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
134,881
Country Rank
3,286
Institution Rank : 20
![](https://cdn.adscientificindex.com/logos/4528.png)
![Japan](/flags/jp.png)
![Toshifumi Tsukahara](/user/assets/images/profile/no-profile-photo.png)
Molecular Biology
RNA Research
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
31
0.352
* Total i10 Index Rankings
World Rank
1,697,120
Country Rank
30,048
Institution Rank : 178
![](https://cdn.adscientificindex.com/logos/4528.png)
![Japan](/flags/jp.png)
![Ruchika](/pictures/b8/4865678.jpg)
Molecular Biology
RNA editing
Genomic chemistry and Bioengineering
Plant science and genomics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
134,881
![Japan](/flags/jp.png)
3,286
![](https://cdn.adscientificindex.com/logos/4528.png)
20
Toshifumi Tsukahara
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
31
0.352
![](https://cdn.adscientificindex.com/logos/4528.png)
Molecular Biology
RNA Research
* Total i10 Index Rankings
Rankings
![](/assets/images/world-icon.png)
1,697,120
![Japan](/flags/jp.png)
30,048
![](https://cdn.adscientificindex.com/logos/4528.png)
178
Ruchika
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
![](https://cdn.adscientificindex.com/logos/4528.png)
Molecular Biology
RNA editing
Genomic chemistry and Bioengineering
Plant science and genomics