Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780841 | Method and apparatus for stabilizing measured values for display | Yasuo Kamiyama | 1988-10-25 |
| 4451743 | DC-to-DC Voltage converter | Fuminori Suzuki | 1984-05-29 |
| 4282594 | Electronic timepiece | — | 1981-08-04 |
| 4272838 | Electronic watch module structure | Noriyuki Kasama | 1981-06-09 |
| 4270193 | Electronic timepiece | — | 1981-05-26 |
| 4268913 | Electronic calculator watch | Tadahiko Nakagiri, Kunihiro Daigo, Toshiaki Oguchi, Minoru Natori, Toshikazu Hatuse +6 more | 1981-05-19 |
| 4261048 | Analog quartz timepiece | Jinro Motoki, Kenzi Miyasaka, Hiroyuki Uematsu, Mitsuhiro Murata, Hideyuki Kawashima +3 more | 1981-04-07 |
| 4236237 | Electronic wristwatch | — | 1980-11-25 |
| 4232512 | Solid state watch module construction | Kenichi Yoshikawa, Makoto Koshikawa, Toshio Umemoto, Tetsuo Satoh, Yoshiaki Kato | 1980-11-11 |
| 4226081 | Electronic timepiece | — | 1980-10-07 |
| 4221111 | Electronic timepiece having a voltage conversion circuit | Mitsuo Onda | 1980-09-09 |
| 4219999 | Electronic timepiece equipped with battery life display | Yoshiaki Kato | 1980-09-02 |
| 4216649 | Function selection circuit for multi-function timepiece | Fujio Ishida, Hideyuki Kawashima | 1980-08-12 |