Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10026939 | Battery separator producing method and battery separator producing apparatus | Akihiko SHIN | 2018-07-17 |
| 9859538 | Film production method and film production device | Akihiko SHIN | 2018-01-02 |