Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4568879 | Marking apparatus | Isao Nishigaya | 1986-02-04 |
| 4330878 | Sound producing device for watches | — | 1982-05-18 |
| 4199699 | Motor and drive for a timepiece | Kazunari Kume, Minoru Watanabe, Hideshi Ohno, Munetaka Tamaru, Takayasu Machida +1 more | 1980-04-22 |