Inventor
KUBOTA YUKIO
JP82 patents
⚠️ This page may combine multiple inventors who share the name “KUBOTA YUKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
38 patentsUS5862292AJan 19, 1999
Recording and reproducing device for digital signal including IC card
SONY CORP193 citations99
US5418853AMay 23, 1995
Apparatus and method for preventing unauthorized copying of video signals
SONY CORP254 citations99
US5990881ANov 23, 1999
Near video-on-demand signal receiver
SONY CORP172 citations98
US5884141AMar 16, 1999
Near video-on-demand signal receiver
SONY CORP175 citations98
US5729280AMar 17, 1998
Near video-on-demand signal receiver having a memory which provides for VCR like functions
SONY CORP213 citations98
US5065259ANov 12, 1991
Magnetic recording and/or reproducing apparatus
SONY CORP135 citations98
US5826168AOct 20, 1998
Near video-on-demand signal receiver
SONY CORP69 citations96
US5721778AFeb 24, 1998
Digital signal transmitting method, digital signal receiving apparatus, and recording medium
SONY CORP50 citations96
US5563714AOct 8, 1996
Digital signal processing apparatus for recording and reproducing time-base compressed digital image data in an image transmission system
SONY CORP63 citations96
US5424850AJun 13, 1995
Method and apparatus for recording compressed audio data on a video record medium
SONY CORP71 citations96
US5396374AMar 7, 1995
Method and apparatus for reproducing and after-recording digital information signals on magnetic tape
SONY CORP58 citations96
US6301430B1Oct 9, 2001
Apparatus and method for TV broadcast copy protection
SONY CORP21 citations93
USRE36763EJul 4, 2000
Apparatus and method for preventing unauthorized copying of video signals
SONY CORP18 citations93
US5553140ASep 3, 1996
Digital and analog interface for set back box
SONY CORP29 citations93
US5469272ANov 21, 1995
Digital signal recording and/or reproducing apparatus
SONY CORP33 citations93
US5231543AJul 27, 1993
Digital signal recording/reproducing apparatus for use with digital signals having different transmission rates
SONY CORP56 citations93
US4255768AMar 10, 1981
Tracking control apparatus for a rotary head, variable speed signal reproducing system
SONY CORP34 citations93
US4233637ANov 11, 1980
Rotating magnetic head piezo-electric assembly and drive circuitry for video tape recorder
SONY CORP35 citations93
US7607157B1Oct 20, 2009
Near video-on-demand signal receiver
SONY CORP26 citations92
US5359428AOct 25, 1994
Digital video recorder operable in standard and long play modes
SONY CORP38 citations92
US4283736AAug 11, 1981
Video signal reproducing apparatus for converting a video signal from a first format to a second format
SONY CORP34 citations92
US4148082AApr 3, 1979
Tracking control apparatus
SONY CORP47 citations92
US5557420ASep 17, 1996
Method and apparatus for recording video signals on a record medium
SONY CORP40 citations90
US4143405AMar 6, 1979
Automatic head scan tracking system
SONY CORP28 citations82
US4141047AFeb 20, 1979
Method and apparatus for correcting tracking errors of a transducer which scans parallel record tracks
SONY CORP19 citations81
USRE38236EAug 26, 2003
Digital signal transmitting method, digital signal receiving apparatus, and recording medium and method
SONY CORP12 citations74
US6526220B2Feb 25, 2003
Apparatus and method for TV broadcast copy protection
SONY CORP7 citations74
US6002836ADec 14, 1999
Recording and reproducing apparatus in which digital data having various transmission rates are processed at their optimum data rates
SONY CORP10 citations74
US5973868AOct 26, 1999
Recording and/or reproducing apparatus with means for establishing an after-recording area
SONY CORP6 citations74
US5878187AMar 2, 1999
Digital signal recording method and recording apparatus thereof
SONY CORP11 citations74
US5745318AApr 28, 1998
Digital video tape reproducing apparatus for reproducing video signals from tracks in a magnetic tape having reproducing heads having widths the same as or different from that of the recording heads
SONY CORP10 citations74
US5526199AJun 11, 1996
Data recording apparatus
SONY CORP5 citations74
US5499148AMar 12, 1996
Digital video tape reproducing apparatus compatible with tapes having a track width different from a rotary magnetic head width
SONY CORP6 citations74
US5426538AJun 20, 1995
Recording and/or reproducing apparatus with means for establishing an after-recording area
SONY CORP11 citations74
US5315401AMay 24, 1994
Apparatus for recording and/or reproducing digital video and audio signals operable in an after-recording mode
SONY CORP14 citations74
US4255771AMar 10, 1981
Video signal reproducing apparatus
SONY CORP10 citations74
US4167763ASep 11, 1979
Tracking-error correcting system for use with record medium scanning apparatus
SONY CORP18 citations74
US4268875AMay 19, 1981
Avoidance of disturbance of horizontal sync signals in video signal reproduced at other than standard tape speed
SONY CORP16 citations73
KUBOTA YUKIO
3 patentsYAMANOUCHI PHARMA CO LTD
2 patentsYANMAR CO LTD
2 patentsYANMAR AGRICULT EQUIP
2 patentsPENTAX CORP
2 patentsHOYA CORP
1 patentShowing the top 50 of 82 patents by PatentIndex Score.