Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10658639 | Method of preparing microporous membrane, microporous membrane, battery separator, and secondary battery | Mayumi Yoshida | 2020-05-19 |
| 10658640 | Polyolefin microporous membrane, production method thereof, separator for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery | Masami Sugata | 2020-05-19 |