P

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 patents
US5862292AJan 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 patents

YAMANOUCHI PHARMA CO LTD

2 patents

YANMAR CO LTD

2 patents

YANMAR AGRICULT EQUIP

2 patents

PENTAX CORP

2 patents

HOYA CORP

1 patent

Showing the top 50 of 82 patents by PatentIndex Score.