Inventor
MUROZAKI KATSUNORI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “MUROZAKI KATSUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
7 patentsUS6560346B2May 6, 2003
Pipe microphone device
SONY CORP164 citations98
US5949896ASep 7, 1999
Earphone
SONY CORP352 citations98
US7120268B2Oct 10, 2006
Headphone
SONY CORP41 citations92
US6970572B2Nov 29, 2005
Headphone device
SONY CORP50 citations92
US9516402B2Dec 6, 2016
Earpiece and electro-acoustic transducer with protrusions and/or grooved passages
SONY CORP2 citations61
US10321216B2Jun 11, 2019
Wearable device
SONY CORP0 citations51
US8983110B2Mar 17, 2015
Headphone device
SONY CORP0 citations48