Issued Patents All Time
Showing 701–725 of 757 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7561817 | Toner cartridges, development cartridges, and image forming apparatus including such cartridges | — | 2009-07-14 |
| 7555251 | Image forming apparatus and toner cartridge | — | 2009-06-30 |
| 7526227 | Image forming apparatus and cartridge | Naoya Kamimura | 2009-04-28 |
| 7489888 | Image-forming apparatus including a cartridge loading section in communication with a cartridge opening | Yasushi Okabe, Shigeharu Katayama, Yasutake Yamaguchi | 2009-02-10 |
| 7489889 | Image formation apparatus and photoreceptor cartridge | Makoto Ishii, Yasushi Okabe | 2009-02-10 |
| 7486909 | Image forming apparatus with a plurality of drum cartridges and a plurality of developer cartridges | Makoto Ishii, Yasushi Okabe | 2009-02-03 |
| 7486904 | Multicolor image forming apparatus and image making device | Katsuyuki Yokoi, Masashi Suzuki, Yasushi Okabe | 2009-02-03 |
| 7463847 | Image-forming apparatus having developing units in removable holding unit | — | 2008-12-09 |
| 7457563 | Photosensitive member cartridge | Yasushi Okabe, Tsutomu Suzuki | 2008-11-25 |
| 7447467 | Image-forming device with holding unit having multiple positions | Naoya Kamimura | 2008-11-04 |
| 7444100 | Image forming apparatus with a removable holder for holding developing devices | — | 2008-10-28 |
| 7415223 | Image formation apparatus and photoreceptor cartridge | Makoto Ishii, Yasushi Okabe | 2008-08-19 |
| 7395008 | Image formation apparatus and photoreceptor cartridge | Makoto Ishii, Yasushi Okabe | 2008-07-01 |
| 7366446 | Image forming apparatus and method with variable photosensitive drum to developing roller speed ratio | Fumikazu Sato | 2008-04-29 |
| 7352378 | Image forming device | Masashi Suzuki | 2008-04-01 |
| 7274894 | Image formation apparatus and photoreceptor cartridge | Makoto Ishii, Yasushi Okabe | 2007-09-25 |
| 7245850 | Photosensitive member cartridge | Yasushi Okabe, Tsutomu Suzuki | 2007-07-17 |
| 7231167 | Photosensitive member cartridge | Yasushi Okabe, Tsutomu Suzuki | 2007-06-12 |
| 7224923 | Photosensitive member cartridge | Yasushi Okabe, Tsutomu Suzuki | 2007-05-29 |
| 7221892 | Developing device used in image forming device | — | 2007-05-22 |
| 7218878 | Photosensitive member cartridge | Yasushi Okabe, Tsutomu Suzuki | 2007-05-15 |
| 7194219 | Image-forming device having image-scanning unit | Naoya Kamimura | 2007-03-20 |
| 7184685 | Image forming apparatus and process cartridge | — | 2007-02-27 |
| 7165766 | Sheet feeding cassette and image forming apparatus | — | 2007-01-23 |
| 7136613 | Multicolor image forming apparatus and image making device | Katsuyuki Yokoi, Masashi Suzuki, Yasushi Okabe | 2006-11-14 |