Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11239529 | Film production method | Yuji Takaoka, Atsushi Nakazawa, Hideyuki Sasaki | 2022-02-01 |
| 10707465 | Film manufacturing method, film manufacturing apparatus, and film | Atsuhiro Takata | 2020-07-07 |
| 10563299 | Heating roller and film production method | Koichiro Watanabe | 2020-02-18 |
| 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 |
| 10026939 | Battery separator producing method and battery separator producing apparatus | Rikuri UEJIMA | 2018-07-17 |
| 9859538 | Film production method and film production device | Rikuri UEJIMA | 2018-01-02 |