IW

Isamu Wataya

AC Asahi Kasei Kogyo Co.: 1 patents #45 of 172Top 30%
Overall (1982): #78,310 of 81,411Top 100%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4337141 Cation exchange membrane Itaru Watanabe, Sakae Tsushima 1982-06-29