Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Energy
Energy Systems
Energy Management
Cogeneration
Optimization
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
132
64
0.485
* Total i10 IndexRankings
Ranking Based On Selection :2
Energy
Energy Saving
Mechanical Engineering
System Engineering
Control Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
31
0.705
* Total i10 IndexRankings
Ranking Based On Selection :3
Renewable Energy
Storage Batteries
Optimization
Stochastic
Reinforcement Learning
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
6
0.600
Ryohei Yokoyama
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
132
64
0.485
Energy
Energy Systems
Energy Management
Cogeneration
Optimization
Tetsuya Wakui
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
31
0.705
Energy
Energy Saving
Mechanical Engineering
System Engineering
Control Engineering
Satoshi Takayama
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
6
0.600
Renewable Energy
Storage Batteries
Optimization
Stochastic
Reinforcement Learning