Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10162296 | Transport monitoring control device and image forming apparatus | Hidehiko Yamaguchi, Kozo Tagawa, Tsuyoshi Sunohara | 2018-12-25 |
| 10025237 | Image forming apparatus and recording medium transport apparatus | Tsuyoshi Sunohara, Takahito Chiba, Hidehiko Yamaguchi | 2018-07-17 |
| 9857750 | Transport monitoring control device and image forming apparatus | Hidehiko Yamaguchi, Kozo Tagawa, Tsuyoshi Sunohara | 2018-01-02 |
| 9854119 | Image reading apparatus, image reading method, and non-transitory computer readable medium | Kiyofumi Aikawa, Masaki HACHISUGA, Takashi Hiramatsu, Kazuya Fukunaga, Michio Kikuchi | 2017-12-26 |
| 9783382 | Transport device and image forming apparatus | Takanori Morino, Hidehiko Yamaguchi, Tsuyoshi Sunohara, Takahito Chiba | 2017-10-10 |
| 9776816 | Transport device provided with mechanism for deriving thickness of recording medium to be transported, and image forming apparatus provided with same | Hidehiko Yamaguchi, Takanori Morino, Tsuyoshi Sunohara, Takahito Chiba | 2017-10-03 |
| 9758326 | Transport device and image forming apparatus | Hidehiko Yamaguchi, Takanori Morino, Tsuyoshi Sunohara, Takahito Chiba | 2017-09-12 |
| 9658589 | Transporting device, fixing device, and image forming apparatus | Takahito Chiba, Tsuyoshi Sunohara, Hidehiko Yamaguchi | 2017-05-23 |
| 9544472 | Image reading device and image forming apparatus performing image correction using color patches on a curved surface | Kazuya Fukunaga, Kiyofumi Aikawa, Takashi Hiramatsu, Masaki HACHISUGA, Michio Kikuchi | 2017-01-10 |
| 9522799 | Transport device and transport system | Masaki HACHISUGA, Takao Furuya, Seigo Makida, Kazuya Fukunaga, Takashi Hiramatsu +2 more | 2016-12-20 |
| 9288351 | Image reading apparatus | Masaki HACHISUGA, Michio Kikuchi, Kiyofumi Aikawa, Takashi Hiramatsu, Kazuya Fukunaga | 2016-03-15 |
| 9264568 | Image reading apparatus and medium | Kiyofumi Aikawa, Michio Kikuchi, Masaki HACHISUGA, Takashi Hiramatsu, Kazuya Fukunaga | 2016-02-16 |
| 8229309 | Image forming device, computer readable medium and photoreceptor deterioration condition estimation method | Tomohiro Ono, Shinya Makiura, Tomokazu Kurita, Hiroki Ando, Toshie Nakamoto +1 more | 2012-07-24 |
| 7831157 | Total layer thickness detection apparatus, charging device, image forming apparatus, total layer thickness detection method and computer readable medium storing program for total layer thickness detection | Hidehiko Yamaguchi, Chikaho Ikeda, Masao Ohmori | 2010-11-09 |
| 7693433 | Image forming apparatus and layer thickness calculating method | Masao Ohmori, Chikaho Ikeda, Hidehiko Yamaguchi | 2010-04-06 |
| 7542689 | Charging device, image forming apparatus, computer readable medium storing charging control program and method for charging control | Akihiro Ida, Yoshihisa Kitano, Takuro Hagiwara, Chikaho Ikeda, Hidehiko Yamaguchi +1 more | 2009-06-02 |
| 7426351 | Image forming apparatus and layer thickness calculating method | Hidehiko Yamaguchi, Chikaho Ikeda, Masao Ohmori | 2008-09-16 |
| 7403723 | Image forming apparatus with measuring technique | Chikaho Ikeda, Hidehiko Yamaguchi, Masao Ohmori | 2008-07-22 |
| 7224380 | Light-emitting device driver and image forming apparatus | Hidehiko Yamaguchi, Chikaho Ikeda, Masao Ohmori | 2007-05-29 |
| 5877886 | Optical beam scanning method and apparatus, and image forming method and apparatus | Akira Ishii, Kenji Ogi, Koichiro Shinohara, Masahiro Takamatsu | 1999-03-02 |
| 5862257 | Image processing apparatus and image forming apparatus | Hiroshi Sekine, Akira Ishii, Kenji Ogi, Kazuyasu Sasuga | 1999-01-19 |
| 5856841 | Image formation method and image formation apparatus for forming a high definition and high quality image | Koichiro Shinohara, Masahiro Takamatsu, Akira Ishii, Kenji Ogi | 1999-01-05 |
| 5784495 | Image processing device for producing a variable period pulse-width modulated binary image signal | — | 1998-07-21 |