Inventor
OBATA MANABU
JP26 patents
⚠️ This page may combine multiple inventors who share the name “OBATA MANABU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
22 patentsUS7017170B2Mar 21, 2006
Disk cartridge with inner shell supported for rotation in guide groove formed in an upper shell
SONY CORP15 citations92
US6728199B2Apr 27, 2004
Disk cartridge
SONY CORP31 citations92
US6700741B2Mar 2, 2004
Disk cartridge with a plurality of shutter members
SONY CORP24 citations92
US6275459B1Aug 14, 2001
Disc apparatus
SONY CORP23 citations86
US6839900B2Jan 4, 2005
Disk cartridge, a method of manufacturing same, and a recording/reproducing system
SONY CORP13 citations83
US6700863B2Mar 2, 2004
Disk cartridge
SONY CORP7 citations74
US7284254B2Oct 16, 2007
Disk cartridge and disk recording medium device having shutter members
SONY CORP7 citations73
US6973660B2Dec 6, 2005
Disk driver
SONY CORP8 citations73
US6944875B2Sep 13, 2005
Disc cartridge with shutter overlapping gap having labyrinth shaped portion spaced to have a recessed dust deposition portion
SONY CORP7 citations73
US7051349B2May 23, 2006
Disc cartridge, disc recording medium unit and disc recorder and/or reproducer
SONY CORP2 citations63
US6900965B2May 31, 2005
Disk cartridge
SONY CORP4 citations63
US7127732B2Oct 24, 2006
Disc cartridge including an inner shell formed by severing a molded portion and a flanged thin-walled section
SONY CORP3 citations62
US7103898B2Sep 5, 2006
Method for producing inner shell for a disc cartridge
SONY CORP2 citations62
US7103900B2Sep 5, 2006
Disc cartridge with crank-shaped dust intrusion prohibiting unit
SONY CORP3 citations62
US7057854B2Jun 6, 2006
Disk cartridge having a dust-proof shutter
SONY CORP4 citations62
US7856641B2Dec 21, 2010
Disk drive device and centering members therefor
SONY CORP6 citations61
US7676819B2Mar 9, 2010
Disk conveying apparatus
SONY CORP3 citations61
US6964056B2Nov 8, 2005
Disk type recording and reproducing device
SONY CORP2 citations61
US7350220B2Mar 25, 2008
Disk drive unit
SONY CORP4 citations60
US7222351B2May 22, 2007
Shutter closing mechanism and disc driving apparatus
SONY CORP2 citations60
US7137129B2Nov 14, 2006
Disk drive apparatus
SONY CORP3 citations60
US7237247B2Jun 26, 2007
Disc cartridge having deeper concave portion continuous with shutter opener/closer groove
SONY CORP0 citations41