Patent | Date |
---|
Developing apparatus, process cartridge and image forming apparatus Grant 8,036,543 - Yokomori , et al. October 11, 2 | 2011-10-11 |
Developing Apparatus, Process Cartridge And Image Forming Apparatus App 20080292331 - Yokomori; Kanji ;   et al. | 2008-11-27 |
Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus Grant 7,340,197 - Murayama , et al. March 4, 2 | 2008-03-04 |
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 Grant 7,272,339 - Tsuzuki , et al. September 18, 2 | 2007-09-18 |
Developing device, and process cartridge maintaining position of developing roller, and image forming apparatus using these Grant 7,215,909 - Nittani , et al. May 8, 2 | 2007-05-08 |
Remanufacturing method for process cartridge Grant 7,162,181 - Maeshima , et al. January 9, 2 | 2007-01-09 |
Process cartridge, mounting method of electrophotographic photosensitive drum and replacing method of the photosensitive drum Grant 7,158,735 - Murayama , et al. January 2, 2 | 2007-01-02 |
Image forming apparatus and developing-agent amount detecting method, cartridge, and storage medium Grant 7,146,115 - Suzuki , et al. December 5, 2 | 2006-12-05 |
Process cartridge and image forming apparatus App 20060245784 - Tsuzuki; Masatomo ;   et al. | 2006-11-02 |
Process cartridge and holding member Grant 7,072,603 - Tsuzuki , et al. July 4, 2 | 2006-07-04 |
Process cartridge and electrophotographic image forming apparatus Grant 7,039,339 - Yokomori , et al. May 2, 2 | 2006-05-02 |
Image forming apparatus Grant D519,150 - Kojima , et al. April 18, 2 | 2006-04-18 |
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 Grant 7,024,137 - Nittani , et al. April 4, 2 | 2006-04-04 |
Rigid process cartridge and electrophotographic image forming apparatus incorporating the same Grant 7,024,134 - Yokomori , et al. April 4, 2 | 2006-04-04 |
Electrophotographic photosensitive drum having caulked flanges, process cartridge having such a drum, and image forming apparatus having such a process cartridge Grant 7,016,626 - Yokomori , et al. March 21, 2 | 2006-03-21 |
Developing device, developing cartridge, process cartridge, and image forming apparatus using these App 20060013618 - Nittani; Susumu ;   et al. | 2006-01-19 |
Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus Grant 6,980,758 - Murayama , et al. December 27, 2 | 2005-12-27 |
Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus App 20050260011 - Murayama, Kazunari ;   et al. | 2005-11-24 |
Process cartridge and electrophotographic image forming apparatus App 20050220485 - Yokomori, Kanji ;   et al. | 2005-10-06 |
Process cartridge and electrophotographic image forming apparatus Grant 6,934,489 - Yokomori , et al. August 23, 2 | 2005-08-23 |
Process cartridge, mounting method of electrophotographic photosensitive drum and replacing method of the photosensitive drum App 20050117934 - Murayama, Kazunari ;   et al. | 2005-06-02 |
Remanufacturing method for process cartridge App 20050115043 - Maeshima, Hideki ;   et al. | 2005-06-02 |
Image forming apparatus and developing-agent amount detecting method, cartridge, and storage medium App 20050117922 - Suzuki, Tatsuya ;   et al. | 2005-06-02 |
Process cartridge, mounting mechanism therefor and electrophotographic image forming apparatus App 20050047821 - Murayama, Kazunari ;   et al. | 2005-03-03 |
Process cartridge and holding member App 20050025522 - Tsuzuki, Masatomo ;   et al. | 2005-02-03 |
Process cartridge and electrophotographic image forming apparatus App 20050019059 - Yokomori, Kanji ;   et al. | 2005-01-27 |
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 Havi Grant 6,834,171 - Nittani , et al. December 21, 2 | 2004-12-21 |
Image forming apparatus and process cartridge detachably attachable to the same Grant 6,738,588 - Yokomori , et al. May 18, 2 | 2004-05-18 |
Process cartridge, electrophotographic photosensitive drum, electrophotographic image forming apparatus and color electrophotographic image forming apparatus Grant 6,684,041 - Yokomori , et al. January 27, 2 | 2004-01-27 |
Electrophotographic photosensitive drum, process cartridge and image forming apparatus therein App 20040005169 - Yokomori, Kanji ;   et al. | 2004-01-08 |
Developing device, developing cartridge, process cartridge, and image forming apparatus using these App 20030228173 - Nittani, Susumu ;   et al. | 2003-12-11 |
Developer container having sealing member Grant 6,654,575 - Miura , et al. November 25, 2 | 2003-11-25 |
Process cartridge and electrophotographic image forming apparatus App 20030161654 - Yokomori, Kanji ;   et al. | 2003-08-28 |
Developer container, developing container, developing device, process cartridge, side cover, bearing structrue, and image forming apparatus App 20030156855 - Nittani, Susumu ;   et al. | 2003-08-21 |
Image forming apparatus Grant D474,497 - Kawai , et al. May 13, 2 | 2003-05-13 |
Image forming apparatus Grant D474,232 - Kawai , et al. May 6, 2 | 2003-05-06 |
Handle, process cartridge, handle attaching method and electrophotographic image forming apparatus Grant 6,463,232 - Kawai , et al. October 8, 2 | 2002-10-08 |
Process cartridge and electrophotographic image forming apparatus Grant 6,463,234 - Arimitsu , et al. October 8, 2 | 2002-10-08 |
Process cartridge and image forming apparatus Grant 6,459,869 - Nittani , et al. October 1, 2 | 2002-10-01 |
Process cartridge, electrophotographic photosensitive drum, electrophotographic image forming apparatus and color electrophotographic image forming apparatus App 20020110388 - Yokomori, Kanji ;   et al. | 2002-08-15 |
Image forming apparatus and process cartridge detachably attachable to the same App 20020081126 - Yokomori, Kanji ;   et al. | 2002-06-27 |
Developer container having sealing member App 20020064392 - Miura, Toshihiko ;   et al. | 2002-05-30 |
Assembling and disassembling methods for developing cartridge Grant 6,381,430 - Yokomori , et al. April 30, 2 | 2002-04-30 |
Shutter pin and developing cartridge Grant 6,345,164 - Yokomori , et al. February 5, 2 | 2002-02-05 |
Developing device frame, process cartridge, and electrophotographic image forming apparatus Grant 6,343,192 - Miyabe , et al. January 29, 2 | 2002-01-29 |
Developing Device With A Devolper Thickness Control Feature And Method For Using The Same App 20020003974 - NITTANI, SUSUMU ;   et al. | 2002-01-10 |
Developing apparatus and assembling method for the same App 20010031158 - Yokomori, Kanji ;   et al. | 2001-10-18 |
Process cartridge and image forming apparatus App 20010022902 - Nittani, Susumu ;   et al. | 2001-09-20 |
Process cartridge and electrophotographic image forming apparatus App 20010017994 - Arimitsu, Takeshi ;   et al. | 2001-08-30 |
Developing device and process cartridge Grant 6,282,395 - Nittani , et al. August 28, 2 | 2001-08-28 |
Developing device holder having antenna contact mounting unit Grant 6,226,476 - Miyabe , et al. May 1, 2 | 2001-05-01 |
Toner container, toner container assembling method, process cartridge, and electrophotographic image forming apparatus Grant 6,215,969 - Nomura , et al. April 10, 2 | 2001-04-10 |
Developing device frame process cartridge and electrophotographic image forming apparatus Grant 6,169,865 - Miyabe , et al. January 2, 2 | 2001-01-02 |
Developing cartridge Grant 6,072,969 - Yokomori , et al. June 6, 2 | 2000-06-06 |
Cleaning frame, cleaning device, process cartridge and electrophotographic image forming apparatus with segregated waste toner container Grant 6,055,406 - Kawai , et al. April 25, 2 | 2000-04-25 |
Shutter, developing cartridge and electrophotographic image forming apparatus Grant 6,032,002 - Yokomori , et al. February 29, 2 | 2000-02-29 |
Developing cartridge and electrophotographic image forming apparatus Grant 6,029,027 - Yokomori , et al. February 22, 2 | 2000-02-22 |
Process cartridge and remanufacturing method Grant 6,029,031 - Yokomori , et al. February 22, 2 | 2000-02-22 |
Developing cartridge and image forming apparatus Grant 6,002,898 - Yokomori , et al. December 14, 1 | 1999-12-14 |
Process cartridge, assembling method for process cartridge and grounding member Grant 5,953,562 - Kawaguchi , et al. September 14, 1 | 1999-09-14 |
Developing cartridge Grant 5,950,049 - Yokomori , et al. September 7, 1 | 1999-09-07 |
Toner accommodating container with a gripping cover feature usable with a process cartridge, a process cartridge using the same, and an apparatus using the process cartridge Grant 5,943,528 - Akutsu , et al. August 24, 1 | 1999-08-24 |
Developing cartridge Grant 5,940,657 - Yokomori , et al. August 17, 1 | 1999-08-17 |
Toner container, toner container assembling method, process cartridge, and electrophotographic image forming apparatus Grant 5,878,309 - Nomura , et al. March 2, 1 | 1999-03-02 |
Process cartridge and refilling method therefor Grant 5,839,028 - Nomura , et al. November 17, 1 | 1998-11-17 |
Developing apparatus Grant 5,815,782 - Yokomori , et al. September 29, 1 | 1998-09-29 |