Inventor
HENMI FUMIAKI
JP14 patents
Patents
14 patentsUS5841794ANov 24, 1998
Error correction processing method and apparatus for digital data
SONY CORP31 citations92
US4733385AMar 22, 1988
Signal recording and reproducing apparatus for an opto-magnetic disk
SONY CORP30 citations92
US6438316B1Aug 20, 2002
Recording/reproducing apparatus and method for including line numbers
SONY CORP7 citations73
US6393197B2May 21, 2002
Digital video signal recording/reproducing apparatus and method thereof
SONY CORP8 citations73
US5848220ADec 8, 1998
High definition digital video recorder
SONY CORP8 citations73
US5390028AFeb 14, 1995
Apparatus for converting input video signal to motion picture film image
SONY CORP16 citations73
US5084856AJan 28, 1992
Cutting apparatus for an optical disc
SONY CORP13 citations73
US4774698ASep 27, 1988
Optical disc recording and reproducing apparatus with improved servo control
SONY CORP18 citations73
US4547872AOct 15, 1985
Optical recording and reproducing apparatus with improved focussing control
SONY CORP12 citations73
US4845696AJul 4, 1989
Apparatus for optically recording and reproducing information in record tracks on a rotatable record disk
SONY CORP16 citations72
US6507695B2Jan 14, 2003
Digital information signal recording apparatus for recording a digital information signal to a record medium and digital information signal reproducing apparatus for reproducing a digital information signal from a record medium
SONY CORP3 citations62
US5274618ADec 28, 1993
Test apparatus for an optical recording disc
SONY CORP5 citations56
US7606466B2Oct 20, 2009
Recording device and method for data of mixed formats
SONY CORP1 citations52
US6285820B1Sep 4, 2001
Video tape recorder
SONY CORP0 citations40