Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9905815 | Insertion guide device for film armored battery | — | 2018-02-27 |
| 9722274 | Manufacturing method and manufacturing device of secondary battery | Nobuaki Akutsu, Masaaki Tsukano | 2017-08-01 |