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. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Plant hormones
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
166
92
0.554
* Total i10 IndexRankings
Ranking Based On Selection :2
photosynthesis
plant physiology
biochemistry
biophysics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
58
0.892
* Total i10 IndexRankings
Ranking Based On Selection :3
Biocatalysis
Biochemistry
Sensing Technology
Intelligent System
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
Ken Ichiro Hayashi
Okayama University of Science
Okayama, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
166
92
0.554
Ryo Nagao
Okayama University
Okayama, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
58
0.892
photosynthesis
plant physiology
biochemistry
biophysics
Afifa Ayu Koesoema
Okayama University
Okayama, Japan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
Biocatalysis
Biochemistry
Sensing Technology
Intelligent System