YK

Yasuhiro Katayama

KK Kanegafuchi Kagaku Kogyo: 1 patents #368 of 691Top 55%
Overall (All Time): #3,923,010 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4812406 Process for preparing optically active hydantoins Satomi Takahashi, Yukio Yamada, Yasuyoshi Ueda, Yoshio Shimada, Kiyoshi Watanabe 1989-03-14