Issued Patents All Time
Showing 151–160 of 160 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6898391 | Process cartridge, electric contact and electrophotographic image forming apparatus | Atsushi Numagami, Kazunari Murayama, Shigeru Hoashi | 2005-05-24 |
| 6834175 | Developer agitating member | Kazunari Murayama, Masahide Kinoshita, Atsushi Numagami, Seiji Yamaguchi, Masao Uyama | 2004-12-21 |
| 6829455 | Driving force transmission mechanism, image forming apparatus equipped with such a mechanism, and process unit of such an apparatus | Takeshi Yasumoto, Akio Ono, Atsushi Numagami, Yukihiro Fujiwara, Kazunari Murayama +1 more | 2004-12-07 |
| 6823153 | DEVELOPING DEVICE AND PROCESS CARTRIDGE COMPRISING FIRST AND SECOND SEALING MEMBERS AND ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS COMPRISING A DEVELOPING DEVICE COMPRISING FIRST AND SECOND SEALING MEMBERS | Kazunari Murayama, Nobuharu Hoshi | 2004-11-23 |
| 6714752 | Process cartridge, load producing member and electrophotographic image forming apparatus | Atsushi Numagami, Kazunari Murayama, Shigeru Hoashi | 2004-03-30 |
| D478614 | Image forming apparatus | Atsushi Numagami, Kazunari Murayama | 2003-08-19 |
| 6608980 | Electrophotographic image forming apparatus to which a process cartridge is detachably mountable and process cartridge comprising cartridge drum positioning portion or recess | Kazunari Murayama, Hisayoshi Kojima, Atsushi Numagami | 2003-08-19 |
| 6587660 | Developing apparatus | Hisayoshi Kojima, Kazunari Murayama, Tadashi Horikawa | 2003-07-01 |
| 6463242 | Developing device, process cartridge and electrophotographic image forming apparatus | Hisayoshi Kojima, Atsushi Numagami, Kazunari Murayama | 2002-10-08 |
| 6385416 | Space securing member, developing device, charging device and process cartridge | Tadashi Horikawa, Atsushi Numagami, Kazunari Murayama | 2002-05-07 |