Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763915 | Mainspring mechanism and device having the same | Shoichi Nagao, Taro Matsunaga | 2004-07-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763915 | Mainspring mechanism and device having the same | Shoichi Nagao, Taro Matsunaga | 2004-07-20 |