YI

Yasutaka Ishii

DI Daicel Chemical Industries: 50 patents #3 of 893Top 1%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
DA Daicel: 1 patents #265 of 523Top 55%
DI Diacel Chemical Industries: 1 patents #3 of 14Top 25%
Overall (All Time): #47,762 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 51–54 of 54 patents

Patent #TitleCo-InventorsDate
5981420 Oxidation catalytic system and oxidation process Tatsuya Nakano 1999-11-09
5958821 Oxidation catalytic system and oxidation process using the same Tatsuya Nakano 1999-09-28
5956657 Method for producing nitro compounds Tatsuya Nakano, Satoshi Sakaguchi 1999-09-21
4891460 Process for producing alkylidenenorbornenes 1990-01-02