KY

Katsuichi Yasunaga

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
📍 Suita, JP: #751 of 1,253 inventorsTop 60%
Overall (All Time): #3,722,742 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5659051 Process of producing 2-cyano-4-oxo-4H-benzopyran compounds Takayuki Higashii, Hideki Ushio, Yukari Fujimoto, Tsutomu Matsumoto, Masayoshi Minai +2 more 1997-08-19