Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632559 | Safety device for sealed battery and sealed battery using it | Hiroaki Kawamura, Hiroaki Okamoto | 2003-10-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632559 | Safety device for sealed battery and sealed battery using it | Hiroaki Kawamura, Hiroaki Okamoto | 2003-10-14 |