Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9952530 | Image forming apparatus | — | 2018-04-24 |
| 9541887 | Cleaning blade, process cartridge, and electrophotographic apparatus | Masanobu Nakajima, Hisataka Hisakuni, Masaya Kawada, Kenji Karashima | 2017-01-10 |
| 9207557 | Image forming apparatus | Tadashi Fukuda | 2015-12-08 |
| 8953956 | Image forming apparatus | — | 2015-02-10 |
| 8843032 | Image forming apparatus with electrical discharge suppression | — | 2014-09-23 |
| 8170433 | Image forming apparatus with rotation-speed-related adjustable photosensitive member charging bias | — | 2012-05-01 |
| 8005380 | Image forming apparatus | — | 2011-08-23 |
| 7945190 | Cleanerless image forming apparatus | — | 2011-05-17 |
| 7620339 | Image forming apparatus including first and second cleaning members | — | 2009-11-17 |
| 6832067 | Cleaning apparatus including a toner breaking member and image forming apparatus using same | — | 2004-12-14 |
| 6560427 | Electrophotographic image forming apparatus | Yuji Nakayama, Hisataka Hisakuni | 2003-05-06 |
| 6381438 | Image forming apparatus and image forming method | — | 2002-04-30 |
| 6311037 | Image-bearing member cleaning method and electrophotographic image forming apparatus | Hisataka Hisakuni, Yuji Nakayama | 2001-10-30 |