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
171,020
Country Rank
4,129
Institution Rank : 1
![](https://cdn.adscientificindex.com/logos/27388.png)
![Japan](/flags/jp.png)
![Hiroyuki Watanabe/渡辺 博行](/user/assets/images/profile/no-profile-photo.png)
superplasticity
magnesium
magnesium alloys
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
40
0.541
* Total i10 Index Rankings
World Rank
277,928
Country Rank
6,488
Institution Rank : 2
![](https://cdn.adscientificindex.com/logos/27388.png)
![Japan](/flags/jp.png)
![Seiji Watase](/user/assets/images/profile/no-profile-photo.png)
ハイブリッド材料、金属錯体、ケイ素系高分子、超分子、発光、電子材料
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
22
0.440
* Total i10 Index Rankings
World Rank
372,628
Country Rank
8,496
Institution Rank : 3
![](https://cdn.adscientificindex.com/logos/27388.png)
![Japan](/flags/jp.png)
![Toshiyuki Tamai](/user/assets/images/profile/no-profile-photo.png)
material
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
7
0.184
* Total i10 Index Rankings
World Rank
436,920
Country Rank
9,731
Institution Rank : 4
![](https://cdn.adscientificindex.com/logos/27388.png)
![Japan](/flags/jp.png)
![Yukiyasu Kashiwagi](/user/assets/images/profile/no-profile-photo.png)
Nanomaterials
Crystal Structure
Printed Electronics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
17
0.531
* Total i10 Index Rankings
World Rank
788,003
Country Rank
15,731
Institution Rank : 5
![](https://cdn.adscientificindex.com/logos/27388.png)
![Japan](/flags/jp.png)
![Satoru Dohshi](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
10
0.714
* Total i10 Index Rankings
World Rank
869,851
Country Rank
17,048
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/27388.png)
![Japan](/flags/jp.png)
![Mitsuhiro Hirano](/user/assets/images/profile/no-profile-photo.png)
Antibacterial material
Metallic biomaterial
Surface modification
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total i10 Index Rankings
World Rank
912,689
Country Rank
17,698
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/27388.png)
![Japan](/flags/jp.png)
![Keigo Tanaka](https://cdn.adscientificindex.com/pictures/25/5008208.jpg)
arc welding
laser welding
laser metal deposition
metal vapor
spectroscopy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
171,020
![Japan](/flags/jp.png)
4,129
![](https://cdn.adscientificindex.com/logos/27388.png)
1
Hiroyuki Watanabe/渡辺 博行
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
74
40
0.541
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
277,928
![Japan](/flags/jp.png)
6,488
![](https://cdn.adscientificindex.com/logos/27388.png)
2
Seiji Watase
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
22
0.440
![](https://cdn.adscientificindex.com/logos/27388.png)
ハイブリッド材料、金属錯体、ケイ素系高分子、超分子、発光、電子材料
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
372,628
![Japan](/flags/jp.png)
8,496
![](https://cdn.adscientificindex.com/logos/27388.png)
3
Toshiyuki Tamai
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
38
7
0.184
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
436,920
![Japan](/flags/jp.png)
9,731
![](https://cdn.adscientificindex.com/logos/27388.png)
4
Yukiyasu Kashiwagi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
17
0.531
![](https://cdn.adscientificindex.com/logos/27388.png)
Nanomaterials
Crystal Structure
Printed Electronics
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
788,003
![Japan](/flags/jp.png)
15,731
![](https://cdn.adscientificindex.com/logos/27388.png)
5
Satoru Dohshi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
10
0.714
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
869,851
![Japan](/flags/jp.png)
17,048
![](https://cdn.adscientificindex.com/logos/27388.png)
6
Mitsuhiro Hirano
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
![](https://cdn.adscientificindex.com/logos/27388.png)
Antibacterial material
Metallic biomaterial
Surface modification
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
912,689
![Japan](/flags/jp.png)
17,698
![](https://cdn.adscientificindex.com/logos/27388.png)
7
Keigo Tanaka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
10
1.000
![](https://cdn.adscientificindex.com/logos/27388.png)
arc welding
laser welding
laser metal deposition
metal vapor
spectroscopy