Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7356282 | Image forming apparatus having transfer roller guided by guide device fixed on image carrier support structure and process cartridge having the guide device | — | 2008-04-08 |
| 7341387 | Image forming apparatus | Soichiro Nishimura | 2008-03-11 |
| 7292814 | Process cartridge preventing winding and image forming apparatus | — | 2007-11-06 |
| 7113734 | Process cartridge having a guide member with a flexible portion | Takeshi Takami | 2006-09-26 |
| 7039334 | Image forming device that changes process speed according to electrical property of transfer member | — | 2006-05-02 |
| 7031632 | Image forming apparatus including air-flow direction changing around transferring device | Satoru Ishikawa, Hidenori Hisada | 2006-04-18 |
| 7020405 | Image forming device capable of interrupting application of driving signal at a drive unit | Satoru Ishikawa, Fumio Morita, Fumikazu Sato | 2006-03-28 |
| 6650861 | Electrophotographic image forming apparatus | Katsumi Inukai | 2003-11-18 |
| 6496668 | Image developing device with sealing members for preventing toner leakage | Fumikazu Sato, Naoya Kamimura, Mitsuru Horinoe | 2002-12-17 |
| 6496669 | Developing agent carrier having a sealing mechanism at each end of a developing roller | 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 |
| 6321050 | Image developing device with sealing members for preventing toner leakage | Fumikazu Sato, Naoya Kamimura, Mitsuru Horinoe | 2001-11-20 |
| 4505172 | Shear angle adjusting apparatus for shearing machine | — | 1985-03-19 |
| 4354374 | Bending press | — | 1982-10-19 |