Sohichiroh Naka

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Patents Grantslast 30 patents

Information Patent Grant
Optical sensor unit with shutter member and image-forming apparatus...
- Patent number 8,934,795
- Issue date Jan 13, 2015
- Ricoh Company, Ltd.
- Masafumi Hashiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photosensor and image forming device incorporating the same
- Patent number 8,818,218
- Issue date Aug 26, 2014
- Ricoh Company, Ltd.
- Sohichiroh Naka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image position detector and image forming device
- Patent number 8,774,656
- Issue date Jul 8, 2014
- Ricoh Company, Ltd.
- Masahiko Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reflective photosensor and image forming device incorporating the same
- Patent number 8,474,810
- Issue date Jul 2, 2013
- Ricoh Company, Ltd.
- Norifumi Yamamoto
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
PHOTOSENSOR AND IMAGE FORMING DEVICE INCORPORATING THE SAME
- Publication number 20130022363
- Publication date Jan 24, 2013
- Sohichiroh NAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL SENSOR UNIT AND IMAGE-FORMING APPARATUS
- Publication number 20130004189
- Publication date Jan 3, 2013
- RICOH COMPANY, LTD.
- Masafumi Hashiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
REFLECTIVE PHOTOSENSOR AND IMAGE FORMING DEVICE INCORPORATING THE SAME
- Publication number 20130001857
- Publication date Jan 3, 2013
- RICOH COMPANY, LTD.
- Norifumi Yamamoto
- G01 - MEASURING TESTING
Information Patent Application
IMAGE POSITION DETECTOR AND IMAGE FORMING DEVICE
- Publication number 20120298845
- Publication date Nov 29, 2012
- RICOH COMPANY, LTD.
- Masahiko Sato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE