Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9614200 | Hermetically sealed battery | Kazuyuki Kusama, Tomohiro Matsuura, Takashi Harayama, Yasushi Hirakawa, Ichiro Murata | 2017-04-04 |
| 9466824 | Sealed battery | Yasushi Hirakawa | 2016-10-11 |
| 9368785 | Sealed battery manufacturing method, sealing member for sealed battery, and sealed battery | Yasushi Hirakawa | 2016-06-14 |