Citation Rankings
Highly Cited Researchers
National Astronomical Observatory of Japan Highly Cited Researchers Citation Rankings 2025
The Citation Rankings (Highly Cited Researchers) 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
quantum optics
gravitational wave
non-linear optics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79,477
60,711
0.764
* Total Citation Counts Rankings
Ranking Based On Selection :2
Astronomy
Origin of Life
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,141
5,188
0.191
* Total Citation Counts Rankings
Ranking Based On Selection :3
astronomy
telescope
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,752
6,026
0.254
* Total Citation Counts Rankings
Ranking Based On Selection :4
Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,661
12,879
0.568
* Total Citation Counts Rankings
Ranking Based On Selection :5
General Relativity
Gravitation
Quantum Measurement Theory
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,951
11,290
0.809
* Total Citation Counts Rankings
Ranking Based On Selection :6
Astrophysics
Black Holes
General Relativity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,564
13,539
0.998
* Total Citation Counts Rankings
Ranking Based On Selection :7
Astronomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,414
2,055
0.153
* Total Citation Counts Rankings
Ranking Based On Selection :8
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,261
5,767
0.435
* Total Citation Counts Rankings
Ranking Based On Selection :9
Astrophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,577
7,220
0.574
* Total Citation Counts Rankings
Ranking Based On Selection :10
太陽物理学、プラズマ物理学、電波天文学、X線天文学
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,683
2,856
0.295
* Total Citation Counts Rankings
Ranking Based On Selection :11
Solar Physics
Astrophysics
Magnetohydrodynamics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,450
2,080
0.220
* Total Citation Counts Rankings
Ranking Based On Selection :12
Astronomy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,842
3,504
0.396
* Total Citation Counts Rankings
Ranking Based On Selection :13
radioastronomy astrobiology astrochemistry database
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,755
2,094
0.239
* Total Citation Counts Rankings
Ranking Based On Selection :14
astronomy
exoplanets
planet formation
infrared/radio observations
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,295
3,200
0.386
* Total Citation Counts Rankings
Ranking Based On Selection :15
Astronomy
Astrophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,751
5,787
0.747
* Total Citation Counts Rankings
Ranking Based On Selection :16
Theoretical Astronomy
Simulation Astrophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,907
2,434
0.352
* Total Citation Counts Rankings
Ranking Based On Selection :17
Astrophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,515
4,417
0.678
* Total Citation Counts Rankings
Ranking Based On Selection :18
天文学
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,170
2,726
0.442
* Total Citation Counts Rankings
Ranking Based On Selection :19
Exoplanet
Planet formation
Planet atmosphere
Planet interior
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,939
3,567
0.601
* Total Citation Counts Rankings
Ranking Based On Selection :20
Gamma Ray Burst
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,723
4,650
0.813
* Total Citation Counts Rankings
Ranking Based On Selection :21
Astronomy
Physics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,379
1,169
0.217
* Total Citation Counts Rankings
Ranking Based On Selection :22
radio astronomy
high-energy physics
cosmic rays
supernova remnant
high-mass star formation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,894
3,747
0.766
* Total Citation Counts Rankings
Ranking Based On Selection :23
comets
asteroids
interplanetary dust
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,450
1,239
0.278
* Total Citation Counts Rankings
Ranking Based On Selection :24
Supermassive Black Hole
Galaxy Evolution
Co-evolution
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,344
3,528
0.812
* Total Citation Counts Rankings
Ranking Based On Selection :25
Planet formation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,644
2,812
0.772
* Total Citation Counts Rankings
Rankings
4,658
55
1
Ranking Based On Selection: 1
Matteo Leonardi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
79,477
60,711
0.764
quantum optics
gravitational wave
non-linear optics
* Total Citation Counts Rankings
Rankings
