Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7522850 | Image forming apparatus, process cartridge, developing unit, and image forming method | Kazuhito Watanabe, Satoshi Narumi, Shinji Tamaki, Satoshi Hatori, Tsutomu Katoh +2 more | 2009-04-21 |
| 7493061 | Process cartridge including at least one replaceable member and image forming apparatus | Satoshi Hatori, Kazuhito Watanabe, Satoshi Narumi, Shinji Tamaki, Tsutomu Katoh +1 more | 2009-02-17 |
| 7158730 | Image forming apparatus, process cartridge, developing unit, and image forming method | Kazuhito Watanabe, Satoshi Narumi, Shinji Tamaki, Satoshi Hatori, Tsutomu Katoh +2 more | 2007-01-02 |
| 7031982 | Publication confirming method, publication information acquisition apparatus, publication information providing apparatus and database | Mikuni Murata, Shunzoh Mogi, Tohru Shimizu | 2006-04-18 |