Keiichi Sugai

Person

Miyagi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus for forming image with fixing device power...
- Patent number 7,693,440
- Issue date Apr 6, 2010
- Ricoh Company, Ltd.
- Naoki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Auxiliary power supply unit and image forming apparatus
- Patent number 7,496,312
- Issue date Feb 24, 2009
- Ricoh Company, Ltd.
- Naoki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus for forming image with fixing member, power...
- Patent number 7,269,368
- Issue date Sep 11, 2007
- Ricoh Company, Ltd.
- Naoki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Power source control apparatus, and power source control method
- Patent number 7,236,714
- Issue date Jun 26, 2007
- Ricoh Company, Ltd.
- Naoki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heating unit, auxiliary power unit, fixing unit, and image forming...
- Patent number 7,127,189
- Issue date Oct 24, 2006
- Ricoh Company, Ltd.
- Ryo Takamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for controlling power supply to fixing roller in image formi...
- Patent number 7,122,767
- Issue date Oct 17, 2006
- Ricoh Company, Limited
- Naoki Sato
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS, POWER SUPPLY CONTROL METHOD, AND POWER SUP...
- Publication number 20070280714
- Publication date Dec 6, 2007
- Naoki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Auxiliary power supply unit and image forming apparatus
- Publication number 20060024079
- Publication date Feb 2, 2006
- Naoki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Power source control apparatus, and power source control method
- Publication number 20050232651
- Publication date Oct 20, 2005
- Naoki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, power supply control method, and power sup...
- Publication number 20050220474
- Publication date Oct 6, 2005
- Naoki Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Auxiliary power source device, fixing device, image forming apparat...
- Publication number 20050189923
- Publication date Sep 1, 2005
- Hiroto Ohishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method for controlling power supply to fixing roller in image formi...
- Publication number 20050167420
- Publication date Aug 4, 2005
- Naoki Sato
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Heating unit, auxiliary power unit, fixing unit, and image forming...
- Publication number 20050139591
- Publication date Jun 30, 2005
- Ryo Takamatsu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Keiichi Sugai

Person

Patents Grantslast 30 patents

Image forming apparatus for forming image with fixing device power...

Auxiliary power supply unit and image forming apparatus

Image forming apparatus for forming image with fixing member, power...

Power source control apparatus, and power source control method

Heating unit, auxiliary power unit, fixing unit, and image forming...

Method for controlling power supply to fixing roller in image formi...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS, POWER SUPPLY CONTROL METHOD, AND POWER SUP...

Auxiliary power supply unit and image forming apparatus

Power source control apparatus, and power source control method

Image forming apparatus, power supply control method, and power sup...

Auxiliary power source device, fixing device, image forming apparat...

Method for controlling power supply to fixing roller in image formi...

Heating unit, auxiliary power unit, fixing unit, and image forming...