Inventor · disambiguated record
Makoto Sakakura
Also filed as: SAKAKURA MAKOTO
25 granted patents·1 pending application·568 citations·filing 1993–2007
97Inventor score
Top patents by PatentIndex Score
26 records- 0198US7081795B2Predistortion circuit, low-distortion power amplifier, and control methods thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jul 25, 2006·68 cites·2 claims
- 0297US6456172B1Multilayered ceramic RF deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 24, 2002·99 cites·23 claims
- 0391US6639471B2Power amplifier circuit, control method for power amplifier circuit, and portable terminal apparatus for mobile communicationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Oct 28, 2003·54 cites·12 claims
- 0489US5852384ADual band oscillator circuit using strip line resonatorsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Dec 22, 1998·52 cites·13 claims
- 0585US7075383B2Frequency modulator, frequency modulating method, and wireless circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 11, 2006·25 cites·10 claims
- 0684US6989713B2Predistortion circuit, low-distortion power amplifier, and control methods thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jan 24, 2006·9 cites·2 claims
- 0783US6664882B2High-Q inductor for high frequencyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Dec 16, 2003·28 cites·2 claims
- 0882US5559474AFrequency synthesizer with controllable loop filterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Sep 24, 1996·52 cites·23 claims
- 0977US7038557B2Antenna duplexer and mobile communication device using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted May 2, 2006·18 cites·30 claims
- 1075US6169461B1High-frequency oscillating circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jan 2, 2001·26 cites·28 claims
- 1170US6269253B1Multi-mode wireless communication systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Jul 31, 2001·44 cites·13 claims
- 1269US7224238B2Frequency modulator, frequency modulating method, and wireless circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted May 29, 2007·5 cites·12 claims
- 1365US6590449B2Predistortion circuit, low-distortion power amplifier, and control methods thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 8, 2003·8 cites·10 claims
- 1462US5475350AFrequency tunable resonator including a varactorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Dec 12, 1995·16 cites·28 claims
- 1560US6166613AVoltage-controlled resonator, method of fabricating the same, method of tuning the same, and mobile communication apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Dec 26, 2000·13 cites·22 claims
- 1658US6072376AFilter with low-noise amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Jun 6, 2000·13 cites·14 claims
- 1756US6933780B2Predistortion circuit and power amplifierMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 23, 2005·8 cites·19 claims
- 1850US6459915B2External adapter for a portable cellular phoneMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Oct 1, 2002·18 cites·19 claims
- 1949US6891462B2High-Q inductor for high frequencyMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted May 10, 2005·3 cites·1 claims
- 2048US7142614B2Signal generating circuit for generating a reference phase signal and a quadrature signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 28, 2006·2 cites·22 claims
- 2145US6960958B2Predistortion circuit, low-distortion power amplifier, and control methods thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Nov 1, 2005·2 cites·2 claims
- 2244US7876170B2Frequency modulator, frequency modulating method, and wireless circuitPANASONIC CORP·Filed 2007·Granted Jan 25, 2011·0 cites·10 claims
- 2342US2004014449A1Radio interference suppression circuit and method, antenna multiplexer, transceiver circuit, and communication apparatusFiled 2003·Application pending·0 cites
- 2441US6960957B2Predistortion circuit, low-distortion power amplifier, and control methods thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Nov 1, 2005·1 cites·9 claims
- 2537US6977548B2Predistortion circuit, low-distortion power amplifier, and control methods thereforMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Dec 20, 2005·0 cites·1 claims
- 2631US7127215B2Transmitting/receiving switchMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Oct 24, 2006·4 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →