Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820205 | Electric power unit with a battery and a memory for recording the date of first use of the battery | Shigefumi Odaohhara | 2004-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6820205 | Electric power unit with a battery and a memory for recording the date of first use of the battery | Shigefumi Odaohhara | 2004-11-16 |