Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10800060 | Slitting apparatus and method for producing separator roll | Tatsuya Kataoka | 2020-10-13 |
| 10661462 | Method for producing separator roll and device for producing separator roll | Tatsuya Kataoka | 2020-05-26 |
| 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 |
| 10105861 | Slitting apparatus and method for producing separator roll | Tatsuya Kataoka | 2018-10-23 |
| 10035278 | Device and method for producing separator roll | Tatsuya Kataoka | 2018-07-31 |
| 9931756 | Method for producing separator and method for slitting | Koichiro Watanabe, Tatsuya Kataoka | 2018-04-03 |
| 9687990 | Method for producing slit separator, method for producing separator roll, and method for slitting separator | Satoshi Oohira, Tatsuya Kataoka, Masaya Kondo | 2017-06-27 |