
Plant Biology
Signal transduction
Proteomics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,945
6,951
0.387
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :6
Biotechnology
Apllied Microbiology
Biosensor
Bioelectrochemstry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,594
5,632
0.197
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :7
生物工学、マリンバイオテクノロジー、バイオセンサ
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,926
4,929
0.275
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :8
Silk NMR
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,534
4,502
0.243
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :9
Environmental Microbiology
Environmental Biotechnology
Wastewater Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,118
3,889
0.546
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :10
endocrinology
reproductive physiology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,896
3,693
0.286
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :11
環境工学、バイオエンジニアリング
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,065
3,621
0.399
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :12
allelopathy
chemical ecology
natural products
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,472
3,554
0.375
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :13
Environmental Chemistry
Soil Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,561
3,426
0.751
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :14
composites
ceramic matrix composites
carbon nanotubes
ablator
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,233
3,139
0.504
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :15
Metal Forming
Plasticity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,030
2,944
0.419
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :16
Watershed hydrology
Ecosystem Management
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,574
2,757
0.419
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :17
Signal Processing
Biomedical Engineering
Biosignal Informatics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,275
2,641
0.501
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :18
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,546
2,590
0.467
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :19
Epigenetics
clones
developmental biology
reproductive biology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,057
2,558
0.317
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :20
Lipid metabolism
nutrition
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,860
2,469
0.421
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :21
Machining
Additive Manufacturing
Process Modeling
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,187
2,353
0.562
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :22
Nanopore
Lipid bilayer
DNA computing
Microfabrication
Molecular Robotics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,846
2,280
0.470
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :23
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,492
2,168
0.395
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :24
materials
superconductivity
magnets
machine learning
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,701
2,161
0.379
* Last 6 Years Citation Counts Rankings
Ranking Based On Selection :25
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,485
2,032
0.583
Hideshige Takada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
31,535
16,015
0.508
Hiroyuki Ohno
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
40,486
11,597
0.286
Ikuo Kimura
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,822
7,711
0.713
gut microbiota
obesity
short chain fatty acids
progesterone
estrogen
Kazuya Nakata
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,636
7,505
0.550
Photocatalysis
Material Science
Solar Energy Conversion
Diamond Electrode
Taishi Umezawa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,945
6,951
0.387
Plant Biology
Signal transduction
Proteomics
Tadashi Matsunaga
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
28,594
5,632
0.197
Biotechnology
Apllied Microbiology
Biosensor
Bioelectrochemstry
Tsuyoshi Tanaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
17,926
4,929
0.275
Tetsuo Asakura
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
18,534
4,502
0.243
Akihiko Terada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,118
3,889
0.546
Environmental Microbiology
Environmental Biotechnology
Wastewater Engineering
Gen Watanabe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,896
3,693
0.286
endocrinology
reproductive physiology
Masaaki Hosomi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,065
3,621
0.399
Yoshiharu Fujii
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,472
3,554
0.375
allelopathy
chemical ecology
natural products
Yohey Hashimoto
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,561
3,426
0.751
Environmental Chemistry
Soil Chemistry
Toshio Ogasawara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,233
3,139
0.504
composites
ceramic matrix composites
carbon nanotubes
ablator
Toshihiko Kuwabara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,030
2,944
0.419
Metal Forming
Plasticity
Takashi Gomi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,574
2,757
0.419
Watershed hydrology
Ecosystem Management
Toshihisa Tanaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,275
2,641
0.501
Signal Processing
Biomedical Engineering
Biosignal Informatics
Tsutomu Arie
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,546
2,590
0.467
Masahiro Kaneda
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,057
2,558
0.317
Epigenetics
clones
developmental biology
reproductive biology
Miki Igarashi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,860
2,469
0.421
Hiroyuki Sasahara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,187
2,353
0.562
Machining
Additive Manufacturing
Process Modeling
Ryuji Kawano
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,846
2,280
0.470
Nanopore
Lipid bilayer
DNA computing
Microfabrication
Molecular Robotics
Toshiyuki Fukuhara
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,492
2,168
0.395
Akiyasu Yamamoto
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,701
2,161
0.379
materials
superconductivity
magnets
machine learning
Makoto Watanabe
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,485
2,032
0.583