Naoichi Ishikawa

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image writing device using digital light-emitting elements
- Patent number 8,212,852
- Issue date Jul 3, 2012
- Ricoh Company, Limited
- Naoichi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image writing device using digital light-emitting elements
- Patent number 7,852,362
- Issue date Dec 14, 2010
- Ricoh Company, Limited
- Naoichi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Digital writing apparatus
- Patent number 7,787,002
- Issue date Aug 31, 2010
- Ricoh Company, Limited
- Naoichi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image writing apparatus for controlling transfer of image data
- Patent number 7,453,485
- Issue date Nov 18, 2008
- Ricoh Company, Ltd.
- Naoichi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for optical writing capable of writing a wide...
- Patent number 7,248,277
- Issue date Jul 24, 2007
- Ricoh Company, Ltd.
- Naoichi Ishikawa
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
IMAGE WRITING DEVICE USING DIGITAL LIGHT-EMITTING ELEMENTS
- Publication number 20110043595
- Publication date Feb 24, 2011
- Naoichi ISHIKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE WRITING DEVICE USING DIGITAL LIGHT-EMITTING ELEMENTS
- Publication number 20070013925
- Publication date Jan 18, 2007
- Naoichi ISHIKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DIGITAL WRITING APPARATUS
- Publication number 20060181595
- Publication date Aug 17, 2006
- Naoichi ISHIKAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Image writing apparatus
- Publication number 20060044386
- Publication date Mar 2, 2006
- Naoichi Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for optical writing capable of writing a wide...
- Publication number 20050117133
- Publication date Jun 2, 2005
- Naoichi Ishikawa
- G06 - COMPUTING CALCULATING COUNTING