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Patents Grants
last 30 patents
Information
Patent Grant
Driverless vehicle, and apparatus, system, and method of vehicle co...
Patent number
9,964,958
Issue date
May 8, 2018
Ricoh Company, Ltd.
Ryohta Morimoto
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Apparatus and a method for controlling a light source used for imag...
Patent number
8,587,843
Issue date
Nov 19, 2013
Ricoh Company, Ltd.
Takashi Enami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus, image forming method, and computer program...
Patent number
8,446,597
Issue date
May 21, 2013
Ricoh Company, Limited
Takashi Enami
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming method for image forming app...
Patent number
8,437,671
Issue date
May 7, 2013
Ricoh Company, Limited
Takahiro Miyakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming method, and computer program...
Patent number
8,369,756
Issue date
Feb 5, 2013
Ricoh Company, Limited
Jun Kosako
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming method for image forming app...
Patent number
8,364,063
Issue date
Jan 29, 2013
Ricoh Company, Limited
Shigeyuki Ishii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, and method and computer program product fo...
Patent number
8,335,446
Issue date
Dec 18, 2012
Ricoh Company, Ltd.
Nobuyuki Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming method, and program
Patent number
8,331,836
Issue date
Dec 11, 2012
Ricoh Company, Limited
Takahiro Kamekura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming method, and computer program...
Patent number
8,311,464
Issue date
Nov 13, 2012
Ricoh Company, Limited
Natsuko Kawase
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus capable of reducing a lengthy duration of a...
Patent number
8,155,543
Issue date
Apr 10, 2012
Ricoh Co., Ltd.
Hitoshi Ishibashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method, apparatus, and system for forming image
Patent number
8,052,144
Issue date
Nov 8, 2011
Ricoh Company, Ltd.
Masaru Kaneko
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Toner replenishment determination device of an image forming apparatus
Patent number
8,009,997
Issue date
Aug 30, 2011
Ricoh Company, Ltd.
Osamu Ariizumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color-image forming apparatus, image forming method, and computer p...
Patent number
7,941,082
Issue date
May 10, 2011
Ricoh Company, Limited
Jun Kosako
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus for correcting a toner density target value
Patent number
7,885,556
Issue date
Feb 8, 2011
Ricoh Company, Ltd.
Kohta Fujimori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for image forming capable of accurately detect...
Patent number
7,821,677
Issue date
Oct 26, 2010
Ricoh Company, Ltd.
Kayoko Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with a two component developer, toner densi...
Patent number
7,809,291
Issue date
Oct 5, 2010
Ricoh Company, Ltd.
Nobutaka Takeuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with toner density control
Patent number
7,747,182
Issue date
Jun 29, 2010
Ricoh Company, Ltd.
Shinji Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit and image forming apparatus which forces consumptio...
Patent number
7,672,602
Issue date
Mar 2, 2010
Ricoh Company, Limited
Osamu Ariizumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming device including a toner pattern forming unit
Patent number
7,664,413
Issue date
Feb 16, 2010
Ricoh Company, Limited
Kazumi Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
7,616,909
Issue date
Nov 10, 2009
Ricoh Company, Ltd.
Shinji Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and apparatus with improved conversion capabil...
Patent number
7,551,866
Issue date
Jun 23, 2009
Ricoh Company, Ltd.
Naoto Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and method of controlling an image quality
Patent number
7,551,864
Issue date
Jun 23, 2009
Ricoh Company, Ltd.
Kohta Fujimori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus effectively conducting a process control
Patent number
7,548,704
Issue date
Jun 16, 2009
Ricoh Co., Ltd.
Shin Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image density control method
Patent number
7,536,121
Issue date
May 19, 2009
Ricoh Company, Limited
Kiichirou Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image density control method and image forming apparatus
Patent number
7,515,844
Issue date
Apr 7, 2009
Ricoh Company, Ltd.
Kayoko Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and toner concentration controlling method
Patent number
7,493,058
Issue date
Feb 17, 2009
Ricoh Company, Ltd.
Nobutaka Takeuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image-information detecting device and image forming apparatus
Patent number
7,260,335
Issue date
Aug 21, 2007
Ricoh Company, Limited
Shinji Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for image forming capable of effectively detec...
