Inventor
NETSU NAOHIRO
JP14 patents
⚠️ This page may combine multiple inventors who share the name “NETSU NAOHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
12 patentsUS6747943B2Jun 8, 2004
Optical recording medium and disc cartridge
SONY CORP17 citations92
US7305689B2Dec 4, 2007
Optical recording medium and disc cartridge
SONY CORP4 citations74
US6785222B2Aug 31, 2004
Read-only optical recording medium and disc cartridge
SONY CORP7 citations74
US6704275B2Mar 9, 2004
Optical recording medium and disc cartridge having 2 GB capacity
SONY CORP7 citations74
US6741537B1May 25, 2004
Disk cartridge device operative with disk cartridges of different sizes and height
SONY CORP7 citations72
US6603725B2Aug 5, 2003
Disk cartridge apparatus
SONY CORP12 citations72
US6538984B2Mar 25, 2003
Disk cartridge and disk cartridge loading method
SONY CORP9 citations72
US7154839B2Dec 26, 2006
Optical pickup apparatus and signal recording and/or reproducing apparatus
SONY CORP2 citations62
US6741526B1May 25, 2004
Magnetic head device and recording/reproducing apparatus using the magnetic head device
SONY CORP6 citations61
US6700851B1Mar 2, 2004
Disk cartridge device for universally mounting and positioning disk cartridges having disks of different size diameters
SONY CORP5 citations61
US7454771B2Nov 18, 2008
Optical recording medium and disc cartridge
SONY CORP0 citations52
US7007292B2Feb 28, 2006
Disk cartridge device operative with disk cartridges of different sizes and height
SONY CORP0 citations51