Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485172 | Self-winding watch | Masaaki Takahashi | 2002-11-26 |
| 6431746 | Mechanical timepiece with timed annular balance rotating angle control mechanism | Koichiro Jujo | 2002-08-13 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6485172 | Self-winding watch | Masaaki Takahashi | 2002-11-26 |
| 6431746 | Mechanical timepiece with timed annular balance rotating angle control mechanism | Koichiro Jujo | 2002-08-13 |