Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6413674 | Method of manufacturing highly-airtightened porous paper, highly-airtightened porous paper manufactured by the method, and non-aqueous battery using the paper | Taiji Mizobuchi | 2002-07-02 |