Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5966558 | Image forming apparatus having control of exposure and charging depending on detected temperature | — | 1999-10-12 |
| 5781839 | Multicolor image forming apparatus | — | 1998-07-14 |
| 5749022 | Charging apparatus and method for use in image forming device | Wataru Yasuda, Ichiro Shimeki, Naomi Sugimoto | 1998-05-05 |
| 5678129 | Image forming apparatus with contact type charging member | Wataru Yasuda, Naomi Sugimoto | 1997-10-14 |
| 5606399 | Device for correcting an applied voltage in an image forming apparatus | — | 1997-02-25 |
| 5051760 | Direct image recording apparatus using toner | Hisashi Shoji, Makoto Obu, Hidetoshi Yano, Junichi Terai, Tomoko Ogawa | 1991-09-24 |