Inventor
NAKATA YASUO
JP42 patents
⚠️ This page may combine multiple inventors who share the name “NAKATA YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
25 patentsUS5085496AFeb 4, 1992
Optical element and optical pickup device comprising it
SHARP KK242 citations99
US5940364AAug 17, 1999
Optical disk including wobbled guiding groove composed of pits, optical disk manufacturing apparatus, and optical disk recording/reproducing apparatus
SHARP KK112 citations98
US5465315ANov 7, 1995
Display apparatus having a plurality of display devices
SHARP KK76 citations96
US6407968B1Jun 18, 2002
Optical information recording/reproducing apparatus having focus error signal compensation
SHARP KK40 citations93
US5673247ASep 30, 1997
Optical pickup having two objective lenses
SHARP KK34 citations93
US5446721AAug 29, 1995
Objective lens drive device with support system
SHARP KK27 citations93
US5128914AJul 7, 1992
Optical pickup apparatus utilizing a diffraction device
SHARP KK49 citations93
US5253237AOct 12, 1993
Optical head device
SHARP KK23 citations92
US5251280AOct 5, 1993
Liquid crystal display apparatus
SHARP KK28 citations92
US6392970B1May 21, 2002
Reproducing light quantity control method for optical memory device, and reproducing light quantity control device, and optical recording medium
SHARP KK19 citations84
US5999502ADec 7, 1999
Optical information recording/reproducing apparatus having focus servo control compensation for lands and grooves
SHARP KK19 citations84
US6614720B1Sep 2, 2003
Optical pickup device
SHARP KK18 citations82
US5049732ASep 17, 1991
Optical pickup device with diffraction device
SHARP KK20 citations82
US6388977B1May 14, 2002
Hologram laser unit and optical pickup device including the same
SHARP KK9 citations74
US5696742ADec 9, 1997
Optical disk device for reproducing address information from wobbled groove
SHARP KK17 citations74
US5659528AAug 19, 1997
Information recording-reproduction method
SHARP KK7 citations74
US5257131AOct 26, 1993
Polarization diffraction element and polarization detector employing the same
SHARP KK12 citations74
US5050155ASep 17, 1991
Pick-up device for use in an optical information recording system utilizing a diffraction grating with blaze characteristics
SHARP KK15 citations74
USRE35332ESep 24, 1996
Optical pickup device with diffraction device
SHARP KK8 citations73
US4985880AJan 15, 1991
Optical information recording and reproducing apparatus
SHARP KK8 citations73
US4812638AMar 14, 1989
Focusing error detector and optical data detecting device incorporating the focusing error detector
SHARP KK16 citations72
US5473470ADec 5, 1995
Polarization detector
SHARP KK2 citations63
US4849825AJul 18, 1989
Pick-up device for use in an optical information recording system
SHARP KK3 citations62
US7990834B2Aug 2, 2011
Optical pickup device recording and/or reproducing information on and/or from a plurality of kinds of recording media
SHARP KK3 citations61
US7397752B2Jul 8, 2008
Pickup for magneto-optical recording medium
SHARP KK1 citations52
KUBOTA KK
6 patentsUS6502896B1Jan 7, 2003
Backhoe
KUBOTA KK65 citations95
USD473571SApr 22, 2003
Backhoe
KUBOTA KK29 citations93
USD440235SApr 10, 2001
Backhoe
KUBOTA KK39 citations92
US5490574AFeb 13, 1996
Hood having intake openings for drawing air for a radiator and an engine
KUBOTA KK45 citations92
US8342789B2Jan 1, 2013
Loader work machine
KUBOTA KK16 citations91
US6615942B2Sep 9, 2003
Swivel type working vehicle
KUBOTA KK47 citations90
PANASONIC CORP
3 patentsUS7894312B2Feb 22, 2011
Automatic gain control circuit and signal reproducing device
PANASONIC CORP0 citations52
US7623419B2Nov 24, 2009
Method and apparatus for measuring off-track detection sensitivity
PANASONIC CORP0 citations42
US7952966B2May 31, 2011
Tracking apparatus for optical information reproduction apparatus
PANASONIC CORP0 citations41