Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472097 | Rechargeable battery using pressure-crush type protective device and portable electronic device using the rechargeable battery | Yoshiaki Ohbayashi, Keiji Mine, Seisaku Hirai | 2002-10-29 |