Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4493559 | Analogue alarm electronic timepiece | Takashi Ishida | 1985-01-15 |
| 4479723 | Analog electronic timepiece drive circuitry for energizing stepping motor drive coil in full and intermediate excitation states, and method therefor | — | 1984-10-30 |
| 4445784 | Electronic timepiece | Makoto Ueda, Akira Torisawa, Shuji Owada, Masaaki Mandai | 1984-05-01 |
| 4437769 | Electronic timepiece | Makoto Ueda, Shuji Otawa, Masaaki Mandai, Katsuhiko Sato | 1984-03-20 |
| 4433401 | Electronic timepiece having a stepping motor and driving circuit compensated for power source variations | Makoto Ueda | 1984-02-21 |
| 4382691 | Electronic watch | Akira Torisawa, Jun Ueda, Masaaki Mandai, Katsuhiko Sato | 1983-05-10 |
| 4368990 | Electronic timepiece | Makoto Ueda, Akira Torisawa | 1983-01-18 |
| 4358840 | Analogue alarm electronic timepiece | Kenichi Ono, Shuji Otawa | 1982-11-09 |
| 4352172 | Detection device of electronic timepiece | Makoto Ueda, Akira Torisawa, Shuji Otawa, Masaaki Mandai, Katsuhiko Sato | 1982-09-28 |
| 4326278 | Electronic timepiece | Makoto Ueda, Akira Torisawa, Shuji Owada, Masaaki Mandai | 1982-04-20 |
| 4321519 | Magnetic field detection device for electronic timepiece | Makoto Ueda, Akira Torisawa, Shuji Otawa, Masaaki Mandai, Katsuhiko Sato | 1982-03-23 |
| 4321520 | Electronic timepiece | Makoto Ueda, Akira Torisawa, Shuji Otawa, Masaaki Mandai, Katsuhiko Sato | 1982-03-23 |
| 4321521 | Detection device of electronic timepiece | Makoto Ueda, Akira Torisawa, Shuji Otawa, Masaaki Mandai, Katsuhiko Sato | 1982-03-23 |
| 4315329 | Load measuring device for the gear train of a timepiece | Akira Torisawa, Makoto Ueda | 1982-02-09 |
| 4312059 | Electronic timepiece | Masaaki Mandai, Akira Torisawa, Makoto Ueda, Kazuhiro Asano, Katsuhiko Satoh | 1982-01-19 |
| 4312058 | Electronic watch | Akira Torisawa, Makoto Ueda | 1982-01-19 |
| 4276626 | Electronic watch | Katsuhiko Satoh, Kazuhiro Asano, Masaaki Mandai, Makoto Ueda, Akira Torisawa | 1981-06-30 |
| 4274150 | Electronic watch | Masataka Ikenishi, Joichi Miyazaki, Shozo Kushida, Hiromasa Nakanishi, Makoto Ueda | 1981-06-16 |
| 4272837 | Electronic timepiece with rotation detector | Makoto Ueda, Akira Torisawa, Katsuhiko Satoh, Masaaki Mandai, Kazuhiro Asano | 1981-06-09 |
| 4271496 | Electronic watch | Akira Torisawa, Makoto Ueda, Masaaki Mandai, Katsuhiko Sato, Kazuhiro Asano | 1981-06-02 |
| 4241434 | Stepping motor mechanism for an electronic watch | Akira Torisawa, Makoto Ueda | 1980-12-23 |
| 4241433 | Electronic watch | Makoto Ueda, Masataka Ikenishi, Joichi Miyazaki, Shozo Kushida, Hiromasa Nakanishi | 1980-12-23 |
| 4217751 | Electronic timepiece | Akira Torisawa, Makoto Ueda, Kazuhiro Asano, Katsuhiko Satoh, Masaaki Mandai | 1980-08-19 |
| 4209971 | Electronic timepiece | Makoto Ueda, Akira Torisawa | 1980-07-01 |
| 4204397 | Electronic timepiece | Kazuhiro Asano, Makoto Ueda, Akira Torisawa, Katsuhiko Satoh, Masaaki Mandai | 1980-05-27 |