Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819892 | Electrophotographic image forming apparatus including air conditioning means for removing harmful substances | Yasushi Nakazato, Yusuke Takeda, Tsukuru Kai, Satoshi Muramatsu, Masanori Suzuki +1 more | 2004-11-16 |
| 6768886 | Image forming apparatus | Yasushi Nakazato, Tomohiro Nakajima | 2004-07-27 |
| 6760557 | Image forming apparatus | Yasushi Nakazato, Tomohiro Nakajima | 2004-07-06 |
| 6697588 | Image forming apparatus | Yasushi Nakazato, Tomohiro Nakajima | 2004-02-24 |
| 6690404 | Image forming apparatus and method for changeable image forming modes between a single color mode and a multiple color mode | Tomohiro Nakajima | 2004-02-10 |
| 6686946 | Density unevenness suppressing image forming apparatus and method | Koji Masuda, Tetsuro Saitoh, Masahiro Ito, Katsuyuki Kitao, Tomoya Ohsugi +1 more | 2004-02-03 |