Issued Patents All Time
Showing 1–25 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9849686 | Charging method and charging system | Yuki Kuwahara, Shigeru Tsuji, Takefumi Inui | 2017-12-26 |
| 7951434 | Polarizing plate and liquid crystal display device | — | 2011-05-31 |
| 7720400 | Image forming apparatus with cleaner that removes toner from intermediate transfer medium | Masahiro Maeda, Tatsuro Osawa | 2010-05-18 |
| 7680425 | Image forming apparatus and method for controlling tone characteristics based on tone-control patch image | Takashi Hama, Hidetsugu Shimura, Hiroshi Nakazato, Ken Ikuma, Hidenori Kin | 2010-03-16 |
| 7664412 | Image forming apparatus that adjusts operating conditions based on a density detection result of a patch image | Masahiro Maeda, Isao Inaba | 2010-02-16 |
| 7623801 | Image forming apparatus and control method thereof | Hidenori Kin, Hidetsugu Shimura, Shinsuke Yokote | 2009-11-24 |
| 7611760 | Cellulose acylate film, optical compensation film, polarizing plate and liquid crystal display | Hidenori Hayashi, Kunihiro Atsumi, Yutaka Nozoe | 2009-11-03 |
| 7609403 | Printing device with multiple recording agent cartridges and corresponding print management method | Osamu Ishibashi, Ken Yoshizuka, Hiroshi Tanaka | 2009-10-27 |
| 7597316 | Paper feeding method and paper feeder | Akinobu Nakahata, Tomoyuki Shiiya | 2009-10-06 |
| 7587150 | Image forming apparatus including plural developers and image forming method | — | 2009-09-08 |
| 7583399 | Printing device and print management method | Osamu Ishibashi, Ken Yoshizuka, Hiroshi Tanaka | 2009-09-01 |
| 7570892 | Image forming apparatus and control method of that apparatus | Hiroshi Nakazato, Ken Ikuma | 2009-08-04 |
| 7469110 | Image forming apparatus and method including canceling a power save mode | Hiroshi Nakazato, Ken Ikuma | 2008-12-23 |
| 7379679 | Image forming apparatus and method with plural developers each storing toner of the same color | Yoichi Yamada | 2008-05-27 |
| 7356272 | Image forming apparatus with developing roller that rotates during standby to ensure toner uniformity | Yoichi Yamada | 2008-04-08 |
| 7340188 | Image forming apparatus and system containing detachable developer containers | Yoichi Yamada | 2008-03-04 |
| 7317880 | Image forming device for controlling density adjustment based on a type of development unit | Ken Yoshizuka | 2008-01-08 |
| 7313343 | Image forming apparatus | Kuniaki Tanaka, Nobuyuki Mizushima, Hiroshi Miyazawa, Toshiya Takahata | 2007-12-25 |
| 7310487 | Image forming apparatus with controlled timing of contact of cleaning blade against intermediate transfer member | Nobuyuki Mizushima, Kuniaki Tanaka | 2007-12-18 |
| 7292806 | Image forming apparatus and an image forming method using a plurality of monochromatic developer cartridges | Ken Yoshizuka, Osamu Ishibashi | 2007-11-06 |
| 7289750 | Image forming apparatus and an image forming method using a plurality of monochromatic developer cartridges | Ken Ikuma | 2007-10-30 |
| 7286775 | Image formation device enabling switching display of remaining developing agent in monochrome printing mode | Kazuyoshi Utsumi, Ken Yoshizuka | 2007-10-23 |
| 7269362 | Image forming apparatus, control method and toner consumption calculating apparatus and method | Takashi Hama, Hidetsugu Shimura, Hidenori Kin, Hiroshi Nakazato | 2007-09-11 |
| 7251421 | Image forming apparatus for performing calibration without reducing throughput in printing | Ken Yoshizuka | 2007-07-31 |
| 7242872 | Image forming apparatus with changeover control for development cartridges | Katsumi Okamoto | 2007-07-10 |