Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5085754 | Cation exchange membrane having high durability with diffusion coating on marginal areas of the membrane | Hisashi Wakamatsu | 1992-02-04 |
| 4339549 | Process for fusion bonding of fluorocarbon type polymers which comprises counter-ion substitution prior to fusion bonding | Sakae Tsushima | 1982-07-13 |
| 4246353 | Melt processing of fluorinated polymers | Hirotsugu Miyauchi, Sakae Tsushima | 1981-01-20 |