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
![Takashi Maekawa](https://cdn.adscientificindex.com/pictures/ea/415645.jpg)
geometric modeling
cad/cam
differential geometry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
34
0.479
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Takashi Nishimura](/user/assets/images/profile/no-profile-photo.png)
Mathematics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
5
0.217
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Atsufumi Honda](/user/assets/images/profile/no-profile-photo.png)
Differential Geometry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
9
0.692
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Ko Yamamoto](https://cdn.adscientificindex.com/pictures/e0/334411.jpg)
Math education
Graph theory
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
1
0.167
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Maki Nagura](/user/assets/images/profile/no-profile-photo.png)
mathematics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Takashi Maekawa
Yokohama National University
Yokohama, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
71
34
0.479
geometric modeling
cad/cam
differential geometry
Takashi Nishimura
Yokohama National University
Yokohama, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
5
0.217
Atsufumi Honda
Yokohama National University
Yokohama, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
9
0.692
Ko Yamamoto
Yokohama National University
Yokohama, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
1
0.167
Maki Nagura
Yokohama National University
Yokohama, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0