Issued Patents All Time
Showing 1–25 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8150301 | Developing apparatus | Motoki Adachi, Hideo Kihara | 2012-04-03 |
| 7286788 | Image forming apparatus | Masaki Ojima, Motoki Adachi, Masao Uyama, Kazuhiro Okubo | 2007-10-23 |
| 7181147 | Image forming apparatus, developing unit and storage medium | Seiji Yamaguchi | 2007-02-20 |
| 7162167 | Image forming apparatus, method of adjusting developing unit of the apparatus, developing unit, and storage medium | Kenichi Iida, Masao Uyama, Motoki Adachi | 2007-01-09 |
| 7110684 | Cartridge for replenishing developer including a memory device and a control system featuring the cartridge | Hironobu Isobe, Koichi Hiroshima, Ryuichi Yoshizawa | 2006-09-19 |
| 7058338 | Image forming apparatus with reciprocating dispersing feature | Masaki Ojima, Motoki Adachi, Masao Uyama, Kazuhiro Okubo | 2006-06-06 |
| 7035573 | Developing apparatus having developer carrying screw with a plurality of inclination angles | Seiji Yamaguchi, Atsushi Numagami, Kazunari Murayama, Takahito Ueno, Masao Uyama | 2006-04-25 |
| 6999689 | Image forming apparatus and method of controlling same | Masao Uyama, Kenichi Iida | 2006-02-14 |
| 6978099 | Developing apparatus, process cartridge, and electrophotographic image forming apparatus including an elastic member preventing a gap between a developing agent carrier and a layer thickness limiter from changing, and an electrophotographic image forming apparatus detachably mounting such process cartridge | Takahito Ueno, Atsushi Numagami, Kazunari Murayama, Seiji Yamaguchi, Masao Uyama | 2005-12-20 |
| 6963707 | Image forming apparatus including first and second auxiliary residual developer charging features | Masaki Ojima, Motoki Adachi, Masao Uyama, Kazuhiro Okubo | 2005-11-08 |
| 6957023 | Image forming apparatus, developing unit and storage medium | Seiji Yamaguchi | 2005-10-18 |
| 6947677 | Image forming apparatus with developing apparatus and method thereof | Masao Uyama, Atsushi Numagami, Kazunari Murayama, Seiji Yamaguchi, Takahito Ueno | 2005-09-20 |
| 6928253 | Image forming apparatus including toner charging member | Masaki Ojima, Motoki Adachi, Masao Uyama, Kazuhiro Okubo | 2005-08-09 |
| 6922539 | PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS IN WHICH THE CONTACT WIDTH OF A DEVELOPER CHARGER WITH AN IMAGE BEARING MEMBER IS GREATER THAN OR EQUAL TO THE SUM OF THE DEVELOPING WIDTH OF DEVELOPING MEANS AND THE WIDTH OF MOVEMENT OF THE DEVELOPER CHARGER | Masao Uyama, Masaki Ojima, Motoki Adachi, Kazuhiro Okubo | 2005-07-26 |
| 6904251 | Image forming apparatus including a transfer member made of a resin material for use with toner having a specified weight particle size distribution | Masao Uyama, Kenichi Iida | 2005-06-07 |
| 6834175 | Developer agitating member | Kazunari Murayama, Atsushi Numagami, Seiji Yamaguchi, Takahito Ueno, Masao Uyama | 2004-12-21 |
| 6807384 | Image forming apparatus | Kazuhiro Okubo, Masaki Ojima, Motoki Adachi, Masao Uyama | 2004-10-19 |
| 6754454 | Image forming apparatus capable of discriminating a service life of detachably mounted process unit | Koichi Hiroshima, Hironobu Isobe, Ryuichi Yoshizawa | 2004-06-22 |
| 6718144 | Image forming apparatus and process unit mountable to image forming apparatus | Koichi Hiroshima, Hironobu Isobe, Ryuichi Yoshizawa | 2004-04-06 |
| 6704521 | Image forming apparatus and image forming method | Hironobu Isobe, Koichi Hiroshima, Ryuichi Yoshizawa | 2004-03-09 |
| 6654566 | Developer agitating system, electrophotographic image forming apparatus and cartridge | Seiji Yamaguchi, Motoki Adachi | 2003-11-25 |
| 6640060 | Image forming apparatus with developer density and remaining amount detection | Seiji Yamaguchi, Masao Uyama | 2003-10-28 |
| 6421516 | Developing device and image forming apparatus having a restricted developer surface level feature | Seiji Yamaguchi, Motoki Adachi | 2002-07-16 |
| 6381419 | Image forming apparatus with developer density and developer remaining amount detection features | Koichi Hiroshima, Hironobu Isobe, Ryuichi Yoshizawa | 2002-04-30 |
| 6381431 | Charging apparatus including a magnetic brush with local anti-contamination feature | Seiji Yamaguchi | 2002-04-30 |