Inventor · disambiguated record
Yunfei Ma
Also filed as: MA YUNFEI
24 granted patents·4 pending applications·68 citations·filing 2009–2024
93Inventor score
Files withMASSACHUSETTS INST TECHNOLOGY11KNOWLES ELECTRONICS LLC6CONTEMPORARY AMPEREX TECHNOLOGY CO LTD2UNIV HUAZHONG SCIENCE TECH2CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD1
Top patents by PatentIndex Score
28 records- 0195US11787688B2Methods of forming MEMS diaphragms including corrugationsKNOWLES ELECTRONICS LLC·Filed 2020·Granted Oct 17, 2023·4 cites·15 claims
- 0290US8559086B2Piezoresistive sensors for MEMS device having rejection of undesired motionDAVIS WYATT O·Filed 2010·Granted Oct 15, 2013·16 cites·20 claims
- 0388US11206494B2Microphone device with ingress protectionKNOWLES ELECTRONICS LLC·Filed 2019·Granted Dec 21, 2021·5 cites·22 claims
- 0484US10701662B2Methods and apparatus for wideband localizationMASSACHUSETTS INST TECHNOLOGY·Filed 2019·Granted Jun 30, 2020·4 cites·15 claims
- 0583US8218218B2Fatigue resistant MEMS apparatus and systemTAUSCHER JASON B·Filed 2009·Granted Jul 10, 2012·18 cites·9 claims
- 0681US10575277B2Methods and apparatus for wideband localizationMASSACHUSETTS INST TECHNOLOGY·Filed 2018·Granted Feb 25, 2020·3 cites·15 claims
- 0778US11477555B2Acoustic transducers having non-circular perimetral release holesKNOWLES ELECTRONICS LLC·Filed 2020·Granted Oct 18, 2022·1 cites·20 claims
- 0876US10872209B2Methods and apparatus for radio frequency sensing in diverse environmentsMASSACHUSETTS INST TECHNOLOGY·Filed 2019·Granted Dec 22, 2020·3 cites·9 claims
- 0975US10946448B2Cold additive and hot forging combined forming method of amorphous alloy partsUNIV HUAZHONG SCIENCE TECH·Filed 2018·Granted Mar 16, 2021·1 cites·10 claims
- 1074US9645234B2RFID device, methods and applicationsKHAN EDWIN C·Filed 2013·Granted May 9, 2017·12 cites·28 claims
- 1168US11978879B1Deviation-correcting method and apparatus for double-sided coatingCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Granted May 7, 2024·0 cites·13 claims
- 1268US11604250B2Methods and apparatus for wideband localizationMASSACHUSETTS INST TECHNOLOGY·Filed 2021·Granted Mar 14, 2023·0 cites·17 claims
- 1366US2020280953A1Methods and Apparatus for Wideband LocalizationMASSACHUSETTS INST TECHNOLOGY·Filed 2020·Application pending·0 cites
- 1465US11671766B2Microphone device with ingress protectionKNOWLES ELECTRONICS LLC·Filed 2021·Granted Jun 6, 2023·0 cites·18 claims
- 1565US10921419B2Methods and apparatus for wideband localizationMASSACHUSETTS INST TECHNOLOGY·Filed 2018·Granted Feb 16, 2021·1 cites·17 claims
- 1663US12182988B2Coating size correction method and apparatus, device, storage medium, and program productCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD·Filed 2024·Granted Dec 31, 2024·0 cites·18 claims
- 1761US10879983B2Methods and apparatus for multi-frequency beamformingMASSACHUSETTS INST TECHNOLOGY·Filed 2020·Granted Dec 29, 2020·0 cites·23 claims
- 1860US12509344B2Microelectromechanical systems dieKNOWLES ELECTRONICS LLC·Filed 2022·Granted Dec 30, 2025·0 cites·18 claims
- 1960US10870577B2Methods of forming MEMS diaphragms including corrugationsKNOWLES ELECTRONICS LLC·Filed 2019·Granted Dec 22, 2020·0 cites·30 claims
- 2058US2024265526A1Electrode plate detection apparatus, method and systemCONTEMPORARY AMPEREX TECHNOLOGY CO LTD·Filed 2024·Application pending·0 cites
- 2156US2024161606A1Systems and methods for identifying and ranking traffic bottlenecksGeotab Inc·Filed 2023·Application pending·0 cites
- 2255US10693544B2Methods and apparatus for multi-frequency beamformingMASSACHUSETTS INST TECHNOLOGY·Filed 2019·Granted Jun 23, 2020·0 cites·23 claims
- 2355US10389429B2Full-duplex, bi-directional, analog relayMASSACHUSETTS INST TECHNOLOGY·Filed 2018·Granted Aug 20, 2019·0 cites·12 claims
- 2454US10516470B2Method for relaying signals via a full-duplex, bi-directional relayMASSACHUSETTS INST TECHNOLOGY·Filed 2019·Granted Dec 24, 2019·0 cites·12 claims
- 2552US11308291B2Methods and apparatus for radio frequency sensing in diverse environmentsMASSACHUSETTS INST TECHNOLOGY·Filed 2020·Granted Apr 19, 2022·0 cites·20 claims
- 2649US2023366993A1Systems and methods for lidar signal processingSHANGHAI LINGFANG TECH CO LTD·Filed 2023·Application pending·0 cites
- 2747US11000896B2Preparation method of tungsten particle reinforced amorphous matrix compositesUNIV HUAZHONG SCIENCE TECH·Filed 2018·Granted May 11, 2021·0 cites·10 claims
- 2839US11895364B2Bluetooth connection method and televisionHISENSE VISUAL TECH CO LTD·Filed 2021·Granted Feb 6, 2024·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →