Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10689217 | Film roll, method of producing the same, and method of testing the same | Mariko Kunai, Daizaburo Yashiki | 2020-06-23 |
| 10677587 | Method for measuring curl in separator, slit device, and curl measurement device | Daijiro Hoshida, Takahiro OKUGAWA | 2020-06-09 |