Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403666 | Polyolefin base porous film | Nobuhiko Nakayama | 2002-06-11 |
| 4774275 | Polypropylene composition | Shigeo Hisano, Yoji Tamano | 1988-09-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403666 | Polyolefin base porous film | Nobuhiko Nakayama | 2002-06-11 |
| 4774275 | Polypropylene composition | Shigeo Hisano, Yoji Tamano | 1988-09-27 |