Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6064139 | Ultrasonic motor | Fujio Ozawa, Takashi Sato, Masao Kasuga | 2000-05-16 |
| 4437769 | Electronic timepiece | Masaharu Shida, Makoto Ueda, Masaaki Mandai, Katsuhiko Sato | 1984-03-20 |
| 4358840 | Analogue alarm electronic timepiece | Kenichi Ono, Masaharu Shida | 1982-11-09 |
| 4352172 | Detection device of electronic timepiece | Makoto Ueda, Akira Torisawa, Masaaki Mandai, Masaharu Shida, Katsuhiko Sato | 1982-09-28 |
| 4321520 | Electronic timepiece | Makoto Ueda, Akira Torisawa, Masaaki Mandai, Masaharu Shida, Katsuhiko Sato | 1982-03-23 |
| 4321519 | Magnetic field detection device for electronic timepiece | Makoto Ueda, Akira Torisawa, Masaaki Mandai, Masaharu Shida, Katsuhiko Sato | 1982-03-23 |
| 4321521 | Detection device of electronic timepiece | Makoto Ueda, Akira Torisawa, Masaaki Mandai, Masaharu Shida, Katsuhiko Sato | 1982-03-23 |