YO

Yasuo Ohtsuka

MK Meiji Seika Kaisha: 1 patents #20 of 80Top 25%
Overall (1997): #57,362 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5686442 Tricyclic benzazepine and benzothiazepine derivatives Takashi Shishikura, Hiroko Ogino, Kenichi Fushihara, Mami Kawaguchi, Seiji Tsutsumi +7 more 1997-11-11