H-Index
Rankings
Japan 7,918 Scientists H-Index Engineering & Technology Rankings - 2025
Measure your academic influence with the AD Scientific Index 2025 H-Index Rankings.
These rankings provide a comprehensive evaluation of scientific performance by combining total and recent 6-year h-index values, offering insight into both research productivity and long-term impact. The h-index balances quantity with quality, highlighting sustained academic excellence. Rankings are continuously updated in near real-time to reflect the latest scholarly activity across countries, institutions, and 211 academic fields. Premium Membership unlocks deeper analytics, dynamic ranking tools, and personalized trend visualizations.
* Total H Index Rankings
Ranking Based
On Selection: 1
Materials Scienc
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
224
192
0.857
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* Total H Index Rankings
Ranking Based
On Selection: 2
Tissue Engineering
Regenerative Medicine
Intelligent Polymer
Biomaterials
Drug Delivery System
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
177
69
0.390
* Total H Index Rankings
Ranking Based
On Selection: 3
Astroparticle Physics
Elementary Particle Physics
High Energy Physic
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
176
88
0.500
* Total H Index Rankings
Ranking Based
On Selection: 4
Biomaterials
Polymers
Drug Delivery
Nanotechnolog
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
169
81
0.479
* Total H Index Rankings
Ranking Based
On Selection: 5
Materials Scienc
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
159
99
0.623
* Total H Index Rankings
Ranking Based
On Selection: 6
Photocatalysis
Solar energy conversion
Photofunctional Materials
Nanomaterial
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
151
109
0.722
* Total H Index Rankings
Ranking Based
On Selection: 7
Pharmaceutical Development
Chemical Engineering
CFD
DEM Modelin
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
150
111
0.740
* Total H Index Rankings
Ranking Based
On Selection: 8
Materials Science
Physical Chemistr
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
150
69
0.460
* Total H Index Rankings
Ranking Based
On Selection: 9
Organic Electronics
OLED
Organic Semiconductors
Optoelectronic
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
141
100
0.709
* Total H Index Rankings
Ranking Based
On Selection: 10
Nanomaterials
Surface Science
Supramolecular Chemistry
Molecular Recognition
Self-assembl
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
133
76
0.571
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Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis
* Total H Index Rankings
Ranking Based
On Selection: 11
Materials Science
Materials Science and Engineering
Magnetic Materials
Physical Metallurgy
Atom Probe Tomograph
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
131
74
0.565
* Total H Index Rankings
Ranking Based
On Selection: 12
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
128
89
0.695
* Total H Index Rankings
Ranking Based
On Selection: 13
Biomedical Signal Processing
Neural Engineering
Tensor Decomposition
Analog_Electronics
BC
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
125
73
0.584
* Total H Index Rankings
Ranking Based
On Selection: 14
Carbon Science
Applications of novel carbon materials
nanostructured carbons
Nanocarbon
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
119
57
0.479
* Total H Index Rankings
Ranking Based
On Selection: 15
Materials Scienc
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
118
65
0.551
* Total H Index Rankings
Ranking Based
On Selection: 16
Layered compounds
2D materials
nanosheet
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
115
64
0.557
* Total H Index Rankings
Ranking Based
On Selection: 17
Semiconductor devices
Opto electronics
Power devices
High frequency devices
photocathod
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
111
48
0.432
* Total H Index Rankings
Ranking Based
On Selection: 18
Tissue Engineering
Regenerative Medicine
Stem Cell Biolog
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
110
52
0.473
* Total H Index Rankings
Ranking Based
On Selection: 19
Electrical Engineerin
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
109
56
0.514
* Total H Index Rankings
Ranking Based
On Selection: 20
machine learning
statistics
computer scienc
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
106
73
0.689
* Total H Index Rankings
Ranking Based
On Selection: 21
Geochemistry
Atmospheric Chemistry
Aerosol Chemistry
Geoscienc
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
104
59
0.567
* Total H Index Rankings
Ranking Based
On Selection: 22
Climate Dynamics
Physical Oceanography
Dynamic Meteorology
Geophysical Fluid Dynamic
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
103
60
0.583
* Total H Index Rankings
Ranking Based
On Selection: 23
oxidative stress
ferroptosis
cancer prevention
nanomaterials
plasma medicin
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
103
54
0.524
* Total H Index Rankings
Ranking Based
On Selection: 24
Materials Scienc
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
102
65
0.637
* Total H Index Rankings
Ranking Based
On Selection: 25
Bioinformatic
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
101
52
0.515
Kenji Watanabe
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
224
192
0.857
Teruo Okano
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
177
69
0.390
Tissue Engineering
Regenerative Medicine
Intelligent Polymer
Biomaterials
Drug Delivery System
Hirokazu Ishino
Okayama University
Okayama, Japan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
176
88
0.500
Astroparticle Physics
Elementary Particle Physics
High Energy Physic
Kazunori Kataoka
University of Tokyo
Tokyo, Japan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
169
81
0.479
Biomaterials
Polymers
Drug Delivery
Nanotechnolog
Hideo Hosono
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
159
99
0.623
Jinhua Ye
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
151
109
0.722
Photocatalysis
Solar energy conversion
Photofunctional Materials
Nanomaterial
Wei Chen
Kyoto University
Kyoto, Japan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
150
111
0.740
Pharmaceutical Development
Chemical Engineering
CFD
DEM Modelin
Kazuhito Hashimoto
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
150
69
0.460
Materials Science
Physical Chemistr
Chihaya Adachi
Kyushu University
Fukuoka, Japan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
141
100
0.709
Organic Electronics
OLED
Organic Semiconductors
Optoelectronic
Katsuhiko Ariga
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
133
76
0.571
Nanomaterials
Surface Science
Supramolecular Chemistry
Molecular Recognition
Self-assembl
Is Your University Ready for the Future?
Compare your institution’s global, national, and city-level ranking with its 20 closest competitors and set strategic goals.
Gain insights from detailed performance analyses of scientists across 13 major disciplines, identify your strengths, improve weaknesses, and gain a competitive edge.. Check Your Free Sample Performance Analysis
Kazuhiro Hono
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
131
74
0.565
Materials Science
Materials Science and Engineering
Magnetic Materials
Physical Metallurgy
Atom Probe Tomograph
Hideya Iwasaki
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
128
89
0.695
Andrzej Cichocki
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
125
73
0.584
Biomedical Signal Processing
Neural Engineering
Tensor Decomposition
Analog_Electronics
BC
Morinobu Endo
Shinshu University
Matsumoto, Japan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
119
57
0.479
Carbon Science
Applications of novel carbon materials
nanostructured carbons
Nanocarbon
Zenji Horita
Kyushu University
Fukuoka, Japan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
118
65
0.551
Takayoshi Sasaki
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
115
64
0.557
Layered compounds
2D materials
nanosheet
Hiroshi Amano 天野 浩
Nagoya University
Nagoya, Japan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
111
48
0.432
Semiconductor devices
Opto electronics
Power devices
High frequency devices
photocathod
Masayuki Yamato
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
110
52
0.473
Tissue Engineering
Regenerative Medicine
Stem Cell Biolog
Hirofumi Akagi
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
109
56
0.514
Vapnik
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
106
73
0.689
machine learning
statistics
computer scienc
Kimitaka Kawamura
Chubu University
Kasugai, Japan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
104
59
0.567
Geochemistry
Atmospheric Chemistry
Aerosol Chemistry
Geoscienc
Toshio Yamagata; 山形俊男
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
103
60
0.583
Climate Dynamics
Physical Oceanography
Dynamic Meteorology
Geophysical Fluid Dynamic
Shinya Toyokuni
Nagoya University
Nagoya, Japan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
103
54
0.524
oxidative stress
ferroptosis
cancer prevention
nanomaterials
plasma medicin
Hiromi Yamashita
Osaka University
Suita, Japan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
102
65
0.637
Minoru Kanehisa
Kyoto University
Kyoto, Japan
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
101
52
0.515