KAZUHIKO HIROOKA

Person

OOKA, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image processing system which forms two-color images
- Patent number 6,462,834
- Issue date Oct 8, 2002
- Canon Kabushiki Kaisha
- Masahito Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus with control of conveying speeds
- Patent number 6,397,035
- Issue date May 28, 2002
- Canon Kabushiki Kaisha
- Tatsuhito Kataoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet detecting apparatus with correction means for sheet surface c...
- Patent number 6,385,406
- Issue date May 7, 2002
- Canon Kabushiki Kaisha
- Yoshihiro Funamizu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying apparatus and image forming apparatus provided with...
- Patent number 6,311,039
- Issue date Oct 30, 2001
- Canon Kabushiki Kaisha
- Yoshihiro Funamizu
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus which outputs a color image by separating c...
- Patent number 6,134,023
- Issue date Oct 17, 2000
- Canon Kabushiki Kaisha
- Tetsuya Nozaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus
- Patent number 5,905,581
- Issue date May 18, 1999
- Canon Kabushiki Kaisha
- Tadashi Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus for receiving multicolor image informati...
- Patent number 5,734,484
- Issue date Mar 31, 1998
- Canon Kabushiki Kaisha
- Masahito Yamamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus having a function of turning on a power sup...
- Patent number 5,710,959
- Issue date Jan 20, 1998
- Canon Kabushiki Kaisha
- Kazuhiko Hirooka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus which outputs a color image by separating c...
- Patent number 5,699,167
- Issue date Dec 16, 1997
- Canon Kabushiki Kaisha
- Tetsuya Nozaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus with selectively controlled resolution
- Patent number 5,638,183
- Issue date Jun 10, 1997
- Canon Kabushiki Kaisha
- Kimiyoshi Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for forming images at different degrees of res...
- Patent number 5,574,563
- Issue date Nov 12, 1996
- Canon Kabushiki Kaisha
- Kimiyoshi Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus to form images onto a sheet a plurality of...
- Patent number 5,488,463
- Issue date Jan 30, 1996
- Canon Kabushiki Kaisha
- Mitsuo Nimura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus having a converter for image data character...
- Patent number 5,473,415
- Issue date Dec 5, 1995
- Canon Kabushiki Kaisha
- Kimiyoshi Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image processing method and apparatus for processing oversized orig...
- Patent number 5,465,163
- Issue date Nov 7, 1995
- Canon Kabushiki Kaisha
- Kunio Yoshihara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital/analog converter and image processing apparatus using the same
- Patent number 5,272,544
- Issue date Dec 21, 1993
- Canon Kabushiki Kaisha
- Masanori Sakai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus
- Patent number 5,253,082
- Issue date Oct 12, 1993
- Canon Kabushiki Kaisha
- Kimiyoshi Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 5,081,528
- Issue date Jan 14, 1992
- Canon Kabushiki Kaisha
- Kimiyoshi Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus responsive to environmental conditions
- Patent number 4,989,039
- Issue date Jan 29, 1991
- Canon Kabushiki Kaisha
- Kimiyoshi Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with detecting and controlling means
- Patent number 4,697,915
- Issue date Oct 6, 1987
- Canon Kabushiki Kaisha
- Kimiyoshi Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus
- Patent number 4,615,612
- Issue date Oct 7, 1986
- Canon Kabushiki Kaisha
- Akio Ohno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS WITH CONTROL OF CONVEYING SPEEDS.
- Publication number 20020018678
- Publication date Feb 14, 2002
- TATSUHITO KATAOKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

KAZUHIKO HIROOKA

Person

Patents Grantslast 30 patents

Image processing system which forms two-color images

Image forming apparatus with control of conveying speeds

Sheet detecting apparatus with correction means for sheet surface c...

Sheet conveying apparatus and image forming apparatus provided with...

Image forming apparatus which outputs a color image by separating c...

Image forming apparatus

Image processing apparatus for receiving multicolor image informati...

Image forming apparatus having a function of turning on a power sup...

Image forming apparatus which outputs a color image by separating c...

Image forming apparatus with selectively controlled resolution

Method and apparatus for forming images at different degrees of res...

Image forming apparatus to form images onto a sheet a plurality of...

Image forming apparatus having a converter for image data character...

Image processing method and apparatus for processing oversized orig...

Digital/analog converter and image processing apparatus using the same

Image forming apparatus

Image forming apparatus

Image forming apparatus responsive to environmental conditions

Image forming apparatus with detecting and controlling means

Color image forming apparatus

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS WITH CONTROL OF CONVEYING SPEEDS.