25,925
357
2
Ranking Based On Selection: 2
Saku Tsuneta
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
27,141
5,188
0.191
* Total Citation Counts Rankings
Rankings
31,678
441
3
Ranking Based On Selection: 3
Masanori Iye
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
23,752
6,026
0.254
* Total Citation Counts Rankings
Rankings
33,807
476
4
Ranking Based On Selection: 4
Yoichi Aso
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
22,661
12,879
0.568
* Total Citation Counts Rankings
Rankings
65,440
1,066
5
Ranking Based On Selection: 5
Kouji Nakamura
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,951
11,290
0.809
General Relativity
Gravitation
Quantum Measurement Theory
* Total Citation Counts Rankings
Rankings
67,903
1,115
6
Ranking Based On Selection: 6
Moriyama Kotaro
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,564
13,539
0.998
Astrophysics
Black Holes
General Relativity
* Total Citation Counts Rankings
Rankings
68,848
1,129
7
Ranking Based On Selection: 7
Kazuhiro Sekiguchi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,414
2,055
0.153
* Total Citation Counts Rankings
Rankings
69,844
1,149
8
Ranking Based On Selection: 8
Matsuda Yuichi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
13,261
5,767
0.435
* Total Citation Counts Rankings
Rankings
74,680
1,253
9
Ranking Based On Selection: 9
Imanishi Masatoshi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,577
7,220
0.574
* Total Citation Counts Rankings
Rankings
101,755
1,838
10
Ranking Based On Selection: 10
Masumi Shimojo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,683
2,856
0.295
* Total Citation Counts Rankings
Rankings
104,617
1,898
11
Ranking Based On Selection: 11
Takashi Sakurai
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9,450
2,080
0.220
Solar Physics
Astrophysics
Magnetohydrodynamics
* Total Citation Counts Rankings
Rankings
112,847
2,070
12
Ranking Based On Selection: 12
Erik Muller
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,842
3,504
0.396
* Total Citation Counts Rankings
Rankings
114,188
2,096
13
Ranking Based On Selection: 13
Masatoshi Ohishi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,755
2,094
0.239
* Total Citation Counts Rankings
Rankings
121,231
2,244
14
Ranking Based On Selection: 14
Misato Fukagawa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,295
3,200
0.386
astronomy
exoplanets
planet formation
infrared/radio observations
* Total Citation Counts Rankings
Rankings
130,676
2,489
15
Ranking Based On Selection: 15
Takashi J Moriya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,751
5,787
0.747
* Total Citation Counts Rankings
Rankings
147,868
2,845
16
Ranking Based On Selection: 16
Kohji Tomisaka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,907
2,434
0.352
Theoretical Astronomy
Simulation Astrophysics
* Total Citation Counts Rankings
Rankings
157,099
3,052
17
Ranking Based On Selection: 17
Takiwaki Tomoya
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,515
4,417
0.678
* Total Citation Counts Rankings
Rankings
166,106
3,235
18
Ranking Based On Selection: 18
Masao Saito
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
6,170
2,726
0.442
* Total Citation Counts Rankings
Rankings
172,540
3,389
19
Ranking Based On Selection: 19
Masahiro Ikoma
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,939
3,567
0.601
* Total Citation Counts Rankings
Rankings
178,983
3,542
20
Ranking Based On Selection: 20
Maria Giovanna Dainotti
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,723
4,650
0.813
* Total Citation Counts Rankings
Rankings
190,136
3,783
21
Ranking Based On Selection: 21
Takashi Okada
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,379
1,169
0.217
* Total Citation Counts Rankings
Rankings
208,473
4,192
22
Ranking Based On Selection: 22
Hidetoshi Sano
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,894
3,747
0.766
radio astronomy
high-energy physics
cosmic rays
supernova remnant
high-mass star formation
* Total Citation Counts Rankings
Rankings
228,008
4,615
23
Ranking Based On Selection: 23
Takafumi Ootsubo
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,450
1,239
0.278
* Total Citation Counts Rankings
Rankings
233,133
4,708
24
Ranking Based On Selection: 24
Takuma Izumi
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,344
3,528
0.812
Supermassive Black Hole
Galaxy Evolution
Co-evolution
* Total Citation Counts Rankings
Rankings
272,961
5,522
25
Ranking Based On Selection: 25
Akimasa Kataoka
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,644
2,812
0.772