Total 2,403,032 scientists, country 221, and institutions 24,466 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Satoshi Takamatsu](https://cdn.adscientificindex.com/pictures/b0/416590.jpg)
Natural Products
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
29
0.492
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Eiji Kose (小瀬英司)|小瀬英司](/user/assets/images/profile/no-profile-photo.png)
rehabilitation medicine
pharmacotherapy
clinical nutrition
geriatric medicine
polypharmacy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
17
0.810
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Yoshihisa Yamamoto](/user/assets/images/profile/no-profile-photo.png)
Pharmaceutics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
Satoshi Takamatsu
Teikyo Heisei University
Ichihara, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
29
0.492
Eiji Kose (小瀬英司)|小瀬英司
Teikyo University
Tokyo, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
17
0.810
rehabilitation medicine
pharmacotherapy
clinical nutrition
geriatric medicine
polypharmacy
Yoshihisa Yamamoto
Teikyo Heisei University
Ichihara, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500