KY

Koichi Yoshida

AC Asahi Kasei Kogyo Co.: 1 patents #45 of 172Top 30%
Overall (1982): #47,561 of 81,411Top 60%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4332644 Process for separating trioxane Katsuhiko Hamanaka, Toshiyuki Iwaisako, Junzo Masamoto 1982-06-01