Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8161716 | Method of packaging a compressed filter tow bale | Hirofumi Tsujita | 2012-04-24 |
| 7942154 | Cigarette filter material and cigarette filter | Hiroki Taniguchi | 2011-05-17 |
| 7068955 | Image forming apparatus having developer amount detector | Shinya Yamamoto, Hiroshi Sasame, Kazushige Sakurai, Hiroaki Ogata, Tomomi Kakeshita | 2006-06-27 |
| 6925267 | MEMORY DEVICE STORING INFORMATION WARNING A USER ABOUT THE DEVELOPER-REMAINING AMOUNT, A PROCESS CARTRIDGE INCLUDING A MEMORY STORING SUCH INFORMATION, AND A CONTROL SYSTEM AND A MEMORY SYSTEM FOR WARNING A USER ABOUT THE DEVELOPER-REMAINING AMOUNT | Shinya Yamamoto, Hiroshi Sasame, Kazushige Sakurai, Hiroaki Ogata, Tomomi Kakeshita | 2005-08-02 |
| 6912366 | IMAGE FORMING APPARATUS COMPRISING MEANS FOR DETECTING AN AMOUNT OF DEVELOPER CONTAINED IN A DEVELOPER CONTAINER, A MEMORY FOR STORING THE AMOUNT DETECTED BY THE DETECTING MEANS, AND CONTROL MEANS FOR UPDATING THE INFORMATION STORED IN THE MEMORY | Shinya Yamamoto, Hiroshi Sasame, Kazushige Sakurai, Hiroaki Ogata, Tomomi Kakeshita | 2005-06-28 |
| 6785479 | Image forming apparatus having a control section for detecting an amount of developer and an amount detection method of developer of image forming apparatus | Norihito Naito, Hideki Matsumoto | 2004-08-31 |
| 6621989 | Image forming apparatus and a unit detachably mountable on an image forming apparatus comprising means for detecting the amount of developer contained in a developer container | Yasunao Otomo | 2003-09-16 |
| 6615001 | Cartridge, image forming apparatus and method of controlling the image forming apparatus | Yasunao Otomo | 2003-09-02 |
| 6477336 | Process cartridge and image forming apparatus having a developer amount detecting member | — | 2002-11-05 |
| 6400918 | Cleaning device and image forming apparatus using the cleaning device | Yasuyuki Ishii, Norihisa Hoshika, Takeo Shoji | 2002-06-04 |
| 6253044 | Image forming apparatus having blade cleaning device applied thereto, and process cartridge | Takeo Shoji | 2001-06-26 |
| 5835818 | Service life informing device for charged member, informing method thereof, process cartridge and image forming apparatus | Norihisa Hoshika, Takeo Shoji, Yasuyuki Ishii, Hiroaki Ogata, Eiichiro Teshima | 1998-11-10 |
| 5740509 | Magnet roller and developing device | Takeo Shoji, Gaku Konishi | 1998-04-14 |
| 5126800 | Process cartridge and image forming apparatus usable with same featuring selectively engageable drive mechanism | Kazuo Shishido, Tadayuki Tsuda, Makoto Tanaka, Shinichi Sasaki | 1992-06-30 |
| 5095335 | Copier with retractable charging unit to prevent damage to drum when removing process cartridge | Kazushi Watanabe, Norihisa Hoshika, Masahide Kinoshita, Takeo Shoji | 1992-03-10 |
| 4823689 | Elastic roller with internal openings for use with image forming apparatus | Kazuo Kishino, Takao Tanaka, Michio Shigenobu, Hiromitsu Hirabayashi, Kensaku Kusaka | 1989-04-25 |