Total 2,424,675 scientists, country 221, and institutions 24,468 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
![Madoka Nakajima](https://cdn.adscientificindex.com/pictures/15/4304148.jpg)
idiopathic Normal Pressure Hydrocephalus
Epilepsy
Parkinson's disease
Alzheimer's disease
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
55
0.591
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Takumi Mitsuhashi](https://cdn.adscientificindex.com/pictures/7e/4602301.jpg)
Clinical neurophysiology
Neuroimaging
Functional mapping
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Takeshi Hara](https://cdn.adscientificindex.com/pictures/cf/5789908.jpg)
Neurosurgery
Spinal surgery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Madoka Nakajima
Juntendo University
Tokyo, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
55
0.591
idiopathic Normal Pressure Hydrocephalus
Epilepsy
Parkinson's disease
Alzheimer's disease
Takumi Mitsuhashi
Juntendo University
Tokyo, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
15
1.000
Clinical neurophysiology
Neuroimaging
Functional mapping
Takeshi Hara
Juntendo University
Tokyo, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Neurosurgery
Spinal surgery