Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6341428 | Tilt detecting device | Shunji Minami | 2002-01-29 |
| 6115929 | Tilt detecting device | Shunji Minami | 2000-09-12 |
| 5965855 | Detecting device, method for manufacturing the detecting device and electronic apparatus using the detecting device | Hiroshi Takenaka | 1999-10-12 |
| 5946274 | Switch device and electronic device which includes such switch device | Masanobu Yamaguchi, Wataru Yamada | 1999-08-31 |
| 4785434 | Slip structure of a timepiece | Masaru Shoji, Wataru Yamada, Mitsunobu Yatabe, Kenichi Nakamura, Satoshi Fujio +3 more | 1988-11-15 |
| 4711584 | Movement of electronic watch of analog display type | Masaru Shoji, Wataru Yamada | 1987-12-08 |