Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4493560 | Acoustic alarm device for watches | Satoru Fukutome, Hideo Hatanaka | 1985-01-15 |
| 4482257 | Acoustic alarm device for watches | Satoru Fukutome, Hideo Hatanaka | 1984-11-13 |
| 4435796 | Electrical connection construction for electronic timepiece | Hideo Hatanaka | 1984-03-06 |
| 4428683 | Electrical connection construction for electronic timepiece | Hideo Hatanaka | 1984-01-31 |
| 4417113 | Structure of push-button device | Satoru Fukutome | 1983-11-22 |
| 4403315 | Electronic timepiece assembly | Hideo Hatanaka | 1983-09-06 |
| 4351041 | Acoustic alarm device for watches | Satoru Fukutome, Hideo Hatanaka | 1982-09-21 |
| 4298973 | Structure for coupling back cover with case band in wrist watch | — | 1981-11-03 |
| 4259551 | External operation device for electronic timepieces | Akinobu Ohtani, Hideo Hatanaka | 1981-03-31 |
| 4218601 | Pushbutton | — | 1980-08-19 |