Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047998 | Timepiece with mobile decorations | Junichi Aizawa, Tomohiro Wada | 1991-09-10 |
| 4995022 | Power supply device for hand with luminescence element | Hidetsugu Ikeda, Satoru Yamauchi, Isato Watanabe, Kouichi Miyagi | 1991-02-19 |
| 4968971 | Method of spot welding parts of an electromagnetic bell unit | Junichi Aizawa, Satoru Yamauchi, Natsuki Hashiba, Tomohiro Wada | 1990-11-06 |
| 4912453 | Electromagnetic bell unit, its fitting structure and a method of welding the bell and the yoke of the unit | Junichi Aizawa, Satoru Yamauchi, Natsuki Hashiba, Tomohiro Wada | 1990-03-27 |
| D304163 | Electromagnetic bell | Junichi Aizawa, Satoru Yamauchi, Isao Kondo | 1989-10-24 |