Inventor
YOSHIKAWA HIROYASU
JP49 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIKAWA HIROYASU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
37 patentsUS6584058B1Jun 24, 2003
Optical storage device and liquid crystal device having separate liquid crystal layers with opposing electrodes
FUJITSU LTD21 citations92
US5982402ANov 9, 1999
Apparatus for printing color image by combination of optical beam scanning units and photosensitive drums
FUJITSU LTD28 citations92
US5754503AMay 19, 1998
Optical device with improved focused error detection and tracing error detection for optical disk drive
FUJITSU LTD24 citations89
US5745265AApr 28, 1998
Optical element utilized for optical storage unit and optical device including the optical element
FUJITSU LTD45 citations89
US8378525B2Feb 19, 2013
Power transfer apparatus
FUJITSU LTD12 citations84
US7639586B2Dec 29, 2009
Hologram recording medium and hologram record-reproduction device
FUJITSU LTD8 citations84
US6704249B2Mar 9, 2004
Magnetic head having an irregular surface for heat dissipation
FUJITSU LTD13 citations83
US5900955AMay 4, 1999
Optical scanning system including two hologram elements
FUJITSU LTD7 citations74
US7127729B2Oct 24, 2006
Magneto-optical head and magneto-optical disk drive
FUJITSU LTD8 citations72
US9025058B2May 5, 2015
Image processing apparatus and information processing method for improving resolution of direction exhibiting degraded resolution
FUJITSU LTD2 citations63
US6697305B2Feb 24, 2004
Magnetic head with sectioned magnetic field regulator
FUJITSU LTD2 citations63
US6243334B1Jun 5, 2001
Information reading and writing device for optical disk
FUJITSU LTD5 citations63
US5696748ADec 9, 1997
Hologram optical system for optical pickup for optical disk drive
FUJITSU LTD2 citations63
US9473696B2Oct 18, 2016
Gaze detection apparatus, gaze detection computer program, and display apparatus
FUJITSU LTD2 citations62
US7760408B2Jul 20, 2010
Hologram recording device and hologram recording method
FUJITSU LTD2 citations62
US7715074B2May 11, 2010
Holographic recording device
FUJITSU LTD2 citations62
US7715073B2May 11, 2010
Hologram recorder
FUJITSU LTD3 citations62
US7616362B2Nov 10, 2009
Hologram recording and reproducing apparatus
FUJITSU LTD2 citations62
US7518974B2Apr 14, 2009
Recording and reproducing apparatus
FUJITSU LTD5 citations62
US7515521B2Apr 7, 2009
Hologram recording and reproducing apparatus
FUJITSU LTD4 citations62
US7342697B2Mar 11, 2008
Hologram recording medium
FUJITSU LTD5 citations62
US6778485B2Aug 17, 2004
Optical storage device having liquid crystal layers varying light in phase between 0 and π
FUJITSU LTD2 citations62
USRE47947EApr 14, 2020
Image processing apparatus and information processing method for improving resolution of direction exhibiting degraded resolution
FUJITSU LTD0 citations52
US9418406B2Aug 16, 2016
Anisotropy in resolution spatial filter image processing apparatus, and information processing method
FUJITSU LTD0 citations52
US9202264B2Dec 1, 2015
Image processing apparatus and image processing method
FUJITSU LTD0 citations52
US7583171B2Sep 1, 2009
Magnetic field generator, photomagnetic information storing system, and photomagnetic information storing apparatus
FUJITSU LTD1 citations52
US7466634B2Dec 16, 2008
Magnetic field generator and photomagnetic information storage apparatus
FUJITSU LTD0 citations52
US8810694B2Aug 19, 2014
Device and computer-readable recording medium for imaging and image processing with color correction
FUJITSU LTD0 citations51
US7859975B2Dec 28, 2010
Hologram recorder and hologram recording method
FUJITSU LTD0 citations51
US7755819B2Jul 13, 2010
Hologram recording device
FUJITSU LTD1 citations51
US7751105B2Jul 6, 2010
Hologram recording apparatus and hologram recording/reproducing method
FUJITSU LTD1 citations51
US9165343B2Oct 20, 2015
Image processing apparatus and image processing method
FUJITSU LTD0 citations42
US7719734B2May 18, 2010
Hologram recording device
FUJITSU LTD0 citations42
US7719735B2May 18, 2010
Hologram recorder
FUJITSU LTD0 citations41
US7636185B2Dec 22, 2009
Hologram recording device and hologram recording method
FUJITSU LTD0 citations41
US9042642B2May 26, 2015
Image processing apparatus and image pickup apparatus
FUJITSU LTD0 citations40
US9030737B2May 12, 2015
3D display device and method
FUJITSU LTD0 citations38
MURATA MACHINERY LTD
6 patentsUS6198548B1Mar 6, 2001
Communication terminal device having copying function
MURATA MACHINERY LTD15 citations81
US6256114B1Jul 3, 2001
Communication terminal apparatus
MURATA MACHINERY LTD7 citations74
US6249356B1Jun 19, 2001
Communication terminal device
MURATA MACHINERY LTD11 citations71
US5291304AMar 1, 1994
Facsimile apparatus having invoice sentence preparation function
MURATA MACHINERY LTD17 citations70
US7791768B2Sep 7, 2010
Image scanning device with time authentication requesting function
MURATA MACHINERY LTD1 citations52
US7079274B2Jul 18, 2006
Communication terminal device
MURATA MACHINERY LTD0 citations42
YOSHIKAWA HIROYASU
3 patentsUS8542018B2Sep 24, 2013
Power transmitting apparatus
YOSHIKAWA HIROYASU23 citations91
US8575782B2Nov 5, 2013
Power transmission apparatus, power transmission/reception apparatus, and method of transmitting power
YOSHIKAWA HIROYASU4 citations61
US8234353B2Jul 31, 2012
Method, system, and service server for providing firmware through communication network
YOSHIKAWA HIROYASU2 citations61