Inventor
ABE FUMIYOSHI
JP38 patents
⚠️ This page may combine multiple inventors who share the name “ABE FUMIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
36 patentsUS7239801B2Jul 3, 2007
Recording apparatus and method, playback apparatus and method, and recording medium therefor
SONY CORP32 citations95
US5304907AApr 19, 1994
Servo system that controls a motor and compensates for system irregularities
SONY CORP26 citations91
US5331616AJul 19, 1994
Information recording and reproducing apparatus with self-diagnosis information storage mechanism
SONY CORP24 citations86
US4363048ADec 7, 1982
Time counting clock generator
SONY CORP22 citations81
US5963382AOct 5, 1999
Methods of recording and reproducing and apparatus for recording and reproducing time codes
SONY CORP6 citations74
US4903149AFeb 20, 1990
Tape cassette loading system for a magnetic recording and reproducing apparatus
SONY CORP19 citations74
US4805053AFeb 14, 1989
Method and apparatus for detecting position of tape when recording or reproducing signals thereon
SONY CORP15 citations74
US4358720ANov 9, 1982
DC Motor driving circuit
SONY CORP9 citations74
US7379659B2May 27, 2008
Recording apparatus and method, playback apparatus and method, and recording medium therefor
SONY CORP4 citations72
US7088911B2Aug 8, 2006
Recording apparatus and method, playback apparatus and method, and recording medium therefor
SONY CORP10 citations72
US4418303ANov 29, 1983
DC Motor control circuit
SONY CORP10 citations71
US5383069AJan 17, 1995
Data reproducing device with drop out detection of position information and means for compensating with tape speed detecting
SONY CORP3 citations63
US4773616ASep 27, 1988
Cassette tape loading apparatus
SONY CORP2 citations63
US4713715ADec 15, 1987
Tape position display apparatus using counter roller pulses and CTL pulses
SONY CORP2 citations63
US4694234ASep 15, 1987
Apparatus for compensating a quantization error
SONY CORP3 citations63
US4528603AJul 9, 1985
Drum servo control with reduced head phase error during editing
SONY CORP7 citations63
US4459620AJul 10, 1984
Color video signal reproducing apparatus
SONY CORP4 citations63
US7551840B2Jun 23, 2009
Video tape recorder and recording method
SONY CORP4 citations62
US7321715B2Jan 22, 2008
Picture data reproducing apparatus and method
SONY CORP2 citations62
US6040693AMar 21, 2000
User initiated magnetic head wear measuring and display system
SONY CORP6 citations62
US7769085B2Aug 3, 2010
Image data processing device and method
SONY CORP3 citations61
US7231137B2Jun 12, 2007
Recording apparatus and method, playback apparatus and method, and recording medium therefor
SONY CORP2 citations61
US7221856B2May 22, 2007
Recording apparatus and method, playback apparatus and method, and recording medium therefor
SONY CORP2 citations61
US6996330B2Feb 7, 2006
Magnetic tape recording apparatus and method, magnetic tape format, and recording medium therefor
SONY CORP2 citations61
US7242854B2Jul 10, 2007
Magnetic tape recording apparatus and method, magnetic tape format, and recording medium therefor
SONY CORP0 citations51
US7076156B2Jul 11, 2006
Recording apparatus and method, playback apparatus and method, and recording medium therefor
SONY CORP0 citations51
US7027715B2Apr 11, 2006
Magnetic-tape recording apparatus, magnetic-tape recording method, magnetic tape, and recording medium
SONY CORP0 citations49
US7289720B2Oct 30, 2007
Magnetic tape recording apparatus and method, magnetic tape playback apparatus and method, format for magnetic tape, and storage medium product
SONY CORP0 citations48
US6996328B2Feb 7, 2006
Magnetic tape recording apparatus and method, magnetic tape playback apparatus and method, format for magnetic tape, and storage medium product
SONY CORP0 citations48
US7421190B2Sep 2, 2008
Video tape recorder and recording method
SONY CORP0 citations41
US7450817B2Nov 11, 2008
Magnetic tape recording apparatus
SONY CORP0 citations40
US7362954B2Apr 22, 2008
Recording apparatus and method, recording medium, and program
SONY CORP0 citations40
US7058283B2Jun 6, 2006
Magnetic tape tracking control apparatus and method, magnetic tape format, recording medium and program
SONY CORP0 citations40
US7239795B2Jul 3, 2007
Picture data reproducing apparatus and method
SONY CORP0 citations39
US7155114B2Dec 26, 2006
Information recording apparatus and method, information reading apparatus and method, magnetic tape format, and recording medium
SONY CORP0 citations39
US7200324B2Apr 3, 2007
Magnetic-tape recording apparatus and method, magnetic-tape reproduction apparatus and method, and recording medium
SONY CORP0 citations37