Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8577245 | Image forming apparatus | Toyohiko Awano, Atsuna Saiki, Yosuke Ninomiya, Kazuhiro Saito, Satoru Hori | 2013-11-05 |
| 8185024 | Developing unit having a magnet member and image forming apparatus including the developing unit | Kiyoshi Nagamine, Tomoyuki Yoshii | 2012-05-22 |
| 8121524 | Developer supply container and image forming apparatus | Takuji Matsumoto, Kazuhiro Saito | 2012-02-21 |
| 8014705 | Developing device, image supporter unit, and image formation apparatus | Takuji Matsumoto, Toyohiko Awano | 2011-09-06 |
| 7885582 | Image forming apparatus having developing material cartridges and a supply developing material container | Naomasa Okimura, Atsuna Saiki, Takeshi Okoshi, Kazuhiro Saito, Hideyuki Ohtani | 2011-02-08 |
| 7212763 | Image forming apparatus and seal portion for use in the same | Masaru Sakuma, Toru Isosu | 2007-05-01 |
| 6445888 | Image forming apparatus having a detachable cartridge and developer residual amount sensor | Kazumasa Fujiwara, Shigeru Morimoto, Toru Isosu | 2002-09-03 |