Naruhiro MASUI

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Head driving device, liquid-ejection head unit, and liquid ejection...
- Patent number 10,166,766
- Issue date Jan 1, 2019
- Ricoh Company, Ltd.
- Naruhiro Masui
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Head driving device, recording head unit, and image forming apparatus
- Patent number 9,387,671
- Issue date Jul 12, 2016
- Ricoh Company, Ltd.
- Naruhiro Masui
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Pixel clock generating device and image forming apparatus
- Patent number 9,030,517
- Issue date May 12, 2015
- Ricoh Company, Ltd.
- Naruhiro Masui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus and method of correcting color registration...
- Patent number 9,020,406
- Issue date Apr 28, 2015
- Ricoh Company, Ltd.
- Norikazu Igarashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method that corrects test...
- Patent number 8,867,973
- Issue date Oct 21, 2014
- Ricoh Company, Ltd.
- Naruhiro Masui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image forming apparatus and method
- Patent number 8,862,002
- Issue date Oct 14, 2014
- Ricoh Company, Ltd.
- Norikazu Igarashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pixel clock generator and image forming apparatus
- Patent number 8,493,578
- Issue date Jul 23, 2013
- Ricoh Company, Limited
- Naruhiro Masui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pixel clock generator, pulse modulator, and image forming apparatus
- Patent number 7,791,634
- Issue date Sep 7, 2010
- Ricoh Company, Limited
- Naruhiro Masui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Data recovery method, data recovery circuit, data transmitting/rece...
- Patent number 7,746,971
- Issue date Jun 29, 2010
- Ricoh Company, Ltd.
- Naruhiro Masui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data recovery method and data recovery circuit
- Patent number 7,684,531
- Issue date Mar 23, 2010
- Ricoh Company, Ltd.
- Naruhiro Masui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pulse width modulaton device and image forming apparatus
- Patent number 7,656,422
- Issue date Feb 2, 2010
- Ricoh Company, Ltd.
- Dan Ozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Light source driving unit and optical storage apparatus
- Patent number 7,573,790
- Issue date Aug 11, 2009
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Light source driving unit and optical storage apparatus
- Patent number 7,518,969
- Issue date Apr 14, 2009
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method, information recording device, and rec...
- Patent number 7,512,050
- Issue date Mar 31, 2009
- Ricoh Company, Ltd.
- Kenya Yokoi
- G11 - INFORMATION STORAGE
Information Patent Grant
Light source drive, optical information recording apparatus, and op...
- Patent number 7,480,230
- Issue date Jan 20, 2009
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing method and signal processing apparatus
- Patent number 7,423,940
- Issue date Sep 9, 2008
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method and apparatus
- Patent number 7,349,303
- Issue date Mar 25, 2008
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording method and apparatus
- Patent number 7,313,075
- Issue date Dec 25, 2007
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method and an information recording apparatus
- Patent number 7,301,870
- Issue date Nov 27, 2007
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Light source driving unit and optical storage apparatus
- Patent number 7,200,091
- Issue date Apr 3, 2007
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Light source drive, optical information recording apparatus, and op...
- Patent number 7,193,957
- Issue date Mar 20, 2007
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method and information recording apparatus
- Patent number 7,164,637
- Issue date Jan 16, 2007
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Signal processing method and signal processing apparatus
- Patent number 7,142,486
- Issue date Nov 28, 2006
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Light source drive, optical information recording apparatus, and op...
- Patent number 6,954,415
- Issue date Oct 11, 2005
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Information recording method and apparatus
- Patent number 6,687,206
- Issue date Feb 3, 2004
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical information recording method and apparatus
- Patent number 6,600,712
- Issue date Jul 29, 2003
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Wobble-signal detecting device and information recording apparatus
- Patent number 6,556,523
- Issue date Apr 29, 2003
- Ricoh Company, Ltd.
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor laser control system
- Patent number 6,118,798
- Issue date Sep 12, 2000
- Ricoh Company, Ltd.
- Hidetoshi Ema
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor laser control system
- Patent number 5,946,334
- Issue date Aug 31, 1999
- Ricoh Company, Inc.
- Hidetoshi Ema
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
HEAD DRIVING DEVICE, LIQUID-EJECTION HEAD UNIT, AND LIQUID EJECTION...
- Publication number 20170253033
- Publication date Sep 7, 2017
- Naruhiro MASUI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
HEAD DRIVING DEVICE, RECORDING HEAD UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20150328886
- Publication date Nov 19, 2015
- Naruhiro MASUI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
IMAGE FORMING APPARATUS AND METHOD OF CORRECTING COLOR REGISTRATION...
- Publication number 20140169843
- Publication date Jun 19, 2014
- RICOH COMPANY, LTD.
- Norikazu IGARASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20130148996
- Publication date Jun 13, 2013
- RICOH COMPANY, LTD.
- NARUHIRO MASUI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS AND METHOD
- Publication number 20130064580
- Publication date Mar 14, 2013
- Norikazu IGARASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PIXEL CLOCK GENERATING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20110221739
- Publication date Sep 15, 2011
- RICOH COMPANY, LTD.
- NARUHIRO MASUI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PIXEL CLOCK GENERATOR AND IMAGE FORMING APPARATUS
- Publication number 20110164273
- Publication date Jul 7, 2011
- Naruhiro Masui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Pixel Clock Generator, Pulse Modulator, and Image Forming Apparatus
- Publication number 20080143814
- Publication date Jun 19, 2008
- Naruhiro Masui
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PULSE WIDTH MODULATION DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20070206234
- Publication date Sep 6, 2007
- Dan Ozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Signal processing method and signal processing apparatus
- Publication number 20070070834
- Publication date Mar 29, 2007
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Application
Light source drive, optical information recording apparatus, and op...
- Publication number 20070036059
- Publication date Feb 15, 2007
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Application
Light source driving unit and optical storage apparatus
- Publication number 20070030785
- Publication date Feb 8, 2007
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Application
Light source driving unit and optical storage apparatus
- Publication number 20070030784
- Publication date Feb 8, 2007
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording method, information recording device and reco...
- Publication number 20060245336
- Publication date Nov 2, 2006
- Kenya Yokoi
- G11 - INFORMATION STORAGE
Information Patent Application
Data recovery method, data recovery circuit, data transmitting/rece...
- Publication number 20060227916
- Publication date Oct 12, 2006
- Naruhiro Masui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Light source drive, optical information recording apparatus, and op...
- Publication number 20060007841
- Publication date Jan 12, 2006
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Application
Data recovery method and data recovery circuit
- Publication number 20050135527
- Publication date Jun 23, 2005
- Naruhiro Masui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Information recording method and information recording apparatus
- Publication number 20050041548
- Publication date Feb 24, 2005
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording method and an information recording apparatus
- Publication number 20050030863
- Publication date Feb 10, 2005
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Application
Information recording method and apparatus
- Publication number 20040105367
- Publication date Jun 3, 2004
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Application
Light source drive, optical information recording apparatus, and op...
- Publication number 20040095853
- Publication date May 20, 2004
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Application
Wobble-signal detecting device and information recording apparatus
- Publication number 20030227849
- Publication date Dec 11, 2003
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Application
Optical information recording method and apparatus
- Publication number 20030189885
- Publication date Oct 9, 2003
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Application
Light source driving unit and optical storage apparatus
- Publication number 20030112732
- Publication date Jun 19, 2003
- Naruhiro Masui
- G11 - INFORMATION STORAGE
Information Patent Application
Signal processing method and signal processing apparatus
- Publication number 20020196717
- Publication date Dec 26, 2002
- Naruhiro Masui
- G11 - INFORMATION STORAGE

