Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4533257 | Analog electric timepiece | Masahito Yoshino | 1985-08-06 |
| 4491424 | Electronic analog timepiece with rotation detection circuit | Jiro Ito, Kenji Sakamoto | 1985-01-01 |
| 4436436 | Detection circuit for an electronic timepiece | — | 1984-03-13 |
| 4435089 | Power circuit for an electronic timepiece | Hiroyuki Chihara | 1984-03-06 |