Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D318025 | Clock movement with battery case | — | 1991-07-09 |
| D318026 | Clock movement with battery case | — | 1991-07-09 |
| D318027 | Clock movement | — | 1991-07-09 |
| D313196 | Hub for supporting a timepiece hand | Keiichi Yoshizawa | 1990-12-25 |
| D312592 | Hub for supporting a timepiece hand | Keiichi Yoshizawa | 1990-12-04 |
| D303226 | Clock movement | — | 1989-09-05 |