Inventor · disambiguated record
Akihito Hirai
Also filed as: HIRAI AKIHITO
19 granted patents·2 pending applications·23 citations·filing 2011–2025
88Inventor score
Files withMITSUBISHI ELECTRIC CORP16AOI ELECTRONICS CO LTD2HIRAI AKIHITO1IMAKI MASAHARU1TAJIMA KENICHI1
Top patents by PatentIndex Score
21 records- 0186US9007600B2Laser radar systemIMAKI MASAHARU·Filed 2011·Granted Apr 14, 2015·20 cites·1 claims
- 0273US11233495B2MixerMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Jan 25, 2022·1 cites·4 claims
- 0368US2025202448A1Variable gain amplifier and phase shifterMITSUBISHI ELECTRIC CORP·Filed 2025·Application pending·0 cites
- 0467US12199360B2Antenna deviceMITSUBISHI ELECTRIC CORP·Filed 2023·Granted Jan 14, 2025·0 cites·7 claims
- 0562US10763826B2Polyphase filterMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Sep 1, 2020·1 cites·4 claims
- 0661US10958223B2AmplifierMITSUBISHI ELECTRIC CORP·Filed 2016·Granted Mar 23, 2021·1 cites·5 claims
- 0758US12444726B2Active phased array antenna comprising a pseudo wafer including multiple feedersMITSUBISHI ELECTRIC CORP·Filed 2022·Granted Oct 14, 2025·0 cites·14 claims
- 0855US12238861B2Composite printed wiring board and method of manufacturing composite printed wiring boardMITSUBISHI ELECTRIC CORP·Filed 2022·Granted Feb 25, 2025·0 cites·13 claims
- 0954US11879917B2Phase detectorMITSUBISHI ELECTRIC CORP·Filed 2021·Granted Jan 23, 2024·0 cites·10 claims
- 1053US11297695B2Dielectric heating device and dielectric heating electrodesMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Apr 5, 2022·0 cites·7 claims
- 1149US10854560B2Semiconductor device and semiconductor device manufacturing methodAOI ELECTRONICS CO LTD·Filed 2019·Granted Dec 1, 2020·0 cites·6 claims
- 1246US11463047B2MixerMITSUBISHI ELECTRIC CORP·Filed 2021·Granted Oct 4, 2022·0 cites·19 claims
- 1341US11870447B2Phase synchronization deviceMITSUBISHI ELECTRIC CORP·Filed 2021·Granted Jan 9, 2024·0 cites·20 claims
- 1441US2016112223A1Signal processing deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Application pending·0 cites
- 1540US11405001B2Image rejection mixer and communication circuitMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Aug 2, 2022·0 cites·1 claims
- 1640US10854557B2Semiconductor device packaging with metallic shielding layerAOI ELECTRONICS CO LTD·Filed 2016·Granted Dec 1, 2020·0 cites·11 claims
- 1739US11012078B1IQ signal sourceMITSUBISHI ELECTRIC CORP·Filed 2017·Granted May 18, 2021·0 cites·12 claims
- 1837US11088698B2Phase-locked loop circuitMITSUBISHI ELECTRIC CORP·Filed 2020·Granted Aug 10, 2021·0 cites·13 claims
- 1937US10944360B2Local oscillatorMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Mar 9, 2021·0 cites·10 claims
- 2034US9503980B2Start signal generating apparatusHIRAI AKIHITO·Filed 2013·Granted Nov 22, 2016·0 cites·8 claims
- 2132US9385900B2Signal transmission systemTAJIMA KENICHI·Filed 2013·Granted Jul 5, 2016·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →