YH

Yojiro Hirota

HC Hokko Chemical Industry Co.: 1 patents #66 of 157Top 45%
UI Ube Industries: 1 patents #895 of 1,686Top 55%
Overall (All Time): #4,036,073 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4454131 Thiophene derivatives Koichi Shinhama, Katsumi Sato, Takuo Wada 1984-06-12