Citation Rankings
Highly Cited Researchers

Natural Sciences / Chemical Sciences Highly Cited Researchers 28 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
Takeshi Shiono
Polymer Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,596
2,006
0.159
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Japan
Nobuyoshi Koga
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,170
4,709
0.463
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Japan
Masahiro Sadakane
Metal oxide
Polyoxometalate
Catalysis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,021
3,236
0.323
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Japan
Takeharu Haino
Supramolecular chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,633
2,669
0.350
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Japan
Hiroto Yoshida
synthetic organic chemistry
organometallic chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,446
2,287
0.307
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Japan
Osamu Takahashi
physical chemistry
chemical physics
computational chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,476
1,262
0.230
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Japan
Yu Takano
computational chemistry
computational biophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,201
1,646
0.316
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Japan
Takeshi Hirokawa (廣川 健)
Analytical chemistry (分析化学)
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,720
583
0.124
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Japan
Andrey Leonov
skyrmionics
phase transitions
computational micromagnetism
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,062
2,425
0.597

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* Total Citation Counts Rankings
Ranking Based On Selection: 10
Japan
Nishihara Sadafumi
Solid State Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,462
1,438
0.415
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Japan
Nao Tsunoji
Catalysis
porous material
zeolite
layered material
CO2 capture
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,737
2,017
0.737
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Japan
Shinjiro Hayakawa
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,720
691
0.254
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Japan
Tanaka Ryo
Polymer Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,552
1,208
0.473
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Japan
Keiichi Imato
Polymer Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,456
1,552
0.632
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Japan
Ji Ha Lee
Chemistry
Supramolecule
Gel
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,402
1,082
0.450
* Total Citation Counts Rankings
Ranking Based On Selection: 16
Japan
Kimihiro Komeyama
Organic Chemistry
Organometallic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,215
768
0.347
* Total Citation Counts Rankings
Ranking Based On Selection: 17
Japan
Toru Saito
Quantum Chemistry
Computational Chemistry
Bioinorganic Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,986
579
0.292
* Total Citation Counts Rankings
Ranking Based On Selection: 18
Japan
Masaaki Nakamoto
Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,684
523
0.311
* Total Citation Counts Rankings
Ranking Based On Selection: 19
Japan
Ichiro Imae
Organic thermoelectric devices
Organic electrochromic devices (smart windows)
Conducting polymers
Reduced graphene-oxide
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,176
360
0.306
* Total Citation Counts Rankings
Ranking Based On Selection: 20
Japan
Yohei Adachi
Organic Material Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
644
484
0.752
* Total Citation Counts Rankings
Ranking Based On Selection: 21
Japan
Naoki Tarutani
nanostructured materials
sol-gel chemistry
solution technique
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
594
438
0.737
* Total Citation Counts Rankings
Ranking Based On Selection: 22
Japan
Mohamed İbrahim
Organic Chemistry
Polymer Chemistry
Environmental Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
532
496
0.932
* Total Citation Counts Rankings
Ranking Based On Selection: 23
Japan
Satoru Muramatsu
physical chemistry
cluster science
molecular spectroscopy
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
452
370
0.819
* Total Citation Counts Rankings
Ranking Based On Selection: 24
Japan
Muneyuki Matsuo
Origins of Life
Artificial Life
Supramolecular Chemistry
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
430
314
0.730
* Total Citation Counts Rankings
Ranking Based On Selection: 25
Japan
Rizka Zulhijah
Chemistry
Chemical Engineering
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
291
138
0.474
* Total Citation Counts Rankings
Rankings
76,411
Japan
1,296
18
Ranking Based On Selection: 1
Takeshi Shiono
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
12,596
2,006
0.159
* Total Citation Counts Rankings
Rankings
98,663
Japan
1,784
27
Ranking Based On Selection: 2
Nobuyoshi Koga
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,170
4,709
0.463
* Total Citation Counts Rankings
Rankings
100,322
Japan
1,820
28
Ranking Based On Selection: 3
Masahiro Sadakane
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
10,021
3,236
0.323
* Total Citation Counts Rankings
Rankings
136,181
Japan
2,617
46
Ranking Based On Selection: 4
Takeharu Haino
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,633
2,669
0.350
* Total Citation Counts Rankings
Rankings
139,846
Japan
2,698
49
Ranking Based On Selection: 5
Hiroto Yoshida
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
7,446
2,287
0.307
synthetic organic chemistry
organometallic chemistry
* Total Citation Counts Rankings
Rankings
191,215
Japan
3,803
66
Ranking Based On Selection: 6
Osamu Takahashi
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,476
1,262
0.230
physical chemistry
chemical physics
computational chemistry
* Total Citation Counts Rankings
Rankings
201,101
Japan
4,009
2
Ranking Based On Selection: 7
Yu Takano
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
5,201
1,646
0.316
computational chemistry
computational biophysics
* Total Citation Counts Rankings
Rankings
220,823
Japan
4,458
76
Ranking Based On Selection: 8
Takeshi Hirokawa (廣川 健)
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,720
583
0.124
* Total Citation Counts Rankings
Rankings
253,740
Japan
5,122
85
Ranking Based On Selection: 9
Andrey Leonov
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,062
2,425
0.597
skyrmionics
phase transitions
computational micromagnetism
* Total Citation Counts Rankings
Rankings
291,589
Japan
5,940
99
Ranking Based On Selection: 10
Nishihara Sadafumi
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,462
1,438
0.415

