Usui; Noriyuki
Patent Applications and Registrations
Patent applications and USPTO patent grants for Usui; Noriyuki.The latest application filed is for "image-forming apparatus having a seal for a developer and a method for detecting a removal of the seal".
- Usui; Noriyuki - Kawasaki JP
| Patent | Date |
|---|---|
| Image-forming apparatus having a seal for a developer and a method for detecting a removal of the seal Grant 6,266,501 - Mizuishi , et al. July 24, 2 | 2001-07-24 |
| Image forming apparatus with improved toner density control Grant 6,148,161 - Usui , et al. November 14, 2 | 2000-11-14 |
| Image forming apparatus having detachable transfer roller and discharge device Grant 6,144,822 - Yamaguchi , et al. November 7, 2 | 2000-11-07 |
| Method of cleaning a photoconductive element of an image recorder Grant 4,945,389 - Usui , et al. July 31, 1 | 1990-07-31 |
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