Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10069621 | Offset value correction device and offset value correction method for correcting offset value in received signal | — | 2018-09-04 |
| 7366452 | Developer supply container and electrophotographic image forming apparatus | Atsushi Numagami, Takahito Ueno | 2008-04-29 |
| 7315710 | Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatus | Takahito Ueno, Atsushi Numagami, Isao Koishi, Shigeo Miyabe | 2008-01-01 |
| 7184690 | Electrophotographic photosensitive drum supporting apparatus, process cartridge and electrophotographic image forming apparatus | Takahito Ueno, Atsushi Numagami, Isao Koishi, Shigeo Miyabe | 2007-02-27 |
| 7174122 | Developer supply container and electrophotographic image forming apparatus | Atsushi Numagami, Takahito Ueno | 2007-02-06 |
| 7139502 | Process cartridge and electrophotographic image forming apparatus | Isao Koishi, Takahito Ueno | 2006-11-21 |
| 7003233 | Image forming apparatus with a toner replenishing control feature based on stored toner density and fluidity information, related method, and developing agent replenishing container for same | Kenji Matsuda, Hisayoshi Kojima | 2006-02-21 |
| 6980755 | Recycling method for developer supplying unit including the step of driving a feeding member in a direction to feed developer from a developer supply port to a developer accommodating portion | Atsushi Numagami, Kenji Matsuda | 2005-12-27 |
| 6970668 | Method of reproducing process cartridge | Takahito Ueno, Atsushi Numagami | 2005-11-29 |
| 6968147 | Process cartridge whose sealing tape is removed when mounted to image forming apparatus and image forming apparatus to which the cartridge is mounted | Kenji Matsuda | 2005-11-22 |
| 6968141 | Remanufacturing method for toner supply container | Atsushi Numagami, Takahito Ueno | 2005-11-22 |
| 6968146 | Developer supply container and electrophotographic image forming apparatus | Atsushi Numagami, Takahito Ueno | 2005-11-22 |
| 6954601 | Process cartridge and electrophotographic image forming apparatus | Atsushi Numagami, Takahito Ueno | 2005-10-11 |
| 6954600 | Electric contact member applying voltage to charger, process cartridge, and image forming apparatus | Atsushi Numagami, Takahito Ueno | 2005-10-11 |
| 6873815 | Part of an image forming apparatus and a unit having a groove covered with a brush member | Kenji Matsuda, Nobuharu Hoshi | 2005-03-29 |
| 6865357 | Drive transmission mechanism for transmitting drive to processing means and cartridge provided with same | Kenji Matsuda, Nobuharu Hoshi | 2005-03-08 |
| 6754461 | Developer charging device | Nobuharu Hoshi, Kenji Matsuda | 2004-06-22 |
| 6701113 | Developer carrying member, developer replenishment container and image forming apparatus | Kenji Matsuda, Nobuharu Hoshi | 2004-03-02 |
| D478616 | Toner cartridge | Kenji Matsuda | 2003-08-19 |
| 6556800 | Developer supply container and image forming apparatus capable of mounting the container thereon | Kenji Matsuda, Hironobu Isobe | 2003-04-29 |
| 6549735 | Developing apparatus with longitudinal end leakage preventing member in contact with smooth surface part of a developer carrying member | Kenji Matsuda, Tadashi Horikawa | 2003-04-15 |
| 6418292 | Developer replenishing container with movable shutter feature, cartridge and image forming apparatus employing developer replenishing container | Hironobu Isobe, Kenji Matsuda | 2002-07-09 |
| 6324370 | Electrophotographic image forming apparatus detachably mounting a developer replenishing container or in which a plurality of cartridges and developer replenishing containers are attachably and detachably positioned | Hironobu Isobe, Kenji Matsuda | 2001-11-27 |
| 6298203 | Developing apparatus featuring suppressed deviation of a positional relationship between a developer bearing member and a developer regulator member and method for assembling the apparatus | Kouji Hashimoto | 2001-10-02 |
| 6195515 | Developing apparatus including a seal member sandwiched between a developer bearing member and a leakage preventing member | Kenji Matsuda, Tadashi Horikawa | 2001-02-27 |