Inventor · disambiguated record
Isao Takenaka
Also filed as: TAKENAKA ISAO
21 granted patents·6 pending applications·86 citations·filing 1999–2025
93Inventor score
Files withMURATA MANUFACTURING CO19NEC COMPOUND SEMICONDUCTOR2NEC CORP2RENESAS ELECTRONICS CORP2NEC ELECTRONICS CORP1
Top patents by PatentIndex Score
27 records- 0190US10554180B2Power amplifier module, frontend circuit, and communication deviceMURATA MANUFACTURING CO·Filed 2019·Granted Feb 4, 2020·7 cites·20 claims
- 0288US11463118B2Radio frequency module and communication deviceMURATA MANUFACTURING CO·Filed 2021·Granted Oct 4, 2022·2 cites·19 claims
- 0386US10992267B2Power amplifier module, frontend circuit, and communication deviceMURATA MANUFACTURING CO·Filed 2020·Granted Apr 27, 2021·2 cites·14 claims
- 0477US11870401B2Power amplifier module, frontend circuit, and communication deviceMURATA MANUFACTURING CO·Filed 2023·Granted Jan 9, 2024·0 cites·18 claims
- 0576US10476531B2High-frequency front-end circuitMURATA MANUFACTURING CO·Filed 2017·Granted Nov 12, 2019·3 cites·14 claims
- 0676US10298273B2Demultiplexing apparatus and method of designing the apparatusMURATA MANUFACTURING CO·Filed 2018·Granted May 21, 2019·2 cites·20 claims
- 0773US7843262B2High efficiency power amplifierNEC ELECTRONICS CORP·Filed 2009·Granted Nov 30, 2010·8 cites·8 claims
- 0873US6529099B1180° phase shift circuit having an improved isolation characteristicNEC COMPOUND SEMICONDUCTOR·Filed 2000·Granted Mar 4, 2003·12 cites·6 claims
- 0971US11601096B2Power amplifier module, frontend circuit, and communication deviceMURATA MANUFACTURING CO·Filed 2021·Granted Mar 7, 2023·0 cites·22 claims
- 1069US6396342B1Microwave amplifier generating distortion-reduced high output microwave powerNEC CORP·Filed 2000·Granted May 28, 2002·18 cites·32 claims
- 1168US10879942B2Demultiplexing apparatus and method of designing the apparatusMURATA MANUFACTURING CO·Filed 2019·Granted Dec 29, 2020·1 cites·19 claims
- 1265US10367455B2High-frequency front end circuitMURATA MANUFACTURING CO·Filed 2018·Granted Jul 30, 2019·1 cites·6 claims
- 1365US6614311B2Micro-wave power amplifierNEC COMPOUND SEMICONDUCTOR·Filed 2001·Granted Sep 2, 2003·14 cites·13 claims
- 1461US12057878B2Radio-frequency circuit and communication deviceMURATA MANUFACTURING CO·Filed 2022·Granted Aug 6, 2024·0 cites·8 claims
- 1561US9209752B2High-frequency amplifierRENESAS ELECTRONICS CORP·Filed 2013·Granted Dec 8, 2015·2 cites·18 claims
- 1660US6377134B1Phase shifter having two transmission signal paths independently coupled with unbalanced signal transmission path and balanced signal transmission pathNEC CORP·Filed 1999·Granted Apr 23, 2002·14 cites·16 claims
- 1760US2025088161A1Amplifier circuit and communication deviceMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 1859US2025038774A1Radio frequency circuitMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 1958US2025266854A1Radio-frequency circuitMURATA MANUFACTURING CO·Filed 2024·Application pending·0 cites
- 2056US12095492B2Radio frequency module and communication deviceMURATA MANUFACTURING CO·Filed 2022·Granted Sep 17, 2024·0 cites·14 claims
- 2156US11588217B2High-frequency moduleMURATA MANUFACTURING CO·Filed 2020·Granted Feb 21, 2023·0 cites·20 claims
- 2256US2024195366A1Amplifier circuit and radio-frequency circuitMURATA MANUFACTURING CO·Filed 2023·Application pending·0 cites
- 2356US2025266796A1Radio-frequency circuitMURATA MANUFACTURING CO·Filed 2025·Application pending·0 cites
- 2454US10432149B1High-frequency front end circuitMURATA MANUFACTURING CO·Filed 2019·Granted Oct 1, 2019·0 cites·6 claims
- 2553US12126370B2High-frequency module and communication apparatusMURATA MANUFACTURING CO·Filed 2022·Granted Oct 22, 2024·0 cites·14 claims
- 2644US2016134244A1High-frequency amplifierRENESAS ELECTRONICS CORP·Filed 2015·Application pending·0 cites
- 2731US8431963B2Field-effect transistorTAKENAKA ISAO·Filed 2010·Granted Apr 30, 2013·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →