Issued Patents 2002
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496669 | Developing agent carrier having a sealing mechanism at each end of a developing roller | Fumikazu Sato, Naoya Kamimura, Mitsuru Horinoe | 2002-12-17 |
| 6496668 | Image developing device with sealing members for preventing toner leakage | Fumikazu Sato, Naoya Kamimura, Mitsuru Horinoe | 2002-12-17 |
| 6456810 | Developing cartridge having toner agitator agitating toners in toner container and transferring toner to developing chamber | Masahiro Ishii, Tsutomu Suzuki | 2002-09-24 |
| 6385414 | Contaminant preventing structure for image forming apparatus and process cartridge | Fumikazu Sato, Naoya Kamimura, Mitsuru Horinoe, Makoto Ishii, Tsuyoshi Suzuki | 2002-05-07 |
| 6356723 | Developing device, process cartridge and image forming apparatus | Fumikazu Sato, Naoya Kamimura, Mitsuru Horinoe | 2002-03-12 |
| 6337956 | Developing device having toner agitation member and cleaning member cleaning light transmission window | Shougo Sato, Masahiro Ishii, Yoshiteru Hattori | 2002-01-08 |
| 6336014 | Image developing device with sealing members for preventing toner leakage | Fumikazu Sato, Naoya Kamimura, Mitsuru Horinoe | 2002-01-01 |