Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10665838 | Method for manufacturing separator web, method for manufacturing separator, separator web, and apparatus for manufacturing separator web | Tatsuya Kataoka, Koji Kashu | 2020-05-26 |
| 10563299 | Heating roller and film production method | Akihiko SHIN | 2020-02-18 |
| 10566613 | Negative electrode material for lithium-ion secondary battery, negative electrode for lithium-ion secondary battery, lithium-ion secondary battery, and method of producing negative electrode material for lithium-ion secondary battery | — | 2020-02-18 |