Takahiro Yagishita

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus, system, and method of controlling display, and recording...
- Patent number 10,241,565
- Issue date Mar 26, 2019
- Ricoh Company, Ltd.
- Hiroshi Yamaguchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System, information processing apparatus, and information processin...
- Patent number 9,535,538
- Issue date Jan 3, 2017
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing device, system, and information processing m...
- Patent number 9,471,983
- Issue date Oct 18, 2016
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing apparatus, computer-readable recording medium, and...
- Patent number 9,417,712
- Issue date Aug 16, 2016
- Ricoh Company, Ltd.
- Takahiro Yagishita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus, image forming system, information processi...
- Patent number 8,717,591
- Issue date May 6, 2014
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing device, additional information providing method, a...
- Patent number 8,472,085
- Issue date Jun 25, 2013
- Ricoh Company, Ltd.
- Taeko Ishizu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Information processing device, information embedding method, and pr...
- Patent number 8,149,451
- Issue date Apr 3, 2012
- Ricoh Company, Ltd.
- Takayuki Hara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for detecting document tampering
- Patent number 7,773,255
- Issue date Aug 10, 2010
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing apparatus, program, and storage medium that can se...
- Patent number 7,502,488
- Issue date Mar 10, 2009
- Ricoh Company, Ltd.
- Yasushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing method and apparatus, and computer-readable storag...
- Patent number 7,492,951
- Issue date Feb 17, 2009
- Ricoh Company, Ltd.
- Takahiro Yagishita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing device forming an image of stored image data toget...
- Patent number 7,486,411
- Issue date Feb 3, 2009
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image encoding method, image encoding apparatus and storage medium
- Patent number 7,277,585
- Issue date Oct 2, 2007
- Ricoh Company, Ltd.
- Takahiro Yagishita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image encoding method and apparatus, image decoding method and appa...
- Patent number 7,221,483
- Issue date May 22, 2007
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color image processing apparatus and color image processing method
- Patent number 7,155,059
- Issue date Dec 26, 2006
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Efficient coding of color images including monochrome images
- Patent number 7,046,387
- Issue date May 16, 2006
- Ricoh Company, Ltd.
- Takahiro Yagishita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing system for compressing image data including binary...
- Patent number 6,985,634
- Issue date Jan 10, 2006
- Ricoh Company, Ltd.
- Nekka Matsuura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Coding apparatus, decoding apparatus, coding method, decoding metho...
- Patent number 6,788,811
- Issue date Sep 7, 2004
- Ricoh Company, Ltd.
- Nekka Matsuura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing system for compressing image data including binary...
- Patent number 6,714,685
- Issue date Mar 30, 2004
- Ricoh Company, Ltd.
- Nekka Matsuura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing system and image processing method
- Patent number 6,704,455
- Issue date Mar 9, 2004
- Ricoh Company, Ltd.
- Yukiko Yamazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color image processing apparatus and color image processing method
- Patent number 6,704,444
- Issue date Mar 9, 2004
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image data encoding apparatus
- Patent number 6,683,990
- Issue date Jan 27, 2004
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing system for compressing image data including binary...
- Patent number 6,603,884
- Issue date Aug 5, 2003
- Ricoh Company, Ltd.
- Nekka Matsuura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for image processing for performing a color co...
- Patent number 6,556,707
- Issue date Apr 29, 2003
- Ricoh Company, Ltd.
- Takahiro Yagishita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing method and apparatus to select a data compression...
- Patent number 6,519,052
- Issue date Feb 11, 2003
- Ricoh Co., Ltd.
- Shogo Oneda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image data encoding apparatus
- Patent number 6,507,674
- Issue date Jan 14, 2003
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color image processing apparatus and color image processing method
- Patent number 6,480,623
- Issue date Nov 12, 2002
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing system for compressing image data including binary...
- Patent number 6,459,816
- Issue date Oct 1, 2002
- Ricoh Company, Ltd.
- Nekka Matsuura
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus which forms an image based on bit map data
- Patent number 5,923,828
- Issue date Jul 13, 1999
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus capable of producing high quality halftone...
- Patent number 5,565,907
- Issue date Oct 15, 1996
- Ricoh Company, Ltd.
- Shinichiro Wada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Light quantity setting value determination with improved reliability
- Patent number 5,491,506
- Issue date Feb 13, 1996
- Ricoh Company, Ltd.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
APPARATUS, SYSTEM, AND METHOD OF CONTROLLING DISPLAY, AND RECORDING...
- Publication number 20150370318
- Publication date Dec 24, 2015
- Hiroshi YAMAGUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM, INFORMATION PROCESSING APPARATUS, AND INFORMATION PROCESSIN...
- Publication number 20140253511
- Publication date Sep 11, 2014
- Takahiro YAGISHITA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING DEVICE, SYSTEM, AND INFORMATION PROCESSING M...
- Publication number 20140205151
- Publication date Jul 24, 2014
- Takahiro YAGISHITA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE PROCESSING APPARATUS, COMPUTER-READABLE RECORDING MEDIUM, AND...
- Publication number 20130307773
- Publication date Nov 21, 2013
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE PROCESSING SYSTEM AND IMAGE PROCESSING APPARATUS
- Publication number 20120236344
- Publication date Sep 20, 2012
- RICOH COMPANY, LTD.
- Tatsuya NAGASE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image forming apparatus, image forming system, information processi...
- Publication number 20110051173
- Publication date Mar 3, 2011
- RICOH COMPANY, LTD.
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE PROCESSING DEVICE, ADDITIONAL INFORMATION PROVIDING METHOD, A...
- Publication number 20100046044
- Publication date Feb 25, 2010
- Taeko ISHIZU
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION EMBEDDING METHOD, AND PR...
- Publication number 20090021794
- Publication date Jan 22, 2009
- Takayuki Hara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing apparatus and image processing method
- Publication number 20070071283
- Publication date Mar 29, 2007
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing apparatus, program, and storage medium that can se...
- Publication number 20040208339
- Publication date Oct 21, 2004
- Yasushi Abe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Apparatus for and method of processing image, and computer product
- Publication number 20040179239
- Publication date Sep 16, 2004
- Yukiko Yamazaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processing apparatus, image data processing method, and recor...
- Publication number 20040170329
- Publication date Sep 2, 2004
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing method and apparatus, and computer-readable storag...
- Publication number 20040131265
- Publication date Jul 8, 2004
- Takahiro Yagishita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Color image processing apparatus and color image processing method
- Publication number 20040130738
- Publication date Jul 8, 2004
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing system for compressing image data including binary...
- Publication number 20040114819
- Publication date Jun 17, 2004
- NEKKA MATSUURA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing apparatus, method and computer program for embeddi...
- Publication number 20040071364
- Publication date Apr 15, 2004
- Yukiko Yamazaki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing system for compressing image data including binary...
- Publication number 20030198397
- Publication date Oct 23, 2003
- NEKKA MATSUURA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image data encoding apparatus
- Publication number 20030128881
- Publication date Jul 10, 2003
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing device forming an image of stored image data toget...
- Publication number 20030048923
- Publication date Mar 13, 2003
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Color image processing apparatus and color image processing method
- Publication number 20030039390
- Publication date Feb 27, 2003
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing system for compressing image data including binary...
- Publication number 20030012445
- Publication date Jan 16, 2003
- NEKKA MATSUURA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image encoding method, image encoding apparatus and storage medium
- Publication number 20020191224
- Publication date Dec 19, 2002
- Takahiro Yagishita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processing system for compressing image data including binary...
- Publication number 20020191855
- Publication date Dec 19, 2002
- NEKKA MATSUURA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image encoding method and apparatus, image decoding method and appa...
- Publication number 20020031276
- Publication date Mar 14, 2002
- Takahiro Yagishita
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE PROCESSING SYSTEM FOR COMPRESSING IMAGE DATA INCLUDING BINARY...
- Publication number 20010043752
- Publication date Nov 22, 2001
- NEKKA MATSUURA
- G06 - COMPUTING CALCULATING COUNTING

