Mitsufumi YAMAMOTO

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Powder detection device, image forming apparatus, powder detection...
- Patent number 10,228,632
- Issue date Mar 12, 2019
- Ricoh Company, Ltd.
- Mitsufumi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Information processing apparatus, power source control method there...
- Patent number 8,862,908
- Issue date Oct 14, 2014
- Ricoh Company, Ltd.
- Sumihiro Inokuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Image forming device, identifying device, semiconductor integrated...
- Patent number 8,463,144
- Issue date Jun 11, 2013
- Ricoh Company, Ltd.
- Mitsufumi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
POWDER DETECTION DEVICE, IMAGE FORMING APPARATUS, POWDER DETECTION...
- Publication number 20160349101
- Publication date Dec 1, 2016
- RICOH COMPANY, LTD.
- Mitsufumi Yamamoto
- G01 - MEASURING TESTING
Information Patent Application
INFORMATION PROCESSING APPARATUS, POWER SOURCE CONTROL METHOD OF IN...
- Publication number 20110320831
- Publication date Dec 29, 2011
- Sumihiro INOKUCHI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE FORMING DEVICE, IDENTIFYING DEVICE, SEMICONDUCTOR INTEGRATED...
- Publication number 20110176818
- Publication date Jul 21, 2011
- RICOH COMPANY, LTD.
- Mitsufumi YAMAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY