Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10947742 | Recyclable synthetic resin tile and method of manufacturing the same | Eitoku Yasuda | 2021-03-16 |
| 4785982 | Watch case and band attachment structure | Michihiro Iwamura, Eiichi Kitabayashi, Toshio Murata, Tadao Enomoto, Junichi Nishikawa | 1988-11-22 |
| 4487513 | Watch case structure | — | 1984-12-11 |
| 4479724 | Water-resisting structure for a watch | Toshio Murata | 1984-10-30 |
| 4456388 | Watch case structure | — | 1984-06-26 |
| 4430532 | Electronic watch multi-curcuit pushbutton switch | — | 1984-02-07 |
| 4397568 | Timepiece push-button structure | Masahiko Waki, Hisao Yamagata, Toshio Murata, Fumio Takeuchi | 1983-08-09 |
| 4391534 | Glass mounting structure for watches | Osamu Matsumura | 1983-07-05 |
| 4368369 | Electrical switch | Kouichi Nakajima | 1983-01-11 |
| 4234947 | Solar battery powered timepiece | — | 1980-11-18 |