Patent number
7,251,420
Issue date
Jul 31, 2007
Ricoh Company, Ltd.
Kohta Fujimori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for image forming capable of controlling image...
Patent number
7,228,081
Issue date
Jun 5, 2007
Ricoh Co., Ltd.
Shin Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image processing unit, and image forming m...
Patent number
7,062,185
Issue date
Jun 13, 2006
Ricoh Company, Ltd.
Manabu Izumikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
DIAGNOSTIC APPARATUS, IMAGE DIAGNOSTIC METHOD, AND NON-TRANSITORY S...
Publication number
20200236225
Publication date
Jul 23, 2020
Toshiyuki HONGO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DRIVERLESS VEHICLE, AND APPARATUS, SYSTEM, AND METHOD OF VEHICLE CO...
Publication number
20170192438
Publication date
Jul 6, 2017
RICOH COMPANY, LTD.
Ryohta Morimoto
B60 - VEHICLES IN GENERAL
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20110229219
Publication date
Sep 22, 2011
RICOH COMPANY, LTD.
Nobuyuki KOBAYASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM...
Publication number
20110085828
Publication date
Apr 14, 2011
Jun KOSAKO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM...
Publication number
20110013949
Publication date
Jan 20, 2011
Natsuko KAWASE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparaus, and method and computer program product for...
Publication number
20100322679
Publication date
Dec 23, 2010
Ricoh Company, Limited
Nobuyuki Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM...
Publication number
20100302569
Publication date
Dec 2, 2010
Takashi ENAMI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROGRAM
Publication number
20100303512
Publication date
Dec 2, 2010
Takahiro KAMEKURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD FOR IMAGE FORMING APP...
Publication number
20100303487
Publication date
Dec 2, 2010
Takahiro MIYAKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD FOR IMAGE FORMING APP...
Publication number
20100303514
Publication date
Dec 2, 2010
Shigeyuki ISHII
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
COLOR-IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER P...
Publication number
20100239294
Publication date
Sep 23, 2010
Jun KOSAKO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method, apparatus, and system for forming image
Publication number
20090073247
Publication date
Mar 19, 2009
Masaru Kaneko
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Apparatus and a method for controlling a light source used for imag...
Publication number
20080278774
Publication date
Nov 13, 2008
Takashi Enami
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
Publication number
20080025742
Publication date
Jan 31, 2008
Shinji Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS EFFECTIVELY CONDUCTING A PROCESS CONTROL
Publication number
20070230979
Publication date
Oct 4, 2007
Shin Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE DENSITY CONTROL METHOD AND IMAGE FORMING APPARATUS
Publication number
20070122168
Publication date
May 31, 2007
Kayoko Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING AN IMAGE QUALITY
Publication number
20070122171
Publication date
May 31, 2007
Kohta Fujimori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and image density control method
Publication number
20070122169
Publication date
May 31, 2007
Ricoh Company, Limited
Kiichirou Shimizu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20070116480
Publication date
May 24, 2007
Nobutaka Takeuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming device
Publication number
20070116483
Publication date
May 24, 2007
Ricoh Company, Limited
Kazumi Kobayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20070110457
Publication date
May 17, 2007
Shinji KATO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20070110455
Publication date
May 17, 2007
Osamu ARIIZUMI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing unit and image forming apparatus
Publication number
20070104499
Publication date
May 10, 2007
Osamu Ariizumi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20070065164
Publication date
Mar 22, 2007
Kohta Fujimori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and toner concentration controlling method
Publication number
20070036566
Publication date
Feb 15, 2007
Nobutaka Takeuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus capable of reducing a lengthy duration of a...
Publication number
20070025748
Publication date
Feb 1, 2007
Hitoshi Ishibashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming method and apparatus with improved conversion capabil...
Publication number
20070019976
Publication date
Jan 25, 2007
Naoto Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method and apparatus for image forming capable of accurately detect...
Publication number
20060274628
Publication date
Dec 7, 2006
Kayoko Tanaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image-information detecting device and image forming apparatus
Publication number
20060024076
Publication date
Feb 2, 2006
Shinji Kato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Method and apparatus for image forming capable of effectively detec...
Publication number
20060002724
Publication date
Jan 5, 2006
Kohta Fujimori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY