Inventor
KURITA KAZUHITO
JP56 patents
⚠️ This page may combine multiple inventors who share the name “KURITA KAZUHITO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
49 patentsUS6324147B2Nov 27, 2001
Electronic equipment
SONY CORP21 citations92
US5684763ANov 4, 1997
Optical recording/reproducing device having control for reducing vibrational noise during recording by slowing moving speed of pickup
SONY CORP18 citations92
US5659530AAug 19, 1997
Recording and/or reproducing apparatus for a cartridge accomodating a recording medium and an eject mechanism thereof
SONY CORP24 citations92
US7275963B2Oct 2, 2007
Storage medium loading mechanism and storage medium drive unit
SONY CORP12 citations84
US6088203AJul 11, 2000
Three position magnetic head vertical movement device
SONY CORP17 citations83
US6055124AApr 25, 2000
Recording and/or playback apparatus and recording medium recording and/or playback apparatus
SONY CORP16 citations83
US6067207AMay 23, 2000
Recording and/or reproducing apparatus including a slider with an inclined guide at a front end portion thereof
SONY CORP15 citations74
US5831958ANov 3, 1998
Recording and/or reproducing apparatus for a cartridge accommodating a recording medium and an eject mechanism thereof
SONY CORP15 citations74
US5144507ASep 1, 1992
Cassette tape recording and/or reproducing apparatus with a single pinch lever assembly
SONY CORP11 citations74
US6741525B2May 25, 2004
Recording and/or reproducing apparatus employing disc cartridge
SONY CORP7 citations73
US6249501B1Jun 19, 2001
Recording apparatus with resilient displacement member and limiter mechanism
SONY CORP10 citations73
US6178149B1Jan 23, 2001
Storage medium loading mechanism and storage medium storage and/or reproducing apparatus
SONY CORP12 citations73
US6038202AMar 14, 2000
Electronic equipment
SONY CORP7 citations73
US5894459AApr 13, 1999
Optical recording/reproducing device having a controller for reducing vibrational noise during recording by slowing moving speed of pickup
SONY CORP13 citations73
US6515954B1Feb 4, 2003
Recording and/or playback apparatus of a recording medium
SONY CORP10 citations72
US6337840B1Jan 8, 2002
Recording and/or playback apparatus of a recording medium
SONY CORP11 citations72
US7555763B2Jun 30, 2009
Disk cartridge
SONY CORP3 citations63
US7526782B2Apr 28, 2009
Shutter member for disc cartridge, disc cartridge and disc recording/reproducing apparatus
SONY CORP2 citations63
US7493635B2Feb 17, 2009
Recording medium drive device, electronic equipment having the recording medium drive device, and recording medium cartridge
SONY CORP3 citations63
US7475410B2Jan 6, 2009
Disc recording and/or playback apparatus
SONY CORP2 citations63
US7342744B2Mar 11, 2008
Disk recording and/or reproducing apparatus having eject lever contact portion movable from an insertion operation level to a different level at the ejecting operation
SONY CORP4 citations63
US6968562B2Nov 22, 2005
Recording and/or reproducing apparatus
SONY CORP5 citations63
US6208608B1Mar 27, 2001
Disk cartridge apparatus with ejection preventing mechanism using two driven levers
SONY CORP5 citations63
US5903535AMay 11, 1999
Disc cartridge loading mechanism with an oscillating gear and two levers controlling a cover and the ejecting of a disc from the disc player
SONY CORP2 citations63
US5276571AJan 4, 1994
Cassette tape player
SONY CORP2 citations63
US7540007B2May 26, 2009
Disk cartridge with shutter locking member
SONY CORP2 citations62
US7533394B2May 12, 2009
Disk recording and/or reproduction apparatus
SONY CORP2 citations62
US7224656B2May 29, 2007
Disc detection device and associated method
SONY CORP3 citations62
US6820274B1Nov 16, 2004
Magento-optic disc recording and/or reproducing device
SONY CORP2 citations62
US6809461B2Oct 26, 2004
Drive unit
SONY CORP4 citations62
US6804174B1Oct 12, 2004
Magneto-optical disk recording and/or reproducing device
SONY CORP5 citations62
US6631112B1Oct 7, 2003
Recording and/or reproducing apparatus with disc cartridge loading, holding and ejection mechanism
SONY CORP4 citations62
US6144629ANov 7, 2000
Disc cartridge loading apparatus
SONY CORP6 citations62
US5901015AMay 4, 1999
Magnetic head apparatus having a reduced thickness
SONY CORP2 citations62
USD398613SSep 22, 1998
Magnetic head
SONY CORP2 citations62
US6728188B1Apr 27, 2004
Recording and/or playback apparatus of a recording medium with a moving mechanism
SONY CORP4 citations61
US7010799B2Mar 7, 2006
Recording and/or reproducing apparatus
SONY CORP2 citations59
US6941571B2Sep 6, 2005
Recording and/or reproducing device
SONY CORP5 citations58
US5805553ASep 8, 1998
Holder device and holder mounting method in holder device
SONY CORP3 citations54
US7730504B2Jun 1, 2010
Disc cartridge
SONY CORP0 citations52
US7496934B2Feb 24, 2009
Chassis and cartridge holder with ejection mechanism for ejecting a cartridge from a disk apparatus
SONY CORP1 citations52
US7428740B2Sep 23, 2008
Recording medium drive apparatus and electronic equipment including the recording medium drive apparatus
SONY CORP1 citations52
US7356827B2Apr 8, 2008
Disk cartridge
SONY CORP0 citations52
US7209318B2Apr 24, 2007
Buffering mechanism and recording and/or reproducing apparatus
SONY CORP0 citations52
US7188351B2Mar 6, 2007
Disc cartridge
SONY CORP0 citations52
US6552873B2Apr 22, 2003
Recording and/or reproducing apparatus
SONY CORP1 citations52
US7526783B2Apr 28, 2009
Disk cartridge
SONY CORP0 citations51
US7263708B2Aug 28, 2007
Cartridge type recording medium, associated apparatus and methodology of disc detection
SONY CORP0 citations51
US7184371B2Feb 27, 2007
Optical pickup driver having piezoelectric elements of different voltages at start and steady state
SONY CORP1 citations47
MATSUDA MIKINORI
1 patentShowing the top 50 of 56 patents by PatentIndex Score.