Issued Patents All Time
Showing 51–75 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7486905 | Developer cartridge including developer filling port cap and recycling method thereof | Soichiro Nishimura, Masatoshi Sakaguchi, Mitsuru Horinoe | 2009-02-03 |
| 7450876 | Developing cartridge, image holding body cartridge, process cartridge and image forming apparatus that are capable of applying a bias voltage to a developing roller without indication of the developing roller | Makoto Ishii | 2008-11-11 |
| 7412188 | Developer cartridge structured to have a predetermined distance between a first axis and a second axis | Makoto Ishii, Isao Kishi, Takashi Shimizu | 2008-08-12 |
| 7366446 | Image forming apparatus and method with variable photosensitive drum to developing roller speed ratio | Shougo Sato | 2008-04-29 |
| 7356286 | Charger, image forming apparatus and process cartridge | Nao Itabashi, Takahiro Nishimoto, Kunihiko Kondo, Ikunobu Yoshiyama, Tsutomu Suzuki | 2008-04-08 |
| 7352981 | Developing apparatus, process cartridge and image forming apparatus having toner leakage prevention member | Takeshi Fuwazaki | 2008-04-01 |
| 7336913 | Developing apparatus, process cartridge and image forming apparatus for preventing leakage | Masahiro Ishii, Yukiko Nakaya, Hiroya Fukuta, Nao Itabashi, Isao Kishi +1 more | 2008-02-26 |
| 7298992 | Process cartridge that accurately disposes brush with respect to image bearing member | Soichiro Nishimura, Tsutomu Suzuki, Yoshinori Ito, Takashi Shimizu, Satoru Ishikawa | 2007-11-20 |
| D533215 | Toner cartridge | Makoto Ishii, Fumio Morita | 2006-12-05 |
| D531660 | Toner cartridge | Makoto Ishii, Fumio Morita | 2006-11-07 |
| D531661 | Toner cartridge | Makoto Ishii, Fumio Morita | 2006-11-07 |
| D528148 | Toner cartridge | Makoto Ishii, Fumio Morita | 2006-09-12 |
| D523894 | Photosensitive drum unit | Makoto Ishii, Fumio Morita | 2006-06-27 |
| D523895 | Photosensitive drum unit | Makoto Ishii, Fumio Morita | 2006-06-27 |
| D523896 | Photosensitive drum unit | Makoto Ishii, Fumio Morita | 2006-06-27 |
| D522564 | Toner cartridge | Makoto Ishii, Fumio Morita | 2006-06-06 |
| D521545 | Photosensitive drum unit | Makoto Ishii, Fumio Morita | 2006-05-23 |
| 7020405 | Image forming device capable of interrupting application of driving signal at a drive unit | Satoru Ishikawa, Fumio Morita, Hideaki Deguchi | 2006-03-28 |
| 6763210 | Method of refilling used developing cartridge | Masatoshi Sakaguchi, Soichiro Nishimura, Mitsuru Horinoe | 2004-07-13 |
| 6512904 | Recording medium feed path for an image forming apparatus | Satoru Ishikawa | 2003-01-28 |
| 6496669 | Developing agent carrier having a sealing mechanism at each end of a developing roller | Hideaki Deguchi, Naoya Kamimura, Mitsuru Horinoe | 2002-12-17 |
| 6496668 | Image developing device with sealing members for preventing toner leakage | Hideaki Deguchi, Naoya Kamimura, Mitsuru Horinoe | 2002-12-17 |
| 6385414 | Contaminant preventing structure for image forming apparatus and process cartridge | Hideaki Deguchi, Naoya Kamimura, Mitsuru Horinoe, Makoto Ishii, Tsuyoshi Suzuki | 2002-05-07 |
| 6356723 | Developing device, process cartridge and image forming apparatus | Hideaki Deguchi, Naoya Kamimura, Mitsuru Horinoe | 2002-03-12 |
| 6336014 | Image developing device with sealing members for preventing toner leakage | Hideaki Deguchi, Naoya Kamimura, Mitsuru Horinoe | 2002-01-01 |