Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7046946 | Development unit for developing electrostatic latent images | Shougo Sato | 2006-05-16 |
| 6871033 | Development unit with restrictor for developing electrostatic latent images with improved density | Shougo Sato | 2005-03-22 |
| 6763210 | Method of refilling used developing cartridge | Fumikazu Sato, Masatoshi Sakaguchi, Soichiro Nishimura | 2004-07-13 |
| 6738591 | Developing device with exchangeable toner box | Tomoaki Hattori | 2004-05-18 |
| 6496668 | Image developing device with sealing members for preventing toner leakage | Fumikazu Sato, Hideaki Deguchi, Naoya Kamimura | 2002-12-17 |
| 6496669 | Developing agent carrier having a sealing mechanism at each end of a developing roller | Fumikazu Sato, Hideaki Deguchi, Naoya Kamimura | 2002-12-17 |
| 6385414 | Contaminant preventing structure for image forming apparatus and process cartridge | Fumikazu Sato, Hideaki Deguchi, Naoya Kamimura, Makoto Ishii, Tsuyoshi Suzuki | 2002-05-07 |
| 6356723 | Developing device, process cartridge and image forming apparatus | Fumikazu Sato, Hideaki Deguchi, Naoya Kamimura | 2002-03-12 |
| 6336014 | Image developing device with sealing members for preventing toner leakage | Fumikazu Sato, Hideaki Deguchi, Naoya Kamimura | 2002-01-01 |
| 6321050 | Image developing device with sealing members for preventing toner leakage | Fumikazu Sato, Hideaki Deguchi, Naoya Kamimura | 2001-11-20 |
| 6256471 | Image developing device and image forming apparatus | Shougo Sato | 2001-07-03 |