Issued Patents 1982
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352172 | Detection device of electronic timepiece | Akira Torisawa, Shuji Otawa, Masaaki Mandai, Masaharu Shida, Katsuhiko Sato | 1982-09-28 |
| 4326278 | Electronic timepiece | Masaharu Shida, Akira Torisawa, Shuji Owada, Masaaki Mandai | 1982-04-20 |
| 4321520 | Electronic timepiece | Akira Torisawa, Shuji Otawa, Masaaki Mandai, Masaharu Shida, Katsuhiko Sato | 1982-03-23 |
| 4321519 | Magnetic field detection device for electronic timepiece | Akira Torisawa, Shuji Otawa, Masaaki Mandai, Masaharu Shida, Katsuhiko Sato | 1982-03-23 |
| 4321521 | Detection device of electronic timepiece | Akira Torisawa, Shuji Otawa, Masaaki Mandai, Masaharu Shida, Katsuhiko Sato | 1982-03-23 |
| 4315329 | Load measuring device for the gear train of a timepiece | Akira Torisawa, Masaharu Shida | 1982-02-09 |
| 4312059 | Electronic timepiece | Masaaki Mandai, Akira Torisawa, Kazuhiro Asano, Masaharu Shida, Katsuhiko Satoh | 1982-01-19 |
| 4312058 | Electronic watch | Masaharu Shida, Akira Torisawa | 1982-01-19 |