Inventor
KAWAGUCHI MITSUYOSHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KAWAGUCHI MITSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
9 patentsUS7017170B2Mar 21, 2006
Disk cartridge with inner shell supported for rotation in guide groove formed in an upper shell
SONY CORP15 citations92
US7284254B2Oct 16, 2007
Disk cartridge and disk recording medium device having shutter members
SONY CORP7 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
US7127732B2Oct 24, 2006
Disc cartridge including an inner shell formed by severing a molded portion and a flanged thin-walled section
SONY CORP3 citations62
US7103900B2Sep 5, 2006
Disc cartridge with crank-shaped dust intrusion prohibiting unit
SONY CORP3 citations62
US7103898B2Sep 5, 2006
Method for producing inner shell for a disc cartridge
SONY CORP2 citations62
US7057854B2Jun 6, 2006
Disk cartridge having a dust-proof shutter
SONY CORP4 citations62
US6285820B1Sep 4, 2001
Video tape recorder
SONY CORP0 citations40
US7231646B2Jun 12, 2007
Disk-drive device
SONY CORP0 citations38