Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6177181 | Porous films, process for producing the same, and laminate films and recording sheets made with the use of the porous films | Shuji Nakatsuka, Kiyoharu Mizumoto | 2001-01-23 |