P

Inventor

JITSUKAWA KEIJI

JP8 patents
⚠️ This page may combine multiple inventors who share the name “JITSUKAWA KEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

5 patents
US7467395B2Dec 16, 2008

Disc drive device

SONY CORP11 citations83
US7958520B2Jun 7, 2011

Disk drive device

SONY CORP5 citations61
US7594240B2Sep 22, 2009

Disk drive apparatus

SONY CORP2 citations61
US6392839B2May 21, 2002

Door structure of a recording and/or reproducing apparatus

SONY CORP3 citations60
US9355673B2May 31, 2016

Recording medium delivery mechanism and recording medium changer

SONY CORP0 citations40

SONY COMPUTER ENTERTAINMENT INC

2 patents
US6714405B2Mar 30, 2004

Vibration damping apparatus for damping external vibrations

SONY COMPUTER ENTERTAINMENT INC31 citations90
US6822843B2Nov 23, 2004

External storage device and entertainment system incorporating the same

SONY COMPUTER ENTERTAINMENT INC12 citations71

NEGORO HISASHI

1 patent
US8141109B2Mar 20, 2012

Disc drive apparatus and electronic apparatus

NEGORO HISASHI0 citations27