Inventor · disambiguated record
Masahisa Masuda
Also filed as: MASUDA MASAHISA
6 granted patents·1 pending application·319 citations·filing 2001–2008
85Inventor score
Top patents by PatentIndex Score
7 records- 0195USD458245SHeadset with loopback bandMATECH INC·Filed 2001·Granted Jun 4, 2002·140 cites·1 claims
- 0294US7072476B2Audio headsetMATECH INC·Filed 2003·Granted Jul 4, 2006·128 cites·17 claims
- 0385USD458244SHeadset with loopdown bandMATECH INC·Filed 2001·Granted Jun 4, 2002·37 cites·1 claims
- 0461US7881483B2Two-way communications device having a single transducerMATECH INC·Filed 2004·Granted Feb 1, 2011·9 cites·28 claims
- 0555US8315379B2Single transducer full duplex talking circuitMASUDA MASAHISA·Filed 2008·Granted Nov 20, 2012·3 cites·20 claims
- 0650US7826805B2Automatic-switching wireless communication deviceMATECH INC·Filed 2004·Granted Nov 2, 2010·2 cites·16 claims
- 0740US2002186858A1Loopdown and looparound headsetsFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →