Inventor · disambiguated record
Morikazu Sagawa
Also filed as: SAGAWA MORIKAZU
42 granted patents·5 pending applications·2,055 citations·filing 1980–2013
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD40MURAKAMI YUTAKA2MATSUSHITA IND ELECTRIC CO LTD1OPTIS WIRELESS TECHNOLOGY LLC1UNIV ELECTRO COMMUNICATIONS1
Top patents by PatentIndex Score
47 records- 0199US6531991B2Dielectric resonator antenna for a mobile communicationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Mar 11, 2003·255 cites·3 claims
- 0298US5903239AMicro-patch antenna connected to circuits chipsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted May 11, 1999·411 cites·27 claims
- 0398US5697063AIndoor radio communication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Dec 9, 1997·313 cites·41 claims
- 0497US5510758AMultilayer microstrip wiring board with a semiconductor device mounted thereon via bumpsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 23, 1996·269 cites·1 claims
- 0595US6198450B1Dielectric resonator antenna for a mobile communicationFiled 2000·Granted Mar 6, 2001·107 cites·4 claims
- 0694US5055809AResonator and a filter including the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Oct 8, 1991·74 cites·18 claims
- 0794US4749963AOscillator having stripline loop resonatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Jun 7, 1988·102 cites·5 claims
- 0883US9270008B2Transmission line resonator, bandpass filter using transmission line resonator, multiplexer, balanced-to-unbalanced transformer, power divider, unbalanced-to-balanced transformer, frequency mixer, and balance-type filterWADA KOJI·Filed 2012·Granted Feb 23, 2016·6 cites·22 claims
- 0982US4985690ADielectric stepped impedance resonatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jan 15, 1991·34 cites·3 claims
- 1080US6121861APlane type strip line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonatedMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 19, 2000·22 cites·8 claims
- 1180US5534831APlane type strip-line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonatedMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jul 9, 1996·23 cites·14 claims
- 1277US7233630B2Modulation method and radio communication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jun 19, 2007·15 cites·14 claims
- 1374US6418173B1Transmission ApparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jul 9, 2002·28 cites·28 claims
- 1474US4583064AStrip-line resonatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Apr 15, 1986·21 cites·20 claims
- 1573US6400774B1Nonlinearity-caused distortion compensating systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jun 4, 2002·79 cites·39 claims
- 1671US5715532AFrequency converter apparatus with distortion compensating circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Feb 3, 1998·38 cites·18 claims
- 1771US5138284APush-push oscillator using a transmission line resonator and differential outputMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Aug 11, 1992·34 cites·16 claims
- 1869US6990160B1Reception apparatus and methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 24, 2006·15 cites·18 claims
- 1968US6407718B2Dielectric resonator antenna for a mobile communicationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jun 18, 2002·14 cites·12 claims
- 2064US7289577B2Modulation method and radio communication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Oct 30, 2007·1 cites·4 claims
- 2164US6201458B1Plane type strip-line filter in which strip line is shortened and mode resonator in which two types microwaves are independently resonatedMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 13, 2001·16 cites·5 claims
- 2264US5684440APlane type strip line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonatedMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Nov 4, 1997·11 cites·8 claims
- 2360US4679003AFrequency divider circuit and frequency synthesizer using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Jul 7, 1987·15 cites·14 claims
- 2457USRE45037EMethod for modulation and transmission apparatusOPTIS WIRELESS TECHNOLOGY LLC·Filed 2013·Granted Jul 22, 2014·0 cites·34 claims
- 2557US5400416AOptical modulation device with coupled line structure and method of driving the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Mar 21, 1995·20 cites·24 claims
- 2656US5334961AStrip-line type bandpass filterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Aug 2, 1994·14 cites·6 claims
- 2755US5880656APlane type strip line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonatedMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Mar 9, 1999·7 cites·7 claims
- 2855US5448197AFrequency conversion circuit and mixing circuit including the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Sep 5, 1995·18 cites·9 claims
- 2954US6608843B1Pilot signal transmission technique and digital communication system using sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Aug 19, 2003·15 cites·34 claims
- 3054US2012236966A1Modulation method and radio communication systemMURAKAMI YUTAKA·Filed 2012·Application pending·0 cites
- 3153US6294969B1Dielectric filter and RF apparatus employing thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 25, 2001·9 cites·38 claims
- 3252US2008240289A1Pilot signal transmission technique and digital communication system using sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2008·Application pending·0 cites
- 3351USRE43338EModulation method and radio communication systemMURAKAMI YUTAKA·Filed 2010·Granted May 1, 2012·0 cites·14 claims
- 3449US5530777AOptical modulation deviceMATSUSHITA IND ELECTRIC CO LTD·Filed 1995·Granted Jun 25, 1996·18 cites·7 claims
- 3547US4315333ACircuit arrangement for a wide-band VHF-UHF television double superheterodyne receiverMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Feb 9, 1982·11 cites·6 claims
- 3646US5517163ADielectric coaxial resonatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted May 14, 1996·8 cites·25 claims
- 3746US2004095899A1Pilot signal transmission technique and digital communication system using sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Application pending·0 cites
- 3844US9356333B2Transmission line resonator, band-pass filter and branching filterUNIV ELECTRO COMMUNICATIONS·Filed 2012·Granted May 31, 2016·0 cites·11 claims
- 3944US5748059APlane type strip-line filter in which strip line is shortened and dual mode resonator in which two types microwaves are independently resonatedMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted May 5, 1998·4 cites·1 claims
- 4044US5559485ADielectric resonatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Sep 24, 1996·7 cites·31 claims
- 4142US4638180AFrequency divider circuitsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Jan 20, 1987·6 cites·15 claims
- 4240US5587690ARing resonator oscillator usable in frequency synthesizers and communication apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Dec 24, 1996·5 cites·46 claims
- 4340US2001024483A1Radio reception apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Application pending·0 cites
- 4439US7362824B1Modulation method and radio communication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Apr 22, 2008·6 cites·14 claims
- 4537US4361820AHybrid microwave circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Nov 30, 1982·4 cites·5 claims
- 4635US2003067995A1Transmission apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Application pending·0 cites
- 4730US5055804AOscillatorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Oct 8, 1991·0 cites·3 claims
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