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
249,988
Country Rank
5,921
Institution Rank : 15
![](https://cdn.adscientificindex.com/logos/11013.jpg)
![Japan](/flags/jp.png)
![Motoharu Fujigaki](/user/assets/images/profile/no-profile-photo.png)
3D shape measurement
Optics
Image
Mechanical Engineering
Experimental Mechanics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
11
0.200
* Total i10 Index Rankings
World Rank
543,252
Country Rank
11,721
Institution Rank : 30
![](https://cdn.adscientificindex.com/logos/11013.jpg)
![Japan](/flags/jp.png)
![Toshiyuki Meshii](https://cdn.adscientificindex.com/pictures/cb/523092.jpg)
engineering
mechanics
fracture
fracture toughness
size effect
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
7
0.280
* Total i10 Index Rankings
World Rank
848,728
Country Rank
16,718
Institution Rank : 43
![](https://cdn.adscientificindex.com/logos/11013.jpg)
![Japan](/flags/jp.png)
![Masahiro Ishigaki](/user/assets/images/profile/no-profile-photo.png)
thermal-hydraulics
CFD
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
10
0.833
* Total i10 Index Rankings
World Rank
1,894,947
Country Rank
32,695
Institution Rank : 64
![](https://cdn.adscientificindex.com/logos/11013.jpg)
![Japan](/flags/jp.png)
![Xiaoyong Ruan](https://cdn.adscientificindex.com/pictures/28/5095523.jpg)
Mechanical Engineering
Fracture Mechanics
Finite Element Analysis
Molecular Dynamics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
249,988
![Japan](/flags/jp.png)
5,921
![](https://cdn.adscientificindex.com/logos/11013.jpg)
15
Motoharu Fujigaki
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
55
11
0.200
![](https://cdn.adscientificindex.com/logos/11013.jpg)
3D shape measurement
Optics
Image
Mechanical Engineering
Experimental Mechanics
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
543,252
![Japan](/flags/jp.png)
11,721
![](https://cdn.adscientificindex.com/logos/11013.jpg)
30
Toshiyuki Meshii
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
7
0.280
![](https://cdn.adscientificindex.com/logos/11013.jpg)
engineering
mechanics
fracture
fracture toughness
size effect
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
848,728
![Japan](/flags/jp.png)
16,718
![](https://cdn.adscientificindex.com/logos/11013.jpg)
43
Masahiro Ishigaki
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
10
0.833
![](https://cdn.adscientificindex.com/logos/11013.jpg)
thermal-hydraulics
CFD
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,894,947
![Japan](/flags/jp.png)
32,695
![](https://cdn.adscientificindex.com/logos/11013.jpg)
64
Xiaoyong Ruan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
![](https://cdn.adscientificindex.com/logos/11013.jpg)
Mechanical Engineering
Fracture Mechanics
Finite Element Analysis
Molecular Dynamics