RN

Ryoichi Nakai

AC Asahi Kasei Kogyo Co.: 2 patents #303 of 1,395Top 25%
📍 Kurashiki, JP: #379 of 838 inventorsTop 50%
Overall (All Time): #2,297,402 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5354810 Acetal resin composition Kosuke Nagasaki 1994-10-11
4885340 High impact polyamide composition Tetsuo Hamada, Junichi Nakahashi 1989-12-05