Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6210340 | Blood pulse measuring device, pulsation measuring device, and pressure measuring device | Kazuhiko Amano, Koji Higuchi, Osamu Takahashi, Tsukasa Funasaka, Hajime Miyazaki | 2001-04-03 |
| 4882717 | Charging circuit for an analog electronic timepiece | Motomu Hayakawa | 1989-11-21 |
| 4730287 | Power supply for electronic timpiece | Yoshitsugu Nishiwaki | 1988-03-08 |
| 4533257 | Analog electric timepiece | Masuo Kitano | 1985-08-06 |
| 4392748 | Quartz crystal watch | — | 1983-07-12 |