Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5305057 | Image forming apparatus having correction means for modifying image density signals according to a gradation correction table | Yoshihiro Hattori, Suguru Hamamichi, Hideaki Kodama, Yoshikazu Naito | 1994-04-19 |