TI

Tetsuo Iwama

EC Eisai Chemical Co.: 2 patents #13 of 16Top 85%
📍 Tokyo, NJ: #7 of 20 inventorsTop 35%
Overall (1997): #22,307 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5686635 Tetrahydro-alkenyl-methanonaphthalene-5,8-dione derivatives Kimio Hamamura, Chiaki Seki, Masayuki Konishi 1997-11-11
5677471 Process for the preparation of quinone derivative Kimio Hamamura, Chiaki Seki, Masayuki Konishi 1997-10-14