Inventor · disambiguated record
Vitor Freitas
Also filed as: FREITAS VITOR · FREITAS VITOR ANDRADE
10 granted patents·5 pending applications·19 citations·filing 2017–2022
81Inventor score
Top patents by PatentIndex Score
15 records- 0190US10978917B2RF-to-DC converterDRAYSON TECH EUROPE LTD·Filed 2018·Granted Apr 13, 2021·13 cites·17 claims
- 0281US11610089B2ApparatusFREEVOLT TECH LIMITED·Filed 2022·Granted Mar 21, 2023·1 cites·20 claims
- 0379US11295187B2Near field RF communication enabled devices with auxiliary functionsDRAYSON TECH EUROPE LTD·Filed 2018·Granted Apr 5, 2022·3 cites·19 claims
- 0467US11031824B2Apparatus and method for RF energy harvestingDRAYSON TECH EUROPE LTD·Filed 2017·Granted Jun 8, 2021·2 cites·19 claims
- 0546US12333363B2Method and apparatus for controlling circuitry with particular application to smartcardsDRAYSON TECH EUROPE LTD·Filed 2021·Granted Jun 17, 2025·0 cites·20 claims
- 0643US11361209B2Power electronics for use in smart cards and other applicationsFREEVOLT TECH LIMITED·Filed 2019·Granted Jun 14, 2022·0 cites·18 claims
- 0742US11984917B2Electronics for use in smart cards and other near field RF communications enabled systemsDRAYSON TECH EUROPE LTD·Filed 2020·Granted May 14, 2024·0 cites·20 claims
- 0842US11889619B2Circuitry for use in smart cards and other applicationsFREEVOLT TECH LIMITED·Filed 2019·Granted Jan 30, 2024·0 cites·17 claims
- 0939US11995490B2Circuitry for use in smart cards and other applicationsFREEVOLT TECH LIMITED·Filed 2019·Granted May 28, 2024·0 cites·20 claims
- 1039US11095165B2RF power harvesterDRAYSON TECH EUROPE LTD·Filed 2018·Granted Aug 17, 2021·0 cites·13 claims
- 1138US2024127010A1Adaptive power storage circuit for apparatus such as smartcards & method of operating a power storage circuitFREEVOLT TECH LIMITED·Filed 2022·Application pending·0 cites
- 1238US2021119490A1An rf power harvesting insert for a wristwatchDRAYSON TECH EUROPE LTD·Filed 2018·Application pending·0 cites
- 1336US2020194874A1Loop rectennaDRAYSON TECH EUROPE LTD·Filed 2018·Application pending·0 cites
- 1434US2019044237A1Energy harvesting circuit boardDRAYSON TECH EUROPE LTD·Filed 2017·Application pending·0 cites
- 1532US2022407566A1Impedance matching in near-field rf communication devicesDRAYSON TECH EUROPE LTD·Filed 2020·Application pending·0 cites
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