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
354,044
Japan
7,181
116
Ranking Based On Selection: 11
Nao Tsunoji
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,737
2,017
0.737
Catalysis
porous material
zeolite
layered material
CO2 capture
* Total Citation Counts Rankings
Rankings
355,852
Japan
7,219
117
Ranking Based On Selection: 12
Shinjiro Hayakawa
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,720
691
0.254
* Total Citation Counts Rankings
Rankings
374,088
Japan
7,594
128
Ranking Based On Selection: 13
Tanaka Ryo
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,552
1,208
0.473
* Total Citation Counts Rankings
Rankings
385,263
Japan
7,828
132
Ranking Based On Selection: 14
Keiichi Imato
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,456
1,552
0.632
* Total Citation Counts Rankings
Rankings
391,852
Japan
7,976
138
Ranking Based On Selection: 15
Ji Ha Lee
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,402
1,082
0.450
* Total Citation Counts Rankings
Rankings
416,057
Japan
8,499
148
Ranking Based On Selection: 16
Kimihiro Komeyama
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,215
768
0.347
* Total Citation Counts Rankings
Rankings
450,373
Japan
9,132
5
Ranking Based On Selection: 17
Toru Saito
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,986
579
0.292
Quantum Chemistry
Computational Chemistry
Bioinorganic Chemistry
* Total Citation Counts Rankings
Rankings
504,547
Japan
10,165
179
Ranking Based On Selection: 18
Masaaki Nakamoto
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,684
523
0.311
* Total Citation Counts Rankings
Rankings
628,920
Japan
12,426
210
Ranking Based On Selection: 19
Ichiro Imae
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,176
360
0.306
Organic thermoelectric devices
Organic electrochromic devices (smart windows)
Conducting polymers
Reduced graphene-oxide
* Total Citation Counts Rankings
Rankings
840,269
Japan
15,867
262
Ranking Based On Selection: 20
Yohei Adachi
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
644
484
0.752
* Total Citation Counts Rankings
Rankings
866,975
Japan
16,286
267
Ranking Based On Selection: 21
Naoki Tarutani
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
594
438
0.737
nanostructured materials
sol-gel chemistry
solution technique
* Total Citation Counts Rankings
Rankings
904,406
Japan
16,836
4
Ranking Based On Selection: 22
Mohamed İbrahim
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
532
496
0.932
Organic Chemistry
Polymer Chemistry
Environmental Chemistry
* Total Citation Counts Rankings
Rankings
970,920
Japan
17,835
286
Ranking Based On Selection: 23
Satoru Muramatsu
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
452
370
0.819
physical chemistry
cluster science
molecular spectroscopy
* Total Citation Counts Rankings
Rankings
991,509
Japan
18,124
292
Ranking Based On Selection: 24
Muneyuki Matsuo
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
430
314
0.730
Origins of Life
Artificial Life
Supramolecular Chemistry
* Total Citation Counts Rankings
Rankings
1,151,666
Japan
20,417
324
Ranking Based On Selection: 25
Rizka Zulhijah
Hiroshima University Higashihiroshima, Japan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
291
138
0.474
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