Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352172 | Detection device of electronic timepiece | Makoto Ueda, Akira Torisawa, Shuji Otawa, Masaaki Mandai, Masaharu Shida | 1982-09-28 |
| 4321519 | Magnetic field detection device for electronic timepiece | Makoto Ueda, Akira Torisawa, Shuji Otawa, Masaaki Mandai, Masaharu Shida | 1982-03-23 |
| 4321520 | Electronic timepiece | Makoto Ueda, Akira Torisawa, Shuji Otawa, Masaaki Mandai, Masaharu Shida | 1982-03-23 |
| 4321521 | Detection device of electronic timepiece | Makoto Ueda, Akira Torisawa, Shuji Otawa, Masaaki Mandai, Masaharu Shida | 1982-03-23 |