Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897825 | Magnetic shielding structure of analog electronic timepiece | — | 1990-01-30 |
| 4274150 | Electronic watch | Joichi Miyazaki, Shozo Kushida, Hiromasa Nakanishi, Makoto Ueda, Masaharu Shida | 1981-06-16 |
| 4241433 | Electronic watch | Makoto Ueda, Masaharu Shida, Joichi Miyazaki, Shozo Kushida, Hiromasa Nakanishi | 1980-12-23 |
| 4216646 | Electronic watch | Joichi Miyazaki, Shozo Kushida, Hiromasa Nakanishi | 1980-08-12 |
| 4204395 | Calendar mechanism of a portable timepiece | Joichi Miyazaki, Shozo Kushida, Hiromasa Nakanishi | 1980-05-27 |