Takahiro Yagishita

Person

Patents Grantslast 30 patents

Apparatus, system, and method of controlling display, and recording...

System, information processing apparatus, and information processin...

Information processing device, system, and information processing m...

Image processing apparatus, computer-readable recording medium, and...

Image forming apparatus, image forming system, information processi...

Image processing device, additional information providing method, a...

Information processing device, information embedding method, and pr...

Apparatus and method for detecting document tampering

Image processing apparatus, program, and storage medium that can se...

Image processing method and apparatus, and computer-readable storag...

Image processing device forming an image of stored image data toget...

Image encoding method, image encoding apparatus and storage medium

Image encoding method and apparatus, image decoding method and appa...

Color image processing apparatus and color image processing method

Efficient coding of color images including monochrome images

Image processing system for compressing image data including binary...

Coding apparatus, decoding apparatus, coding method, decoding metho...

Image processing system for compressing image data including binary...

Image processing system and image processing method

Color image processing apparatus and color image processing method

Image data encoding apparatus

Image processing system for compressing image data including binary...

Method and apparatus for image processing for performing a color co...

Image processing method and apparatus to select a data compression...

Image data encoding apparatus

Color image processing apparatus and color image processing method

Image processing system for compressing image data including binary...

Image forming apparatus which forms an image based on bit map data

Image forming apparatus capable of producing high quality halftone...

Light quantity setting value determination with improved reliability

Patents Applicationslast 30 patents

APPARATUS, SYSTEM, AND METHOD OF CONTROLLING DISPLAY, AND RECORDING...

SYSTEM, INFORMATION PROCESSING APPARATUS, AND INFORMATION PROCESSIN...

INFORMATION PROCESSING DEVICE, SYSTEM, AND INFORMATION PROCESSING M...

IMAGE PROCESSING APPARATUS, COMPUTER-READABLE RECORDING MEDIUM, AND...

IMAGE PROCESSING SYSTEM AND IMAGE PROCESSING APPARATUS

Image forming apparatus, image forming system, information processi...

IMAGE PROCESSING DEVICE, ADDITIONAL INFORMATION PROVIDING METHOD, A...

INFORMATION PROCESSING DEVICE, INFORMATION EMBEDDING METHOD, AND PR...

Image processing apparatus and image processing method

Image processing apparatus, program, and storage medium that can se...

Apparatus for and method of processing image, and computer product

Image processing apparatus, image data processing method, and recor...

Image processing method and apparatus, and computer-readable storag...

Color image processing apparatus and color image processing method

Image processing system for compressing image data including binary...

Image processing apparatus, method and computer program for embeddi...

Image processing system for compressing image data including binary...

Image data encoding apparatus

Image processing device forming an image of stored image data toget...

Color image processing apparatus and color image processing method

Image processing system for compressing image data including binary...

Image encoding method, image encoding apparatus and storage medium

Image processing system for compressing image data including binary...

Image encoding method and apparatus, image decoding method and appa...

IMAGE PROCESSING SYSTEM FOR COMPRESSING IMAGE DATA INCLUDING BINARY...