Inventor · disambiguated record
Yoshihiro Tsukahara
Also filed as: TSUKAHARA YOSHIHIRO
27 granted patents·5 pending applications·133 citations·filing 1995–2020
95Inventor score
Top patents by PatentIndex Score
32 records- 0190US7411471B2High-frequency switchMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Aug 12, 2008·22 cites·6 claims
- 0284US9035423B1Semiconductor device with inductor having interleaved windings for controlling capacitanceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted May 19, 2015·7 cites·9 claims
- 0377US9741674B2Semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Aug 22, 2017·2 cites·5 claims
- 0475US7106146B2High frequency switchMITSUBISHI ELECTRIC CORP·Filed 2004·Granted Sep 12, 2006·12 cites·9 claims
- 0568US6534725B2High-frequency circuit board and semiconductor device using the high-frequency circuit boardMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Mar 18, 2003·8 cites·6 claims
- 0666US8279013B2Power amplifier and MMIC using the sameTSUKAHARA YOSHIHIRO·Filed 2011·Granted Oct 2, 2012·3 cites·6 claims
- 0766US6320476B1Millimeter-band semiconductor switching circuitMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Nov 20, 2001·17 cites·17 claims
- 0866US5675290AMicrowave amplifier circuitMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Oct 7, 1997·24 cites·4 claims
- 0962US8653880B2Switch circuit having improved RF power characteristicsTSUKAHARA YOSHIHIRO·Filed 2012·Granted Feb 18, 2014·2 cites·2 claims
- 1061US10116273B2Current reuse field effect transistor amplifierMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Oct 30, 2018·1 cites·7 claims
- 1161US8416032B2Semiconductor switch, transceiver, transmitter, and receiverTSUKAHARA YOSHIHIRO·Filed 2010·Granted Apr 9, 2013·2 cites·17 claims
- 1261US8092201B2Vane pump with coated vanesTSUKAHARA YOSHIHIRO·Filed 2008·Granted Jan 10, 2012·2 cites·16 claims
- 1361US5949287APower amplifierMITSUBISHI ELECTRIC CORP·Filed 1998·Granted Sep 7, 1999·21 cites·4 claims
- 1460US9203357B2Power amplifierMIWA SHINICHI·Filed 2012·Granted Dec 1, 2015·2 cites·16 claims
- 1560US8728866B2Method for manufacturing semiconductor deviceKANAYA KO·Filed 2011·Granted May 20, 2014·2 cites·8 claims
- 1659US8089329B2Semiconductor switch, semiconductor switch MMIC, changeover switch RF module, power resistance switch RF module, and transmitter and receiver moduleTSUKAHARA YOSHIHIRO·Filed 2009·Granted Jan 3, 2012·2 cites·16 claims
- 1758US9810216B2Vane pump unitSHOWA CORP·Filed 2014·Granted Nov 7, 2017·0 cites·7 claims
- 1856US7898358B2Millimeter waveband switchMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Mar 1, 2011·1 cites·7 claims
- 1955US12463147B2Semiconductor device and method for manufacturing semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Nov 4, 2025·0 cites·9 claims
- 2052US9565764B2Inductor and MMICMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Feb 7, 2017·0 cites·14 claims
- 2145US7576625B2Millimeter-band switching circuitMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Aug 18, 2009·0 cites·9 claims
- 2244US9691722B2Surface mount high-frequency circuitMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Jun 27, 2017·0 cites·8 claims
- 2343US9553568B2Frequency multiplierMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Jan 24, 2017·0 cites·7 claims
- 2443US2022109431A1Phase shifter and method of manufacturing phase shifterMITSUBISHI ELECTRIC CORP·Filed 2019·Application pending·0 cites
- 2538US2010052799A1Voltage controlled oscillator, mmic, and high frequency wireless deviceMITSUBISHI ELECTRIC CORP·Filed 2009·Application pending·0 cites
- 2636US6765454B2Semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Jul 20, 2004·0 cites·16 claims
- 2736US2011175686A1High frequency second harmonic oscillatorMITSUBISHI ELECTRIC CORP·Filed 2010·Application pending·0 cites
- 2833US5543752AMicrowave amplifier circuit having reduced harmonic distortionMITSUBISHI ELECTRIC CORP·Filed 1995·Granted Aug 6, 1996·3 cites·6 claims
- 2933US2012299178A1Semiconductor deviceKANAYA KO·Filed 2012·Application pending·0 cites
- 3032US8440538B2Method of manufacturing airbridgeKOSAKA NAOKI·Filed 2011·Granted May 14, 2013·0 cites·15 claims
- 3132US2002140492A1Matching circuit and semiconductor deviceFiled 2001·Application pending·0 cites
- 3229US5812033AMicrowave integrated circuitMITSUBISHI ELECTRIC CORP·Filed 1996·Granted Sep 22, 1998·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →