Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7386241 | Processing cartridge rotating a drum shaft in different directions and image forming apparatus mounting such a cartridge | Tomonori Mori, Tadashi Horikawa | 2008-06-10 |
| 7340197 | Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus | Kazunari Murayama, Kanji Yokomori, Hideki Maeshima | 2008-03-04 |
| 7272339 | Process cartridge including first and second frames and separating member moving the second frame to a separated position and image forming apparatus detachably mounting the cartridge | Masatomo Tsuzuki, Kanji Yokomori | 2007-09-18 |
| 7215909 | Developing device, and process cartridge maintaining position of developing roller, and image forming apparatus using these | Kanji Yokomori, Masatomo Tsuduki | 2007-05-08 |
| 7162181 | Remanufacturing method for process cartridge | Hideki Maeshima, Kanji Yokomori, Kazunari Murayama, Nobuharu Hoshi, Tatsuya Suzuki | 2007-01-09 |
| 7088938 | Seal member, developing apparatus, process cartridge and image forming apparatus | Koji Hashimoto, Kinya Harada | 2006-08-08 |
| 7088939 | Process cartridge and electrophotographic image forming apparatus | Hideki Maeshima, Masatomo Tsuzuki | 2006-08-08 |
| 7072603 | Process cartridge and holding member | Masatomo Tsuzuki, Tatsuya Suzuki, Kanji Yokomori, Hideki Maeshima | 2006-07-04 |
| 7027756 | Process cartridge and assemblying method therefor | Nobuharu Hoshi, Tatsuya Suzuki | 2006-04-11 |
| 7024137 | Developing device, developing cartridge, and process cartridge each urging developing roller into regulating portion, and image forming apparatus having such developing device or process cartridge | Kanji Yokomori, Masatomo Tsuduki | 2006-04-04 |
| 6980758 | Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus | Kazunari Murayama, Kanji Yokomori, Hideki Maeshima | 2005-12-27 |
| 6839529 | Developing device and process cartridge | Kojiro Yasui, Hideki Maeshima | 2005-01-04 |
| 6834171 | DEVELOPER CONTAINER HAVING A GRIP MEMBER, PROCESS CARTRIDGE MOUNTABLE TO AN IMAGE FORMING APPARATUS HAVING SUCH A DEVELOPER CONTAINER, AN IMAGE FORMING APPARATUS DETACHABLY MOUNTING A PROCESS CARTRIDGE HAVING SUCH A DEVELOPER CONTAINER, A BEARING STRUCTURE HAVING A GRIP MEMBER, AND A SIDE COVER HAVING A GRIP MEMBER | Kanji Yokomori, Koji Hashimoto | 2004-12-21 |
| 6681088 | Process cartridge, image forming apparatus and separating mechanism for separating developing member from photosensitive drum | Kazuhiko Kanno, Kojiro Yasui, Tadashi Horikawa, Tatsuya Suzuki, Koji Yamaguchi | 2004-01-20 |
| 6654583 | Developing apparatus | Tatsuya Suzuki, Kouji Hashimoto, Kojiro Yasui | 2003-11-25 |
| 6622001 | Cleaning unit with conveying device | Takeshi Arimitsu | 2003-09-16 |
| D474497 | Image forming apparatus | Tachio Kawai, Kanji Yokomori, Jun Miyamoto, Tadashi Horikawa, Takeshi Arimitsu +1 more | 2003-05-13 |
| D474232 | Image forming apparatus | Tachio Kawai, Kanji Yokomori, Jun Miyamoto, Tadashi Horikawa, Takeshi Arimitsu +1 more | 2003-05-06 |
| 6535709 | Developing apparatus featuring an end of a regulating member coupled to a supporting member of the apparatus, regulating member, and method for assembling the same | Kanji Yokomori, Takeshi Arimitsu | 2003-03-18 |
| 6463234 | Process cartridge and electrophotographic image forming apparatus | Takeshi Arimitsu, Kanji Yokomori | 2002-10-08 |
| 6459869 | Process cartridge and image forming apparatus | Kanji Yokomori, Takeshi Arimitsu | 2002-10-01 |
| 6438347 | DEVELOPING DEVICE FEATURING A CONTROL MEMBER HAVING A CENTER PORTION WIDTH WIDER THAN END PORTIONS WIDTH IN A LONGITUDINAL DIRECTION THEREOF FOR CONTROLLING DEVELOPER THICKNESS AND METHOD FOR USING SAME | Kanji Yokomori, Shigeo Miyabe, Tachio Kawai | 2002-08-20 |
| 6411791 | Developing apparatus including a developer charging member shaft and a holding member including a shaft guide groove | Jun Miyamoto, Tatsuya Suzuki | 2002-06-25 |
| 6282395 | Developing device and process cartridge | Kanji Yokomori, Shigeo Miyabe, Tachio Kawai | 2001-08-28 |
| 6256467 | Side cover of developing cartridge, mounting method thereof and developing cartridge | Kanji Yokomori, Kazuhiko Kanno | 2001-07-03 |