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. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
* Total i10 Index Rankings
World Rank
483,497
Country Rank
10,604
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/16476.png)
![Japan](/flags/jp.png)
![Masamichi Ohba](https://cdn.adscientificindex.com/pictures/0f/4375955.jpg)
Climate Dynamics
Air-sea Interaction
ENSO
Energy meteorology
Climate model
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
25
0.893
* Total i10 Index Rankings
World Rank
738,621
Country Rank
14,965
Institution Rank : 27
![](https://cdn.adscientificindex.com/logos/16476.png)
![Japan](/flags/jp.png)
![Yasuo Hattori (Yas)](https://cdn.adscientificindex.com/pictures/59/4403266.jpg)
Meteorology
Fluid dynamics
Heat transfer
Turbulence
Natural convection
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
7
0.438
* Total i10 Index Rankings
World Rank
1,342,782
Country Rank
24,780
Institution Rank : 45
![](https://cdn.adscientificindex.com/logos/16476.png)
![Japan](/flags/jp.png)
![Kota Fujiwara](/pictures/98/4768768.jpg)
Multiphase flow
Meteorology
Severe accident
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
483,497
![Japan](/flags/jp.png)
10,604
![](https://cdn.adscientificindex.com/logos/16476.png)
15
Masamichi Ohba
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
25
0.893
![](https://cdn.adscientificindex.com/logos/16476.png)
Climate Dynamics
Air-sea Interaction
ENSO
Energy meteorology
Climate model
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
738,621
![Japan](/flags/jp.png)
14,965
![](https://cdn.adscientificindex.com/logos/16476.png)
27
Yasuo Hattori (Yas)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
7
0.438
![](https://cdn.adscientificindex.com/logos/16476.png)
Meteorology
Fluid dynamics
Heat transfer
Turbulence
Natural convection
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,342,782
![Japan](/flags/jp.png)
24,780
![](https://cdn.adscientificindex.com/logos/16476.png)
45
Kota Fujiwara
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
![](https://cdn.adscientificindex.com/logos/16476.png)
Multiphase flow
Meteorology
Severe accident