Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10461296 | Battery separator film, nonaqueous electrolyte secondary battery separator, and nonaqueous electrolyte secondary battery | — | 2019-10-29 |
| 10431795 | Film production method | Rikuri UEJIMA | 2019-10-01 |
| 10263232 | Nonaqueous electrolyte secondary battery separator heating device and nonaqueous electrolyte secondary battery separator production method | Koichiro Watanabe | 2019-04-16 |