Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470686 | Distance and light measuring device for single lens reflex camera | — | 1984-09-11 |
| 4320946 | Camera focus detecting device | Harumi Aoki, Yoshio Sawada | 1982-03-23 |
| 4300826 | Focus indicating device for camera | Harumi Aoki, Koji Suzuki | 1981-11-17 |
| 4215387 | Multi-layer flexible printed circuit board assembly | Kiyoshi Negishi | 1980-07-29 |