Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7308226 | Image forming method and apparatus with reduced reverse toner transfer | Takahiro Tamiya | 2007-12-11 |
| 7155152 | Method of image transfer, method of and apparatus for image forming | Sadayuki Iwai, Tomoko Takahashi, Yoshinori Nakagawa, Hideki Kosugi | 2006-12-26 |
| 6947682 | Image forming apparatus for reducing toner scatter | Hideki Kosugi, Sadayuki Iwai, Tomoko Takahashi, Masako Yoshii | 2005-09-20 |
| 6879787 | Image forming apparatus with self-diagnosis mode | — | 2005-04-12 |