Inventor
OKAZAWA HIRONORI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “OKAZAWA HIRONORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
21 patentsUS5936935AAug 10, 1999
Disk cartridge having a locking means and cartridge coupling means
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations96
US6971117B2Nov 29, 2005
Disc cartridge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations92
US6910219B2Jun 21, 2005
Disc cartridge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations92
US6782548B2Aug 24, 2004
Disc cartridge having a rotatable shutter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations92
US6728201B2Apr 27, 2004
Disc cartridge having a stopper member that protrudes toward a disc window
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations92
US7028322B2Apr 11, 2006
Disc cartridge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US7007291B2Feb 28, 2006
Disc cartridge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6215760B1Apr 10, 2001
Method and apparatus for using a disk cartridge with pull-out type case
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations74
US6118751ASep 12, 2000
Disk cartridge, disk drive and disk changer apparatus using the disk cartridge, and method for handling the disk cartridge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US6983477B2Jan 3, 2006
Disc cartridge having a shutter that includes a convex portion protruding into a center hole of the disc
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations73
US6831813B2Dec 14, 2004
Disc cartridge having a disc holding portion at a shutter
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations73
US7448056B2Nov 4, 2008
Disc cartridge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US7249364B2Jul 24, 2007
Methods and systems for scaling and rotating an image in a single operation
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US7103901B2Sep 5, 2006
Disc cartridge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
USD502941SMar 15, 2005
Disk cartridge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63
USD469103SJan 21, 2003
Disc cartridge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US7131131B2Oct 31, 2006
Disc cartridge having a disc window for viewing a disc
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations62
US6813236B2Nov 2, 2004
Mechanism for moving an optical head in an optical disk apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations58
US7290273B2Oct 30, 2007
Disc cartridge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
USD499422SDec 7, 2004
Disk cartridge
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations52
US7216357B2May 8, 2007
Disc cartridge having a shutter that includes a convex portion protruding into a center hole of the disc
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations51