Inventor · disambiguated record
Ken Tonegawa
Also filed as: TONEGAWA KEN
26 granted patents·706 citations·filing 1990–2011
97Inventor score
Top patents by PatentIndex Score
26 records- 0196US5404118ABand pass filter with resonator having spiral electrodes formed of coil electrodes on plurality of dielectric layersMURATA MANUFACTURING CO·Filed 1993·Granted Apr 4, 1995·89 cites·6 claims
- 0295US5140497AComposite electronic component and frequency adjustment method of the sameMURATA MANUFACTURING CO·Filed 1991·Granted Aug 18, 1992·115 cites·22 claims
- 0389US5357227ALaminated high-frequency low-pass filterMURATA MANUFACTURING CO·Filed 1993·Granted Oct 18, 1994·48 cites·10 claims
- 0488US7911294B2Variable-frequency band-elimination filterMURATA MANUFACTURING CO·Filed 2009·Granted Mar 22, 2011·18 cites·5 claims
- 0587US5783976AComposite high frequency apparatus and method of forming sameMURATA MANUFACTURING CO·Filed 1995·Granted Jul 21, 1998·47 cites·9 claims
- 0684US6711395B1Receiving module and receiverMURATA MANUFACTURING CO·Filed 2000·Granted Mar 23, 2004·26 cites·12 claims
- 0781US6252778B1Complex electronic componentMURATA MANUFACTURING CO·Filed 1998·Granted Jun 26, 2001·33 cites·12 claims
- 0880US5748054AHigh frequency hybrid switch operable in antenna diversity type portable telephoneMURATA MANUFACTURING CO·Filed 1996·Granted May 5, 1998·40 cites·23 claims
- 0980US5510802ASurface-mountable antenna unitMURATA MANUFACTURING CO·Filed 1994·Granted Apr 23, 1996·53 cites·47 claims
- 1078US5770986AStripline filter with a stripline-formed parallel capacitorMURATA MANUFACTURING CO·Filed 1995·Granted Jun 23, 1998·28 cites·17 claims
- 1177US5999065AComposite high-frequency componentMURATA MANUFACTURING CO·Filed 1997·Granted Dec 7, 1999·26 cites·11 claims
- 1276US6700792B1High-frequency composite component and portable wireless device incorporating the componentMURATA MANUFACTURING CO·Filed 2000·Granted Mar 2, 2004·20 cites·7 claims
- 1372US8390392B2Variable capacitance module and matching circuit moduleNAGAI TOMOHIRO·Filed 2011·Granted Mar 5, 2013·5 cites·10 claims
- 1469US6748207B1Power distributing and synthesizing device and mobile communication equipment using sameMURATA MANUFACTURING CO·Filed 2000·Granted Jun 8, 2004·10 cites·8 claims
- 1569US6177850B1Two frequency filter comprising an inductance device, a resonator, and a switching deviceMURATA MANUFACTURING CO·Filed 1999·Granted Jan 23, 2001·21 cites·4 claims
- 1667US5351020ABand-pass filter having three or more loop-shaped electrodesMURATA MANUFACTURING CO·Filed 1993·Granted Sep 27, 1994·20 cites·11 claims
- 1767US5075650ABandpass filterMURATA MANUFACTURING CO·Filed 1990·Granted Dec 24, 1991·20 cites·14 claims
- 1866US6424233B1Complex electronic component with a first multilayer filter having a cavity in which a second filter is mountedMURATA MANUFACTURING CO·Filed 2001·Granted Jul 23, 2002·9 cites·11 claims
- 1963US6111478AFilter with a switch having capacitanceMURATA MANUFACTURING CO·Filed 1998·Granted Aug 29, 2000·17 cites·11 claims
- 2063US6100776AHigh-frequency composite transmission section with switch, LC filter, and notch filterMURATA MANUFACTURING CO·Filed 1999·Granted Aug 8, 2000·15 cites·1 claims
- 2159US8401492B2High frequency switch moduleUEJIMA TAKANORI·Filed 2010·Granted Mar 19, 2013·1 cites·10 claims
- 2256US5990732AComposite high frequency apparatus and method of forming sameMURATA MANUFACTURING CO·Filed 1998·Granted Nov 23, 1999·15 cites·19 claims
- 2355US5532658AMounting structure for electronic componentMURATA MANUFACTURING CO·Filed 1994·Granted Jul 2, 1996·19 cites·28 claims
- 2448US5105176ADielectric resonator and a manufacturing method thereofMURATA MANUFACTURING CO·Filed 1990·Granted Apr 14, 1992·9 cites·9 claims
- 2544US6429753B1High-frequency filter, complex electronic component using the same, and portable radio apparatus using the sameMURATA MANUFACTURING CO·Filed 2000·Granted Aug 6, 2002·1 cites·24 claims
- 2631US6069541AHigh-frequency filter, with an inductor for forming a pole, complex electronic component using the same, and portable radio apparatus using the sameMURATA MANUFACTURING CO·Filed 1998·Granted May 30, 2000·1 cites·16 claims
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