Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6863435 | Spring, mainspring, hairspring, and driving mechanism and timepiece based thereon | Masatoshi Moteki, Fumio Takagi | 2005-03-08 |
| 6843594 | Spring, power spring, hair spring, driving mechanism utilizing them, and timepiece | Masatoshi Moteki, Fumio Takagi | 2005-01-18 |