Naruhiro MASUI

Person

Patents Grantslast 30 patents

Head driving device, liquid-ejection head unit, and liquid ejection...

Head driving device, recording head unit, and image forming apparatus

Pixel clock generating device and image forming apparatus

Image forming apparatus and method of correcting color registration...

Image forming apparatus and image forming method that corrects test...

Image forming apparatus and method

Pixel clock generator and image forming apparatus

Pixel clock generator, pulse modulator, and image forming apparatus

Data recovery method, data recovery circuit, data transmitting/rece...

Data recovery method and data recovery circuit

Pulse width modulaton device and image forming apparatus

Light source driving unit and optical storage apparatus

Light source driving unit and optical storage apparatus

Information recording method, information recording device, and rec...

Light source drive, optical information recording apparatus, and op...

Signal processing method and signal processing apparatus

Information recording method and apparatus

Optical information recording method and apparatus

Information recording method and an information recording apparatus

Light source driving unit and optical storage apparatus

Light source drive, optical information recording apparatus, and op...

Information recording method and information recording apparatus

Signal processing method and signal processing apparatus

Light source drive, optical information recording apparatus, and op...

Information recording method and apparatus

Optical information recording method and apparatus

Wobble-signal detecting device and information recording apparatus

Semiconductor laser control system

Semiconductor laser control system

Patents Applicationslast 30 patents

HEAD DRIVING DEVICE, LIQUID-EJECTION HEAD UNIT, AND LIQUID EJECTION...

HEAD DRIVING DEVICE, RECORDING HEAD UNIT, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND METHOD OF CORRECTING COLOR REGISTRATION...

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS AND METHOD

PIXEL CLOCK GENERATING DEVICE AND IMAGE FORMING APPARATUS

PIXEL CLOCK GENERATOR AND IMAGE FORMING APPARATUS

Pixel Clock Generator, Pulse Modulator, and Image Forming Apparatus

PULSE WIDTH MODULATION DEVICE AND IMAGE FORMING APPARATUS

Signal processing method and signal processing apparatus

Light source drive, optical information recording apparatus, and op...

Light source driving unit and optical storage apparatus

Light source driving unit and optical storage apparatus

Information recording method, information recording device and reco...

Data recovery method, data recovery circuit, data transmitting/rece...

Light source drive, optical information recording apparatus, and op...

Data recovery method and data recovery circuit

Information recording method and information recording apparatus

Information recording method and an information recording apparatus

Information recording method and apparatus

Light source drive, optical information recording apparatus, and op...

Wobble-signal detecting device and information recording apparatus

Optical information recording method and apparatus

Light source driving unit and optical storage apparatus

Signal processing method and signal processing apparatus