Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472445 | Polypropylene base porous film and production process for the same | Yoshinori Takahashi | 2002-10-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472445 | Polypropylene base porous film and production process for the same | Yoshinori Takahashi | 2002-10-29 |