Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373345 | Camera exposure meter system | — | 1994-12-13 |
| 5371427 | Driver for piezoelectric actuator and shutter control device utilizing piezoelectric device | Akira Katayama, Yoshiaki Tanabe, Masanori Hasuda | 1994-12-06 |