Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5734628 | Watch dial plate structure | — | 1998-03-31 |
| 5592868 | Apparatus for cooking food materials | Yasuhiro Asai | 1997-01-14 |
| 5436016 | Method of cooking food materials | Yasuhiro Asai | 1995-07-25 |
| 5426621 | Luminous dial plate structure for watches | — | 1995-06-20 |
| 4935910 | Fitting structure for watch case and band | Makoto Kumagai | 1990-06-19 |