Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8073346 | Image forming apparatus configured to use a cartridge including memory and a cartridge without memory | Hiroyuki Sakai, Shinji Yoshida, Yasuhiko Otawa | 2011-12-06 |
| 8021141 | Imprint apparatus | Masahiko Ogino, Akihiro Miyauchi, Noritake Shizawa, Kyoichi Mori | 2011-09-20 |
| 8014687 | Image forming apparatus that determines when a life of a replacement unit has expired | — | 2011-09-06 |
| 7885553 | Image forming apparatus and method for controlling access to replaceable units | Yasuhiko Otawa | 2011-02-08 |