Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7031629 | Image forming apparatus which recovers toner by developing device | Takeshi Kawamura, Yasushi Shimizu, Yasunori Chigono, Ken Nakagawa, Hikaru Osada | 2006-04-18 |
| 6915088 | Image forming apparatus | Ken Nakagawa | 2005-07-05 |
| 6801729 | Imaging apparatus with image fixing throughput control based on sheet size and method of operation thereof | Atsushi Wada, Takashi Nakahara, Yuichi Seki, Hiroshi Takazawa, Takashi Sekiguchi | 2004-10-05 |
| 6526251 | Image forming apparatus having transferring roller of small diameter | Yasumasa Otsuka, Daizo Fukuzawa, Yoshiyuki Yamazaki, Hisashi Nakahara | 2003-02-25 |
| 5561285 | Image forming apparatus and light quantity control device having a light emission mode control means | Shirou Sakata, Masako Takahashi | 1996-10-01 |