Inventor · disambiguated record
Kotaro Takagi
Also filed as: TAKAGI KOTARO
21 granted patents·6 pending applications·519 citations·filing 1984–2020
96Inventor score
Top patents by PatentIndex Score
27 records- 0197US7183870B2Resonant circuit and a voltage-controlled oscillatorSONY ERICSSON MOBILE COMM JP·Filed 2004·Granted Feb 27, 2007·71 cites·8 claims
- 0293US7221919B2Receiver circuit and radio communication terminal apparatusSONY ERICSSON MOBILE COMM JP·Filed 2004·Granted May 22, 2007·60 cites·12 claims
- 0389US5068626ACharge pump circuitSONY CORP·Filed 1990·Granted Nov 26, 1991·65 cites·11 claims
- 0487US10143092B2Circuit substrate and method for manufacturing the sameIBIDEN CO LTD·Filed 2016·Granted Nov 27, 2018·6 cites·20 claims
- 0582US6226504B1Receiving apparatusSONY CORP·Filed 1998·Granted May 1, 2001·48 cites·96 claims
- 0679US5251329ARadio telephone apparatus with microphone mounted in battery caseSONY CORP·Filed 1991·Granted Oct 5, 1993·86 cites·7 claims
- 0777US7279994B2Variable capacitance circuit having on/off switch for variable capacitance function, and voltage controlled oscillator using the variable capacitance circuitSONY ERICSSON MOBILE COMM JP·Filed 2005·Granted Oct 9, 2007·9 cites·4 claims
- 0872US9831163B2Circuit substrate and method for manufacturing the sameIBIDEN CO LTD·Filed 2016·Granted Nov 28, 2017·2 cites·20 claims
- 0970US8592691B2Printed wiring boardFURUTA TORU·Filed 2010·Granted Nov 26, 2013·3 cites·7 claims
- 1070US8153905B2Method for manufacturing printed wiring board and printed wiring boardFURUTA TORU·Filed 2010·Granted Apr 10, 2012·3 cites·20 claims
- 1169US7031748B2Radio signal receiving apparatus and demodulating circuitSONY CORP·Filed 2002·Granted Apr 18, 2006·11 cites·4 claims
- 1268US5036301AFilter apparatusSONY CORP·Filed 1990·Granted Jul 30, 1991·22 cites·10 claims
- 1366US8410374B2Printed wiring boardFURUTA TORU·Filed 2009·Granted Apr 2, 2013·3 cites·10 claims
- 1466US6556636B1Digital communication apparatus having level controller with a disturbance detection unitSONY CORP·Filed 1998·Granted Apr 29, 2003·60 cites·3 claims
- 1564US5153530APhase locked loop system having an oscillator providing a phase adjustable output under control of a charge pump circuitSONY CORP·Filed 1991·Granted Oct 6, 1992·23 cites·6 claims
- 1659US5749057ATelephone handset for hands-free use in an auto mobileSONY CORP·Filed 1995·Granted May 5, 1998·30 cites·3 claims
- 1750US10966326B2Wiring substrate and method for manufacturing wiring substrateIBIDEN CO LTD·Filed 2020·Granted Mar 30, 2021·0 cites·20 claims
- 1847US9480156B2Method for manufacturing printed wiring boardFURUTA TORU·Filed 2012·Granted Oct 25, 2016·0 cites·9 claims
- 1947US6115473AReceiving apparatus for digital broadcastingSONY CORP·Filed 1998·Granted Sep 5, 2000·12 cites·5 claims
- 2046US2010221414A1Method for manufacturing printed wiring boardIBIDEN CO LTD·Filed 2009·Application pending·0 cites
- 2145US2012103931A1Method for manufacturing printed wiring board and printed wiring boardFURUTA TORU·Filed 2012·Application pending·0 cites
- 2244US2009154377A1Wireless Communication ApparatusTSUDA SHINICHIRO·Filed 2007·Application pending·0 cites
- 2343US9294336B2Wireless communication device, router, wireless communication system, and wireless communication methodMIZUSAWA NISHIKI·Filed 2011·Granted Mar 22, 2016·0 cites·18 claims
- 2441US4568979ATelevision receiver muting apparatusSONY CORP·Filed 1984·Granted Feb 4, 1986·5 cites·19 claims
- 2540US2002021762A1Multi-band transmission & reception-signal-generating apparatus, multi-band transmission & reception-signal-generating method and multi-band-radio-signal-transmitting & receiving apparatusFiled 2001·Application pending·0 cites
- 2640US2002049075A1Multiband portable radio terminalFiled 2001·Application pending·0 cites
- 2734US2016143134A1Wiring board with built-in metal block and method for manufacturing the sameIBIDEN CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →