Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6944410 | Image forming apparatus and method of sensing amount of remaining developer in image forming apparatus | Kazumi Yamauchi, Yasunao Otomo, Hideaki Hasegawa, Nobuo Oshima | 2005-09-13 |
| 6801724 | Image forming apparatus | Hideki Matsumoto | 2004-10-05 |
| 6785479 | Image forming apparatus having a control section for detecting an amount of developer and an amount detection method of developer of image forming apparatus | Takashi Hibi, Hideki Matsumoto | 2004-08-31 |
| 6661980 | Image forming apparatus and image forming system | Hideki Matsumoto, Takeo Shoji | 2003-12-09 |
| 6456804 | Image forming apparatus for enabling to selectively apply a setting voltage or other voltages to a transferring material | Satoru Izawa, Yuko Tanaka | 2002-09-24 |
| 6404998 | Image forming apparatus determining transfer voltage based on transferring member resistance value and transferring material resistance value | Yuko Tanaka, Masahiro Goto, Satoru Izawa | 2002-06-11 |