Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363232 | Device for controlling luminous energy | — | 1994-11-08 |
| 5333020 | Sprocket wheel for advancing film and device for advancing film using said sprocket wheel | Makoto Tsukada | 1994-07-26 |