Hiroki Umezawa

Person

Izunokuni-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Print calibration processing apparatus, image forming apparatus, pr...
- Patent number 8,537,439
- Issue date Sep 17, 2013
- Kabushiki Kaisha Toshiba
- Hiroki Umezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Printing calibration processing apparatus, image forming apparatus,...
- Patent number 8,526,059
- Issue date Sep 3, 2013
- Kabushiki Kaisha Toshiba
- Norimasa Ariga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus and method
- Patent number 7,986,436
- Issue date Jul 26, 2011
- Kabushiki Kaisha Toshiba
- Hiroki Umezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for extracting grayscale data in accordance with...
- Patent number 7,679,782
- Issue date Mar 16, 2010
- Kabushiki Kaisha Toshiba
- Ronald J. Pellar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing apparatus, image processing method and image proce...
- Patent number 7,495,802
- Issue date Feb 24, 2009
- Kabushiki Kaisha Toshiba
- Hiroki Umezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for color transformation (conversion)
- Patent number 7,250,956
- Issue date Jul 31, 2007
- Kabushiki Kaisha Toshiba
- Takayuki Sawada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processor and color image processor
- Patent number 6,906,825
- Issue date Jun 14, 2005
- Toshiba Tec Kabushiki Kaisha
- Nobuhiko Nakahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processor and color image processor
- Patent number 6,714,320
- Issue date Mar 30, 2004
- Toshiba Tec Kabushiki Kaisha
- Nobuhiko Nakahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Color image generation apparatus and color image generation method
- Patent number 6,554,385
- Issue date Apr 29, 2003
- Toshiba Tec Kabushiki Kaisha
- Noriyuki Kikuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus
- Patent number 6,466,335
- Issue date Oct 15, 2002
- Toshiba Tec Kabushiki Kaisha
- Hiroki Umezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing method and device and image formation device
- Patent number 6,402,281
- Issue date Jun 11, 2002
- Toshiba Tec Kabushiki Kaisha
- Nobuhiko Nakahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image formation apparatus
- Patent number 6,213,585
- Issue date Apr 10, 2001
- Toshiba Tec Kabushiki Kaisha
- Noriyuki Kikuchi
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
PRINT CALIBRATION PROCESSING APPARATUS, IMAGE FORMING APPARATUS, PR...
- Publication number 20120038957
- Publication date Feb 16, 2012
- Toshiba Tec Kabushiki Kaisha
- Hiroki Umezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PRINTING CALIBRATION PROCESSING APPARATUS, IMAGE FORMING APPARATUS,...
- Publication number 20110304865
- Publication date Dec 15, 2011
- Toshiba Tec Kabushiki Kaisha
- Norimasa Ariga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PRINTING CALIBRATION PROCESSING APPARATUS, IMAGE FORMING APPARATUS,...
- Publication number 20110261404
- Publication date Oct 27, 2011
- Toshiba Tec Kabushiki Kaisha
- Hiroki Umezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE PROCESSING APPARATUS AND METHOD
- Publication number 20090290173
- Publication date Nov 26, 2009
- Kabushiki Kaisha Toshiba
- Hiroki UMEZAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE FORM...
- Publication number 20090237690
- Publication date Sep 24, 2009
- Kabushiki Kaisha Toshiba
- Hiroki Umezawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing apparatus, image processing method and image proce...
- Publication number 20070297667
- Publication date Dec 27, 2007
- KABUSHIKI KAISHA TOSHIBA
- Hiroki Umezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processing apparatus, image processing method and image proce...
- Publication number 20070285679
- Publication date Dec 13, 2007
- KABUSHIKI KAISHA TOSHIBA
- Hiroki Umezawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing apparatus and image processing method
- Publication number 20070230775
- Publication date Oct 4, 2007
- KABUSHIKI KAISHA TOSHIBA
- Norimasa Ariga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for extracting grayscale data in accordance with...
- Publication number 20070211266
- Publication date Sep 13, 2007
- Kabushiki Kaisha Toshiba
- Ronald J. Pellar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image forming apparatus and method
- Publication number 20060072134
- Publication date Apr 6, 2006
- Kabushiki Kaisha Toshiba
- Hiroki Umezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus and method
- Publication number 20060072135
- Publication date Apr 6, 2006
- Kabushiki Kaisha Toshiba
- Hiroki Umezawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for color transformation (conversion)
- Publication number 20050206651
- Publication date Sep 22, 2005
- Kabushiki Kaisha Toshiba
- Takayuki Sawada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Color image generation apparatus and color image generation method
- Publication number 20010030670
- Publication date Oct 18, 2001
- Toshiba Tec Kabushiki Kaisha
- Noriyuki Kikuchi
- G06 - COMPUTING CALCULATING COUNTING

Hiroki Umezawa

Person

Patents Grantslast 30 patents

Print calibration processing apparatus, image forming apparatus, pr...

Printing calibration processing apparatus, image forming apparatus,...

Image processing apparatus and method

System and method for extracting grayscale data in accordance with...

Image processing apparatus, image processing method and image proce...

Method and apparatus for color transformation (conversion)

Image processor and color image processor

Image processor and color image processor

Color image generation apparatus and color image generation method

Image forming apparatus

Image processing method and device and image formation device

Image formation apparatus

Patents Applicationslast 30 patents

PRINT CALIBRATION PROCESSING APPARATUS, IMAGE FORMING APPARATUS, PR...

PRINTING CALIBRATION PROCESSING APPARATUS, IMAGE FORMING APPARATUS,...

PRINTING CALIBRATION PROCESSING APPARATUS, IMAGE FORMING APPARATUS,...

IMAGE PROCESSING APPARATUS AND METHOD

IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE FORM...

Image processing apparatus, image processing method and image proce...

Image processing apparatus, image processing method and image proce...

Image processing apparatus and image processing method

System and method for extracting grayscale data in accordance with...

Image forming apparatus and method

Image forming apparatus and method

Method and apparatus for color transformation (conversion)

Color image generation apparatus and color image generation method