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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming device to supply DC power to a load from both a main...
Patent number
8,315,534
Issue date
Nov 20, 2012
Ricoh Company, Ltd.
Tetsuya Yano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with a chargeable capacitor
Patent number
8,023,126
Issue date
Sep 20, 2011
Ricoh Company, Ltd.
Toshitaka Semma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with a supplemental power supply unit
Patent number
7,840,153
Issue date
Nov 23, 2010
Ricoh Company, Limited
Toshitaka Semma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Power supply device capable of supplying large amount of power nece...
Patent number
7,734,937
Issue date
Jun 8, 2010
Ricoh Company, Ltd.
Tetsuya Yano
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
System for controlling power supplies of an image formation apparatus
Patent number
7,624,288
Issue date
Nov 24, 2009
Ricoh Company, Ltd.
Kazuhito Kishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus and replaceable part and IC chip for the same
Patent number
7,362,466
Issue date
Apr 22, 2008
Ricoh Company, Ltd.
Toshitaka Semma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and replaceable part and integrated circuit...
Patent number
7,221,467
Issue date
May 22, 2007
Ricoh Company, Ltd.
Takamasa Hayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
POWER SUPPLY DEVICE CAPABLE OF SUPPLYING LARGE AMOUNT OF POWER NECE...
Publication number
20070200432
Publication date
Aug 30, 2007
Tetsuya YANO
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Image forming apparatus
Publication number
20070201049
Publication date
Aug 30, 2007
Toshitaka Semma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMATION APPARATUS
Publication number
20070201894
Publication date
Aug 30, 2007
Kazuhito Kishi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE FORMING DEVICE
Publication number
20070098433
Publication date
May 3, 2007
Tetsuya Yano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus with a supplemental power supply unit
Publication number
20070071479
Publication date
Mar 29, 2007
Toshitaka Semma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and replaceable part and integrated circuit...
Publication number
20020063890
Publication date
May 30, 2002
Takamasa Hayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and replaceable part and IC chip for the same
Publication number
20020064389
Publication date
May 30, 2002
Toshitaka Semma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY