Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4996560 | Apparatus for exposing an image of an original film on a photosensitive material in vacuum contact with the original film, and method therefor | Masatoshi Ueno, Takashi Ohno | 1991-02-26 |
| 4987444 | Method and apparatus for preventing light source degradation in an exposing apparatus employing a halogen lamp | — | 1991-01-22 |
| 4714947 | Contact printer for photosensitive materials | Fumihiko Nishida, Makoto Yahata | 1987-12-22 |