Issued Patents All Time
Showing 25 most recent of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11506993 | Toner cartridge and toner supplying mechanism | Takashi Kimura, Yosuke Kashiide | 2022-11-22 |
| 11366409 | Toner cartridge and toner supplying mechanism | Takashi Kimura, Yosuke Kashiide | 2022-06-21 |
| 11360408 | Toner cartridge and toner supplying mechanism | Takashi Kimura, Yosuke Kashiide | 2022-06-14 |
| 10884356 | Toner cartridge and toner supplying mechanism | Takashi Kimura, Yosuke Kashiide | 2021-01-05 |
| 10747144 | Toner cartridge and toner supplying mechanism | Takashi Kimura, Yosuke Kashiide | 2020-08-18 |
| 10613453 | Toner cartridge and toner supplying mechanism | Takashi Kimura, Yosuke Kashiide | 2020-04-07 |
| 7378088 | Base material for regenerating an air sinus and regeneration method thereof | Shin-ichi Kanemaru, Tatsuo Nakamura, Yasuhiko Shimizu | 2008-05-27 |
| D519150 | Image forming apparatus | Kanji Yokomori, Kazunari Murayama, Nobuharu Hoshi, Tatsuya Suzuki, Hideki Maeshima +2 more | 2006-04-18 |
| 7011829 | Tissue filler | Shin-ichi Kanemaru, Tatsuo Nakamura, Yasuhiko Shimizu | 2006-03-14 |
| 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, Akiyoshi Fujita | 2006-02-21 |
| 6839534 | Image forming apparatus and developer supply container removably mountable in image forming apparatus | Kenji Matsuda, Hironobu Isobe, Takashi Yahagi | 2005-01-04 |
| 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, Atsushi Numagami, Takahito Ueno | 2003-08-19 |
| 6587660 | Developing apparatus | Takahito Ueno, Kazunari Murayama, Tadashi Horikawa | 2003-07-01 |
| 6577831 | ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS TO WHICH A PROCESS CARTRIDGE IS DETACHABLY MOUNTABLE AND PROCESS CARTRIDGE HAVING A SUPPORTING MEMBER FOR ROTATABLY SUPPORTING A DEVELOPING ROLLER AT A POSITION AWAY FROM THE CENTER OF ROTATION THEREOF | Atsushi Numagami, Kazunari Murayama, Nobuharu Hoshi | 2003-06-10 |
| 6564029 | Cartridge having developer supply opening and image forming apparatus usable therewith | Hironobu Isobe, Kenji Matsuda, Takashi Yahagi | 2003-05-13 |
| 6463233 | Process cartridge having first and second cartridge guiding portions and an electrophotographic image forming apparatus to which the process cartridge is attached | Hironobu Isobe, Atsushi Numagami, Kazunari Murayama, Nobuharu Hoshi | 2002-10-08 |
| 6463242 | Developing device, process cartridge and electrophotographic image forming apparatus | Atsushi Numagami, Kazunari Murayama, Takahito Ueno | 2002-10-08 |
| 6442359 | PROCESS CARTRIDGE DETACHABLY MOUNTABLE TO A MAIN ASSEMBLY OF AN ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS COMPRISING MEANS FOR ROTATING A CHARGING UNIT IF FIRST AND SECOND ROTATIONAL DIRECTIONS AND THE APPARATUS MOUNTING SUCH A PROCESS CARTRIDGE | Atsushi Numagami, Hironobu Isobe, Kazunari Murayama, Nobuharu Hoshi | 2002-08-27 |
| 6404996 | Electrophotographic apparatus having plural image forming modes, and a process cartridge applied to such electrophotographic apparatus | Tomonori Mori, Kazunari Murayama, Kazufumi Muto | 2002-06-11 |
| 6389250 | Developing device, process cartridge and electrophotographic image forming apparatus | Atsushi Numagami, Kazunari Murayama | 2002-05-14 |
| 6345164 | Shutter pin and developing cartridge | Kanji Yokomori, Kazuhiko Kanno | 2002-02-05 |
| 6314266 | Cleaning apparatus equipped with brush roller, process cartridge, and image forming apparatus | Kazunari Murayama, Tomonori Mori | 2001-11-06 |
| 6289189 | Process cartridge and electrophotographic image forming apparatus having a main assembly in which a cartridge coupling member is engageable with a main assembly coupling member to receive a driving force | Atsushi Numagami, Satoshi Sugita, Kazunari Murayama | 2001-09-11 |
| 6285851 | Cleaning apparatus which includes cleaning member, supporting portion and reinforcing member | Kazunari Murayama, Tomonori Mori | 2001-09-04 |
| 6266503 | Method for attaching electrostatic photosensitive drum method for replacing electrophotographic photosensitive drum and process cartridge | Kazunari Murayama, Tomonori Mori | 2001-07-24 |