Inventor
MURATA MORIHIRO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “MURATA MORIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
YAMAHA CORP
9 patentsUS6621783B1Sep 16, 2003
Methods of retrieving information from optical disk and controlling access and recording to optical disk, and optical disk recording apparatus
YAMAHA CORP100 citations97
US6424615B1Jul 23, 2002
Optical disk having plurality of volumes, recording device and reproduction device for same
YAMAHA CORP74 citations93
US7035172B1Apr 25, 2006
Method of logically erasing contents of a CD-RW disc while preserving disc ID
YAMAHA CORP22 citations92
US6363040B1Mar 26, 2002
CD-R medium recording method
YAMAHA CORP25 citations92
US6272081B1Aug 7, 2001
Optical disk and optical disk reproduction system
YAMAHA CORP30 citations92
US6243343B1Jun 5, 2001
Optical disk, optical disk reproducing device and optical disk reproduction system
YAMAHA CORP41 citations90
US5986980ANov 16, 1999
Optical disc device capable of recording information data as a plurality of linking packets
YAMAHA CORP19 citations83
US6693866B1Feb 17, 2004
Optical disk recording apparatus
YAMAHA CORP9 citations73
US7277369B2Oct 2, 2007
Optical disk capable of disabling incompatible recorder
YAMAHA CORP6 citations58
SONY CORP
4 patentsUS6781946B2Aug 24, 2004
Optical pickup apparatus and disk drive apparatus
SONY CORP26 citations92
US7191455B2Mar 13, 2007
Disk-type recording and/or reproducing apparatus and method of judging disc-shaped recording medium of disc-type recording and/or reproducing apparatus
SONY CORP11 citations82
US7469785B2Dec 30, 2008
Storage case
SONY CORP4 citations61
US7350220B2Mar 25, 2008
Disk drive unit
SONY CORP4 citations60