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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Conveyor and liquid discharge apparatus
Patent number
12,122,152
Issue date
Oct 22, 2024
Ricoh Company, Ltd.
Junichi Terai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Developing device, and process cartridge and image forming apparatu...
Patent number
9,658,576
Issue date
May 23, 2017
Ricoh Company, Ltd.
Hideki Kimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, process cartridge, and image forming apparatus i...
Patent number
9,529,297
Issue date
Dec 27, 2016
Ricoh Company, Ltd.
Hiroaki Okamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with removable unit and a connectable devic...
Patent number
9,507,313
Issue date
Nov 29, 2016
Ricoh Company, Ltd.
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit, process cartridge, and image forming apparatus
Patent number
9,395,652
Issue date
Jul 19, 2016
Ricoh Company, Ltd.
Hiroshi Kikuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner bottle driving device control method and image forming apparatus
Patent number
9,360,816
Issue date
Jun 7, 2016
Ricoh Company, Ltd.
Hiroyuki Mabuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Powder supply device and image forming apparatus incorporating same
Patent number
9,323,176
Issue date
Apr 26, 2016
Ricoh Company, Ltd.
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, image forming apparatus, and process cartridge
Patent number
8,554,119
Issue date
Oct 8, 2013
Ricoh Company, Ltd.
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus using same
Patent number
8,295,737
Issue date
Oct 23, 2012
Ricoh Company, Ltd.
Kiyonori Tsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer loading method, loaded developer accommodating container,...
Patent number
8,165,508
Issue date
Apr 24, 2012
Ricoh Company, Ltd.
Keiko Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, image forming apparatus and process cartridge in...
Patent number
8,145,101
Issue date
Mar 27, 2012
Ricoh Company, Ltd.
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner supply device and image forming apparatus that prevents toner...
Patent number
8,126,373
Issue date
Feb 28, 2012
Ricoh Company Limited
Kohichi Utsunomiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, process cartridge including developing device, a...
Patent number
8,032,055
Issue date
Oct 4, 2011
Ricoh Company, Ltd.
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing agent storage device and image forming apparatus having...
Patent number
8,014,704
Issue date
Sep 6, 2011
Ricoh Company, Ltd.
Keiko Matsumoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus
Patent number
7,937,027
Issue date
May 3, 2011
Ricoh Company Limited
Koichi Kato
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Information processing device and information processing method
Patent number
7,543,137
Issue date
Jun 2, 2009
Panasonic Corporation
Junichi Terai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Development apparatus, process cartridge, and image forming apparatus
Patent number
7,289,755
Issue date
Oct 30, 2007
Ricoh Company, Ltd.
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer regulating member, developing device, electrophotographic...
Patent number
7,043,182
Issue date
May 9, 2006
Ricoh Company, Ltd.
Kiyotaka Sakai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner scattering suppressing apparatus and image forming apparatus
Patent number
6,985,165
Issue date
Jan 10, 2006
Ricoh Company, Ltd.
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device and image forming apparatus using the same
Patent number
6,757,510
Issue date
Jun 29, 2004
Ricoh Company, Ltd.
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer carrier having grooves on surface thereof, developing dev...
Patent number
6,681,092
Issue date
Jan 20, 2004
Ricoh Company, Ltd.
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and developing apparatus preventing uneven...
Patent number
6,522,855
Issue date
Feb 18, 2003
Ricoh Company, Ltd.
Shunji Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and developing device with improved self to...
Patent number
6,337,957
Issue date
Jan 8, 2002
Ricoh Company, Ltd.
Shinji Tamaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner conveying method and device for an image forming apparatus
Patent number
5,848,326
Issue date
Dec 8, 1998
Ricoh Company, Ltd.
Ichiroh Komuro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Direct image recording apparatus using toner
Patent number
5,051,760
Issue date
Sep 24, 1991
Ricoh Company, Ltd.
Hisashi Shoji
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
SUPPORTING STRUCTURE FOR TEMPERATURE SENSOR AND DRYING DEVICE
Publication number
20230391107
Publication date
Dec 7, 2023
RICOH COMPANY, LTD.
Ken Onodera
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
CONVEYOR AND LIQUID DISCHARGE APPARATUS
Publication number
20230150282
Publication date
May 18, 2023
Junichi TERAI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PARKING DEVICE
Publication number
20160208916
Publication date
Jul 21, 2016
Aisin AW Co., Ltd.
Takahiro KOKUBU
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS I...
Publication number
20160202630
Publication date
Jul 14, 2016
Hiroaki OKAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20160202660
Publication date
Jul 14, 2016
Junichi TERAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATU...
Publication number
20160170329
Publication date
Jun 16, 2016
Hideki KIMURA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER BOTTLE DRIVING DEVICE CONTROL METHOD AND IMAGE FORMING APPARATUS
Publication number
20160170356
Publication date
Jun 16, 2016
Hiroyuki MABUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
Publication number
20160070208
Publication date
Mar 10, 2016
RICOH COMPANY, LTD.
Hiroshi KIKUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
Publication number
20160041498
Publication date
Feb 11, 2016
Junichi TERAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
Publication number
20110123234
Publication date
May 26, 2011
Junichi TERAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER SUPPLY DEVICE AND IMAGE FORMING APPARATUS
Publication number
20090087214
Publication date
Apr 2, 2009
Kohichi Utsunomiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20090080943
Publication date
Mar 26, 2009
Koichi KATO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE INCLUDING DEVELOPING DEVICE, A...
Publication number
20090067877
Publication date
Mar 12, 2009
Junichi TERAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE, IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Publication number
20080317508
Publication date
Dec 25, 2008
Junichi TERAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE QUALITY ADJUSTMENT DEVICE AND IMAGE QUALITY ADJUSTMENT METHOD
Publication number
20080278629
Publication date
Nov 13, 2008
Matsushita Electric Industrial Co., Ltd.
Satoshi YAMADA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DEVELOPING AGENT STORAGE DEVICE AND IMAGE FORMING APPARATUS HAVING...
Publication number
20080279592
Publication date
Nov 13, 2008
Keiko MATSUMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS USING SAME
Publication number
20080187332
Publication date
Aug 7, 2008
Kiyonori Tsuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
DEVELOPER LOADING METHOD, LOADED DEVELOPER ACCOMMODATING CONTAINER,...
Publication number
20080181630
Publication date
Jul 31, 2008
Keiko MATSUMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
POWDER FILLING METHOD, POWDER CONTAINER, DEVELOPER REPLENISHING DEV...
Publication number
20080175628
Publication date
Jul 24, 2008
Emi Kita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Information processing device and information processing method
Publication number
20060224841
Publication date
Oct 5, 2006
Junichi Terai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Development apparatus, process cartridge, and image forming apparatus
Publication number
20050185974
Publication date
Aug 25, 2005
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer regulating member, developing device, electrophotographic...
Publication number
20040114971
Publication date
Jun 17, 2004
Kiyotaka Sakai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer carrier having grooves on surface thereof, developing dev...
Publication number
20030170050
Publication date
Sep 11, 2003
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner scattering suppressing apparatus and image forming apparatus
Publication number
20030016964
Publication date
Jan 23, 2003
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing device and image forming apparatus using the same
Publication number
20020141789
Publication date
Oct 3, 2002
Junichi Terai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY