NEC Home Electronics Ltd.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B60R VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR 1109
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 1137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6161070 Passenger detection systemAug 31, 98Dec 12, 00[B60R]
5239527 Disc changer for inserting, ejecting and playing discsMay 30, 91Aug 24, 93[G11B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5299182 Changer-equipped disc playerExpiredMay 05, 93Mar 29, 94[G11B]
5241529 Disk player with disk-carrier lock-up deviceExpiredMay 29, 91Aug 31, 93[G11B]
5216645 Disc changer for inserting, ejecting and playing discsExpiredMay 30, 91Jun 01, 93[G11B]
5210728 Elevation mechanism in disk player with disk changer functions including an adjustable drive nut which raises and lowers discsExpiredMay 29, 91May 11, 93[G11B]
5200834 Magnetic recording and reproducing apparatus obtaining separate clock signals from brightness and color components of a video signalExpiredMar 30, 89Apr 06, 93[H04N]
5177722 Disk player with disk changer functionsExpiredMay 30, 91Jan 05, 93[G11B]
5166571 Vibration gyro having an H-shaped vibratorExpiredJul 19, 90Nov 24, 92[H01L]
5166976 System and method for detection of a pulse within a video signalExpiredSep 20, 91Nov 24, 92[H04N]
5122793 Signal generator for generating an image signal of an input signalExpiredFeb 14, 90Jun 16, 92[H04Q]
5123001 Disk playback deviceExpiredAug 23, 90Jun 16, 92[G11B]
5117160 Rare gas discharge lampExpiredJun 19, 90May 26, 92[H01J]
5055929 Ghost canceler for television and video tape recorderExpiredDec 28, 89Oct 08, 91[H04N]
5050964 Objective lens supporting mechanism for use in an optical head of an optical disc apparatusExpiredJun 16, 89Sep 24, 91[G02B]
5050157 Friction reducing piezoelectric feed guide mechanismExpiredNov 18, 88Sep 17, 91[G11B]
5038658 Method for automatically transcribing music and apparatus thereforeExpiredFeb 27, 89Aug 13, 91[G09B]
5034805 Color separation apparatusExpiredOct 31, 89Jul 23, 91[H04N]
5032914 Movement detection and y/c separation circuit for detecting a movement in a television display pictureExpiredDec 28, 89Jul 16, 91[H04N]
5029258 Image display device and its driving methodExpiredSep 27, 89Jul 02, 91[H01J, G09G]
5018015 Adaptive keyed synchronous detectorExpiredDec 29, 89May 21, 91[H04N]
5005190 Window system synchronizing protective circuitExpiredNov 30, 88Apr 02, 91[H04L]

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