Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513045 | Method for producing slit separator and method for producing separator roll | Satoshi Oohira, Tatsuya Kataoka, Masaya Kondo | 2019-12-24 |
| 10307925 | Method for producing separator and method for slitting separator original sheet | Koichiro Watanabe, Tatsuya Kataoka | 2019-06-04 |