Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472328 | Process for producing porous film or sheet | Masaaki Sugimoto, Yukio Watanabe, Kunio Bizen, Masahiro Morita | 1984-09-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4472328 | Process for producing porous film or sheet | Masaaki Sugimoto, Yukio Watanabe, Kunio Bizen, Masahiro Morita | 1984-09-18 |