Inventor · disambiguated record
Katsunori Murozaki
Also filed as: MUROZAKI KATSUNORI
10 granted patents·1 pending application·664 citations·filing 1997–2015
91Inventor score
Technology areasH04R
Top patents by PatentIndex Score
11 records- 0197US6560346B2Pipe microphone deviceSONY CORP·Filed 2001·Granted May 6, 2003·164 cites·1 claims
- 0297US5949896AEarphoneSONY CORP·Filed 1997·Granted Sep 7, 1999·352 cites·5 claims
- 0390US8270648B2Earpiece and electro-acoustic transducerMUROZAKI KATSUNORI·Filed 2008·Granted Sep 18, 2012·33 cites·6 claims
- 0489US6970572B2Headphone deviceSONY CORP·Filed 2001·Granted Nov 29, 2005·50 cites·6 claims
- 0587US7120268B2HeadphoneSONY CORP·Filed 2002·Granted Oct 10, 2006·41 cites·10 claims
- 0686US8208676B2Earpiece and earphoneMUROZAKI KATSUNORI·Filed 2009·Granted Jun 26, 2012·19 cites·11 claims
- 0770US9516402B2Earpiece and electro-acoustic transducer with protrusions and/or grooved passagesSONY CORP·Filed 2015·Granted Dec 6, 2016·2 cites·14 claims
- 0862US8767997B2Headphone deviceFUJIWARA KEITARO·Filed 2008·Granted Jul 1, 2014·3 cites·20 claims
- 0951US8983110B2Headphone deviceSONY CORP·Filed 2014·Granted Mar 17, 2015·0 cites·17 claims
- 1046US10321216B2Wearable deviceSONY CORP·Filed 2015·Granted Jun 11, 2019·0 cites·12 claims
- 1138US2011007926A1Headphone deviceSONY CORP·Filed 2010·Application pending·0 cites
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