Inventor
MAEDA YASUAKI
JP43 patents
⚠️ This page may combine multiple inventors who share the name “MAEDA YASUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
41 patentsUS5224087AJun 29, 1993
Apparatus for recording compressed digital information to an optical disc
SONY CORP177 citations99
US5363362ANov 8, 1994
Apparatus for reproducing recorded data comprising interleaved clusters and cluster linking sectors
SONY CORP125 citations98
US5243588ASep 7, 1993
Method and apparatus for reading digital data bursts comprising data clusters and cluster linking sectors
SONY CORP117 citations98
US6205104B1Mar 20, 2001
Recording/reproducing apparatus for compressed data
SONY CORP73 citations96
US5915263AJun 22, 1999
Memory control device and memory data search circuit
SONY CORP42 citations96
US5528569AJun 18, 1996
Recording medium and a method and apparatus for recording and reproducing digital data in data clusters and cluster linking sectors on the recording medium
SONY CORP75 citations96
US5519681AMay 21, 1996
Recording medium reproducing apparatus that identifies a channel of reproduced data
SONY CORP88 citations96
US6272084B1Aug 7, 2001
Memory controller, reproducing apparatus mounting the same and method for controlling the same
SONY CORP22 citations93
US5870583AFeb 9, 1999
Method of editing information for managing recordable segments of a recording medium where scanned and reference addresses are compared
SONY CORP32 citations93
US5553048ASep 3, 1996
Memory control device and reproducing and/or recording apparatus
SONY CORP31 citations93
US5343456AAug 30, 1994
Digital audio signal reproducing apparatus
SONY CORP47 citations93
US5337295AAug 9, 1994
Digital audio signal reproducing apparatus
SONY CORP46 citations93
US5099464AMar 24, 1992
Magneto optical disk recording apparatus including a plurality of connected recording unit buffer memories
SONY CORP31 citations93
US6747943B2Jun 8, 2004
Optical recording medium and disc cartridge
SONY CORP17 citations92
US6188662B1Feb 13, 2001
Recording apparatus with a receiving function and recording apparatus
SONY CORP43 citations92
US5963521AOct 5, 1999
Recording and/or reproducing method and apparatus with dubbing mode
SONY CORP20 citations92
US5748588AMay 5, 1998
Memory controller and recording apparatus which adds dummy data to complete a sector of data when writing to memory
SONY CORP27 citations92
US5699336ADec 16, 1997
Reproducing apparatus having buffer memory and capable of rapidly restarting reproduction and method of controlling the apparatus
SONY CORP44 citations92
US5440529AAug 8, 1995
Audio and general digital data recording and/or reproducing apparatus having two interface circuits
SONY CORP37 citations92
US5410526AApr 25, 1995
Disc reproducing apparatus and disc recording apparatus
SONY CORP21 citations92
US5214631AMay 25, 1993
Disc recording/reproducing apparatus having a servo system capable of successively recording and reproducing tracks on a disc irrespective of turbulence of the servo system due to a disturbance
SONY CORP34 citations92
US5109369AApr 28, 1992
Optical disk drive
SONY CORP37 citations92
US6400667B1Jun 4, 2002
Recording/reproduction method and apparatus in which sub data is written/read in periods during which writing/reading of main data is not performed
SONY CORP16 citations84
USRE36218EJun 1, 1999
Disc recording/reproducing apparatus having a servo system capable of successively recording and reproducing tracks on a disc irrespective of turbulence of the servo system due to a disturbance
SONY CORP17 citations84
US4996678AFeb 26, 1991
Apparatus for rewriting an optical disc while updating its table of contents and without leaving gaps
SONY CORP21 citations82
US7305689B2Dec 4, 2007
Optical recording medium and disc cartridge
SONY CORP4 citations74
US6785222B2Aug 31, 2004
Read-only optical recording medium and disc cartridge
SONY CORP7 citations74
US6704275B2Mar 9, 2004
Optical recording medium and disc cartridge having 2 GB capacity
SONY CORP7 citations74
US6343054B1Jan 29, 2002
Recording/reproducing device with memory controller which creates sector data storing area and additive data storing area
SONY CORP8 citations74
US6301203B1Oct 9, 2001
Apparatus and method for reproducing main data and sub data in synchronization
SONY CORP12 citations74
US6298030B1Oct 2, 2001
Memory control and reproducing and/or recording apparatus for storage and access of memory location
SONY CORP8 citations74
US5897652AApr 27, 1999
Memory control device and address generating circuit
SONY CORP10 citations74
US5829050AOct 27, 1998
Memory control device and memory data search circuit
SONY CORP12 citations74
US5790484AAug 4, 1998
Disc recording/reproducing apparatus having memory control which allows recording immediately upon loading of the disc
SONY CORP10 citations74
US5675559AOct 7, 1997
Disc recording reproducing apparatus having memory control which allows recording immediately upon loading of the disc
SONY CORP11 citations74
US5659529AAug 19, 1997
Data encoder
SONY CORP11 citations74
US5559780ASep 24, 1996
Recording apparatus for an optical recording medium
SONY CORP7 citations74
US5325371AJun 28, 1994
Coding/decoding apparatus
SONY CORP18 citations74
US7394737B2Jul 1, 2008
Skew control method and skew control unit
SONY CORP2 citations63
US5237575AAug 17, 1993
Error correction coded digital data reproducing apparatus
SONY CORP6 citations63
US7454771B2Nov 18, 2008
Optical recording medium and disc cartridge
SONY CORP0 citations52