Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298944 | Testing image density to control toner concentration and dynamic range in a digital copier | Noboru Sawayama, Mitsuo Hasebe | 1994-03-29 |
| 5293198 | Image forming apparatus for controlling the dynamic range of an image | Noboru Sawayama, Katsuhiro Aoki | 1994-03-08 |