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
927,690
Country Rank
17,909
Institution Rank : 94
![](https://cdn.adscientificindex.com/logos/3091.jpg)
![Japan](/flags/jp.png)
![Hirokazu Ishitobi](/pictures/d6/4478113.jpg)
Chemical Engineering
Energy
Fuel Cells
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
* Total i10 Index Rankings
World Rank
940,046
Country Rank
18,136
Institution Rank : 95
![](https://cdn.adscientificindex.com/logos/3091.jpg)
![Japan](/flags/jp.png)
![Azuchi Harano](/pictures/75/304196.jpg)
Chemical Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
1
0.100
* Total i10 Index Rankings
World Ranking
927,690
Country Ranking
17,909
Institution Ranking
94
Hirokazu Ishitobi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
![](https://cdn.adscientificindex.com/logos/3091.jpg)
Chemical Engineering
Energy
Fuel Cells
* Total i10 Index Rankings
World Ranking
940,046
Country Ranking
18,136
Institution Ranking
95
Azuchi Harano
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
1
0.100