Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5180750 | Anion exchanger | Yoshio Sugaya, Ichiro Terada, Kiyonari Sanekata | 1993-01-19 |
| 4909810 | Vapor permselective membrane | Makoto Nakao, Yoshio Sugaya, Hiroshi Mori, Hirokazu Wakabayashi | 1990-03-20 |
| 4604170 | Multi-layered diaphragm for electrolysis | Haruhisa Miyake, Manabu Suhara, Yoshio Sugaya | 1986-08-05 |