Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826381 | Image formation device and agent supplying device including absorber conveying by negative pressure | Hideo Yoshizawa, Hideki Kimura, Kazuhisa Sudo, Yoshio Hattori, Junichi Matsumoto | 2004-11-30 |
| 6819892 | Electrophotographic image forming apparatus including air conditioning means for removing harmful substances | Yasushi Nakazato, Yusuke Takeda, Tsukuru Kai, Masanori Suzuki, Yasuo Suzuki +1 more | 2004-11-16 |
| 6785496 | Developer container, developing conveying device and image forming apparatus using the same | Nobuo Iwata, Nobuo Kasahara, Junichi Matsumoto | 2004-08-31 |
| 6748190 | Apparatus and method for replenishing a developing device with toner while suppressing toner remaining | Takaaki Yanagisawa, Masumi Sato, Kazuhiko Yuuki, Akio Kosuge, Yoshinori Ozawa +4 more | 2004-06-08 |
| 6678492 | Toner container and toner delivery apparatus | Seiji Terazawa, Tetsuya Kusano, Nobuo Kasahara, Fumio Ogata, Takeshi Tamaru | 2004-01-13 |