Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10044017 | Aromatic polyamide porous film, separator for battery, and battery | Atsushi Sawamoto, Akimitsu Tsukuda | 2018-08-07 |
| 8815384 | Aromatic polyamide porous film and separator for capacitor or battery using the same | Atsushi Sawamoto, Akimitsu Tsukuda | 2014-08-26 |