Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5073316 | Process for producing a porous film | Kunio Bizen, Tasuku Suzuki, Ryuichi Hasegawa, Koji Hayashi | 1991-12-17 |
| 5015521 | Porous film | Toshio Fujii, Kazuhiro Kato, Tasuku Suzuki | 1991-05-14 |