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Hiroyuki Shibaki
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image processing apparatus, image processing system, and image proc...
Patent number
8,223,401
Issue date
Jul 17, 2012
Ricoh Company, Limited
Noriko Miyagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing device, image forming apparatus including same, im...
Patent number
8,040,565
Issue date
Oct 18, 2011
Ricoh Company Limited
Hiroyuki Shibaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus and image processing method
Patent number
8,040,557
Issue date
Oct 18, 2011
Ricoh Company, Ltd.
Hiroyuki Shibaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus and method, and computer program product
Patent number
7,535,595
Issue date
May 19, 2009
Ricoh Company, Limited
Noriko Miyagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of, apparatus for, and computer program for image processing
Patent number
7,433,082
Issue date
Oct 7, 2008
Ricoh Company, Limited
Hirokazu Takenaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processor and image processing method for image enhancement u...
Patent number
7,423,781
Issue date
Sep 9, 2008
Ricoh Company, Ltd.
Etsuo Morimoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of and apparatus for image processing
Patent number
7,356,160
Issue date
Apr 8, 2008
Ricoh Company, Limited
Hiroyuki Shibaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing apparatus and method for accurately detecting char...
Patent number
7,355,755
Issue date
Apr 8, 2008
Ricoh Company, Ltd.
Tooru Suino
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method of and apparatus for image processing apparatus, and compute...
Patent number
7,327,874
Issue date
Feb 5, 2008
Ricoh Company, Ltd.
Hiroyuki Shibaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing based on degree of white-background likeliness
Patent number
7,221,799
Issue date
May 22, 2007
Ricoh Company, Ltd.
Hiromi Okubo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image processing apparatus and method for improving output image qu...
Patent number
7,170,642
Issue date
Jan 30, 2007
Ricoh Company, Ltd.
Etsuo Morimoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method, system, and apparatus for image forming and processing capa...
Patent number
7,088,472
Issue date
Aug 8, 2006
Ricoh Company, Ltd.
Hiromi Okubo
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image processing based on degree of white-background likeliness
Patent number
6,987,886
Issue date
Jan 17, 2006
Ricoh Company, Ltd.
Hiromi Okubo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Apparatus and method for forming an image by processing input image...
Patent number
6,731,817
Issue date
May 4, 2004
Ricoh Company, Ltd.
Hiroyuki Shibaki
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 forming apparatus with powder pump
Patent number
5,960,246
Issue date
Sep 28, 1999
Ricoh Company, Ltd.
Nobuo Kasahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming system
Patent number
5,797,074
Issue date
Aug 18, 1998
Ricoh Company, Ltd.
Nobuo Kasahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image fixing device for image forming apparatus
Patent number
5,708,949
Issue date
Jan 13, 1998
Ricoh Company, Ltd.
Nobuo Kasahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sheet feeder for an image forming apparatus
Patent number
5,482,265
Issue date
Jan 9, 1996
Ricoh Company, Ltd.
Yasushi Nakazato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sheet storing device with locking bins
Patent number
5,464,200
Issue date
Nov 7, 1995
Ricoh Company, Ltd.
Yasushi Nakazato
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
Image forming apparatus management system and image forming apparat...
Publication number
20090195813
Publication date
Aug 6, 2009
Ricoh Company, Ltd.
Hiroyuki Shibaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image processing apparatus, image processing system, and image proc...
Publication number
20090147313
Publication date
Jun 11, 2009
Ricoh Company, Limited
Noriko Miyagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE PROCESSING DEVICE, IMAGE FORMING APPARATUS INCLUDING SAME, IM...
Publication number
20090034002
Publication date
Feb 5, 2009
Hiroyuki Shibaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD
Publication number
20080144975
Publication date
Jun 19, 2008
RICOH COMPANY, LTD.
Hiroyuki SHIBAKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image processing apparatus and image forming apparatus
Publication number
20060279589
Publication date
Dec 14, 2006
Kei Yasutomi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image processing based on degree of white-background likeliness
Publication number
20060078220
Publication date
Apr 13, 2006
Hiromi Okubo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image processing apparatus, image processing method, and computer p...
Publication number
20050018258
Publication date
Jan 27, 2005
Noriko Miyagi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and apparatus for image processing and computer product
Publication number
20050018903
Publication date
Jan 27, 2005
Noriko Miyagi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image processing apparatus, image processing system, and computer p...
Publication number
20040257622
Publication date
Dec 23, 2004
Hiroyuki Shibaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image processing apparatus and method, and computer program product
Publication number
20040252316
Publication date
Dec 16, 2004
Noriko Miyagi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of, apparatus for, and computer program for image processing
Publication number
20040179237
Publication date
Sep 16, 2004
Hirokazu Takenaka
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image processing apparatus, image processing system, and image proc...
Publication number
20040165081
Publication date
Aug 26, 2004
Hiroyuki Shibaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of and apparatus for image processing
Publication number
20040165747
Publication date
Aug 26, 2004
Hiroyuki Shibaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method of, apparatus for image processing, and computer product
Publication number
20040125411
Publication date
Jul 1, 2004
Kazunari Tonami
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method of and apparatus for image processing apparatus, and compute...
Publication number
20040114815
Publication date
Jun 17, 2004
Hiroyuki Shibaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image processor and image processing method
Publication number
20030218776
Publication date
Nov 27, 2003
Etsuo Morimoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image processing apparatus and method for accurately detecting char...
Publication number
20030007186
Publication date
Jan 9, 2003
Tooru Suino
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image processing apparatus and method for improving output image qu...
Publication number
20020181024
Publication date
Dec 5, 2002
Etsuo Morimoto
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Apparatus and method for forming an image by processing input image...
Publication number
20010019632
Publication date
Sep 6, 2001
RICOH COMPANY, LTD.
Hiroyuki Shibaki
G06 - COMPUTING CALCULATING COUNTING