Inventor · disambiguated record
Masayuki Atokawa
Also filed as: ATOKAWA MASAYUKI
22 granted patents·2 pending applications·369 citations·filing 1995–2012
95Inventor score
Top patents by PatentIndex Score
24 records- 0193US6697605B1High-frequency circuit apparatus and communication apparatusMURATA MANUFACTURING CO·Filed 2000·Granted Feb 24, 2004·66 cites·6 claims
- 0293US6522220B2Frequency variable filter, antenna duplexer, and communication apparatus incorporating the sameMURATA MANUFACTURING CO·Filed 2001·Granted Feb 18, 2003·46 cites·9 claims
- 0390US6308051B1Antenna duplexerMURATA MANUFACTURING CO·Filed 1998·Granted Oct 23, 2001·56 cites·5 claims
- 0485US6483399B1Duplexer and communication apparatus with first and second filters, the second filter having plural switch selectable saw filtersMURATA MANUFACTURING CO·Filed 2000·Granted Nov 19, 2002·30 cites·13 claims
- 0583US6414566B1Frequency-characteristics variable filter, duplexer, and communication apparatusMURATA MANUFACTURING CO·Filed 2000·Granted Jul 2, 2002·19 cites·9 claims
- 0679US6307448B1Frequency-variable-type filter, antenna duplexer, and communication apparatusMURATA MANUFACTURING CO·Filed 1999·Granted Oct 23, 2001·27 cites·18 claims
- 0778US6351195B1High frequency circuit device, antenna-sharing device, and communication apparatus having spaced apart ground electrodesMURATA MANUFACTURING CO·Filed 2000·Granted Feb 26, 2002·26 cites·9 claims
- 0875US5604470ADuplexer having transmit and receive sections mounted on a single substrateMURATA MANUFACTURING CO·Filed 1995·Granted Feb 18, 1997·24 cites·14 claims
- 0974US6111482ADielectric variable-frequency filter having a variable capacitance connected to a resonatorMURATA MANUFACTURING CO·Filed 1998·Granted Aug 29, 2000·24 cites·17 claims
- 1072US6411176B1Voltage-controlled duplexer and communication apparatusMURATA MANUFACTURING CO·Filed 2000·Granted Jun 25, 2002·13 cites·8 claims
- 1156US6970056B2Filter assembly and communication apparatusMURATA MANUFACTURING CO·Filed 2002·Granted Nov 29, 2005·4 cites·16 claims
- 1255US6288620B1Antenna-duplexer and communication apparatusMURATA MANUFACTURING CO·Filed 1999·Granted Sep 11, 2001·22 cites·20 claims
- 1353US6885261B2Dielectric filter, antenna sharing device, and communication device having a voltage controlled reactance element for tuning the center frequencyMURATA MANUFACTURING CO·Filed 2001·Granted Apr 26, 2005·3 cites·9 claims
- 1452US6590475B2Filter, antenna duplexer, and communication apparatus incorporating the sameMURATA MANUFACTURING CO·Filed 2001·Granted Jul 8, 2003·2 cites·10 claims
- 1549US6940364B2Dielectric filter, dielectric duplexer, and communication apparatusMURATA MANUFACTURING CO·Filed 2004·Granted Sep 6, 2005·2 cites·13 claims
- 1648US6545565B1Filter, antenna sharing device, and communication deviceMURATA MANUFACTURING CO·Filed 2000·Granted Apr 8, 2003·2 cites·11 claims
- 1742US2013021211A1Antenna and mobile communication apparatusMURATA MANUFACTURING CO·Filed 2012·Application pending·0 cites
- 1840US7825752B2Dielectric filter having a dielectric block with input/output electrodes of a bent shape at corner portions of the blockMURATA MANUFACTURING CO·Filed 2009·Granted Nov 2, 2010·0 cites·12 claims
- 1940US7760050B2Dielectric filter having tapered input/output electrodesMURATA MANUFACTURING CO·Filed 2009·Granted Jul 20, 2010·0 cites·9 claims
- 2039US2011187603A1Dielectric antenna and wireless communication deviceMURATA MANUFACTURING CO·Filed 2011·Application pending·0 cites
- 2137US7482898B2Dielectric filter, dielectric duplexer, and communication apparatusMURATA MANUFACTURING CO·Filed 2006·Granted Jan 27, 2009·0 cites·32 claims
- 2234US9780441B2Antenna and wireless communication deviceKOMAKI KUNIHIRO·Filed 2012·Granted Oct 3, 2017·0 cites·14 claims
- 2332US6369668B1Duplexer and communication apparatus including the sameMURATA MANUFACTURING CO·Filed 1999·Granted Apr 9, 2002·3 cites·6 claims
- 2430US6963258B2Variable-frequency resonator circuit, variable-frequency filter, shared-antenna device, and communication deviceMURATA MANUFACTURING CO·Filed 2002·Granted Nov 8, 2005·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →