Shinji Yamakawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Display Device
- Patent number 10,153,244
- Issue date Dec 11, 2018
- Japan Display Inc.
- Tetsuya Okamae
- G02 - OPTICS
Information Patent Grant
Image inspection apparatus, image forming apparatus, image inspecti...
- Patent number 8,917,903
- Issue date Dec 23, 2014
- Ricoh Company, Ltd.
- Shinji Yamakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image processing apparatus, image noise detecting method, and compu...
- Patent number 8,810,861
- Issue date Aug 19, 2014
- Ricoh Company, Limited
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image inspection apparatus, image inspection method, and computer p...
- Patent number 8,538,086
- Issue date Sep 17, 2013
- Ricoh Company, Limited
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus, image forming apparatus, image processi...
- Patent number 8,374,432
- Issue date Feb 12, 2013
- Ricoh Company, Limited
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing device, image compression method, image compressio...
- Patent number 8,055,084
- Issue date Nov 8, 2011
- Ricoh Company, Ltd.
- Fumihiro Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image-processing device processing image data by judging a detected...
- Patent number 7,663,783
- Issue date Feb 16, 2010
- Ricoh Company, Ltd.
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image-processing device processing image data by judging a detected...
- Patent number 7,139,100
- Issue date Nov 21, 2006
- Ricoh Company, Ltd.
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus including low-linear-density dot region...
- Patent number 7,085,013
- Issue date Aug 1, 2006
- Ricoh Company, Ltd.
- Shinji Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for processing character edge area data
- Patent number 6,965,695
- Issue date Nov 15, 2005
- Ricoh Company, Ltd.
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus including low-linear-density dot region...
- Patent number 6,655,861
- Issue date Dec 2, 2003
- Ricoh Company, Ltd.
- Shinji Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Original-discrimination system for discriminating special document,...
- Patent number 6,272,248
- Issue date Aug 7, 2001
- Ricoh Company, Ltd.
- Takashi Saitoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing apparatus and method for distinguishing alphanumer...
- Patent number 6,014,462
- Issue date Jan 11, 2000
- Ricoh Company, Ltd.
- Shinji Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image reading apparatus for correct positioning of color component...
- Patent number 5,892,595
- Issue date Apr 6, 1999
- Ricoh Company, Ltd.
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for forming an image on an image transfer medi...
- Patent number 5,862,434
- Issue date Jan 19, 1999
- Ricoh Company, Ltd.
- Shinji Yamakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and system for calibrating a color copier
- Patent number 5,809,366
- Issue date Sep 15, 1998
- Ricoh Company, Ltd.
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus
- Patent number 5,801,844
- Issue date Sep 1, 1998
- Ricoh Company, Ltd.
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Original-discrimination system for discriminating special document,...
- Patent number 5,751,854
- Issue date May 12, 1998
- Ricoh Company, Ltd.
- Takashi Saitoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing apparatus for flexibly changing image data using a...
- Patent number 5,565,993
- Issue date Oct 15, 1996
- Ricoh Company, Ltd.
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Composite image forming apparatus for automatically combining docum...
- Patent number 5,465,160
- Issue date Nov 7, 1995
- Ricoh Company, Ltd.
- Yasushi Kamo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming apparatus which adds identification information to re...
- Patent number 5,444,518
- Issue date Aug 22, 1995
- Ricoh Company, Ltd.
- Tadato Hashiguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus for preventing occurrence of moire in a...
- Patent number 5,333,211
- Issue date Jul 26, 1994
- Ricoh Company, Ltd.
- Yoshimichi Kanda
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Color image processor for creating shadows and masks
- Patent number 5,206,718
- Issue date Apr 27, 1993
- Ricoh Company, Ltd.
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image processing apparatus having shadow composition capability usi...
- Patent number 5,204,752
- Issue date Apr 20, 1993
- Ricoh Company, Ltd.
- Shinji Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image processing computer system optimized to reduce idle time of c...
- Patent number 4,942,542
- Issue date Jul 17, 1990
- Dainippon Screen Mfg. Co., Ltd.
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
DISPLAY DEVICE
- Publication number 20170285376
- Publication date Oct 5, 2017
- Japan Display Inc.
- Tetsuya OKAMAE
- G02 - OPTICS
Information Patent Application
IMAGE INSPECTION APPARATUS, IMAGE FORMING APPARATUS, IMAGE INSPECTI...
- Publication number 20130136314
- Publication date May 30, 2013
- Shinji YAMAKAWA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE PROCESSING APPARATUS, IMAGE NOISE DETECTING METHOD, AND COMPU...
- Publication number 20120293843
- Publication date Nov 22, 2012
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image inspection apparatus, image inspection method, and computer p...
- Publication number 20110052078
- Publication date Mar 3, 2011
- Ricoh Company, Limited
- Shinji Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image inspection system, image inspection method, and computer-read...
- Publication number 20100188714
- Publication date Jul 29, 2010
- Ricoh Company, Ltd.
- Shinji Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS, IMAGE PROCESSI...
- Publication number 20090324068
- Publication date Dec 31, 2009
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processing apparatus, image processing method and computer pr...
- Publication number 20080232683
- Publication date Sep 25, 2008
- Ricoh Company, Limited
- Hitoshi Itoh
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image processing device, image compression method, image compressio...
- Publication number 20070025627
- Publication date Feb 1, 2007
- Fumihiro Hasegawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image-processing device processing image data by judging a detected...
- Publication number 20060256383
- Publication date Nov 16, 2006
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processing apparatus including low-linear-density dot region...
- Publication number 20040061882
- Publication date Apr 1, 2004
- Shinji Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image-processing device processing image data by judging a detected...
- Publication number 20030048476
- Publication date Mar 13, 2003
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image processing apparatus including low-linear-density dot region...
- Publication number 20030035673
- Publication date Feb 20, 2003
- Shinji Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and system for processing character edge area data
- Publication number 20020031263
- Publication date Mar 14, 2002
- Shinji Yamakawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Shinji Yamakawa

Person

Patents Grantslast 30 patents

Display Device

Image inspection apparatus, image forming apparatus, image inspecti...

Image processing apparatus, image noise detecting method, and compu...

Image inspection apparatus, image inspection method, and computer p...

Image processing apparatus, image forming apparatus, image processi...

Image processing device, image compression method, image compressio...

Image-processing device processing image data by judging a detected...

Image-processing device processing image data by judging a detected...

Image processing apparatus including low-linear-density dot region...

Method and system for processing character edge area data

Image processing apparatus including low-linear-density dot region...

Original-discrimination system for discriminating special document,...

Image processing apparatus and method for distinguishing alphanumer...

Image reading apparatus for correct positioning of color component...

Method and apparatus for forming an image on an image transfer medi...

Method and system for calibrating a color copier

Image processing apparatus

Original-discrimination system for discriminating special document,...

Image processing apparatus for flexibly changing image data using a...

Composite image forming apparatus for automatically combining docum...

Image forming apparatus which adds identification information to re...

Image processing apparatus for preventing occurrence of moire in a...

Color image processor for creating shadows and masks

Image processing apparatus having shadow composition capability usi...

Image processing computer system optimized to reduce idle time of c...

Patents Applicationslast 30 patents

DISPLAY DEVICE

IMAGE INSPECTION APPARATUS, IMAGE FORMING APPARATUS, IMAGE INSPECTI...

IMAGE PROCESSING APPARATUS, IMAGE NOISE DETECTING METHOD, AND COMPU...

Image inspection apparatus, image inspection method, and computer p...

Image inspection system, image inspection method, and computer-read...

IMAGE PROCESSING APPARATUS, IMAGE FORMING APPARATUS, IMAGE PROCESSI...

Image processing apparatus, image processing method and computer pr...

Image processing device, image compression method, image compressio...

Image-processing device processing image data by judging a detected...

Image processing apparatus including low-linear-density dot region...

Image-processing device processing image data by judging a detected...

Image processing apparatus including low-linear-density dot region...

Method and system for processing character edge area data