Inventor
MA YUNFEI
US30 patents
⚠️ This page may combine multiple inventors who share the name “MA YUNFEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MASSACHUSETTS INST TECHNOLOGY
10 patentsUS10701662B2Jun 30, 2020
Methods and apparatus for wideband localization
MASSACHUSETTS INST TECHNOLOGY4 citations72
US10575277B2Feb 25, 2020
Methods and apparatus for wideband localization
MASSACHUSETTS INST TECHNOLOGY3 citations72
US10872209B2Dec 22, 2020
Methods and apparatus for radio frequency sensing in diverse environments
MASSACHUSETTS INST TECHNOLOGY3 citations65
US11604250B2Mar 14, 2023
Methods and apparatus for wideband localization
MASSACHUSETTS INST TECHNOLOGY0 citations61
US10921419B2Feb 16, 2021
Methods and apparatus for wideband localization
MASSACHUSETTS INST TECHNOLOGY1 citations61
US11308291B2Apr 19, 2022
Methods and apparatus for radio frequency sensing in diverse environments
MASSACHUSETTS INST TECHNOLOGY0 citations54
US10516470B2Dec 24, 2019
Method for relaying signals via a full-duplex, bi-directional relay
MASSACHUSETTS INST TECHNOLOGY0 citations50
US10389429B2Aug 20, 2019
Full-duplex, bi-directional, analog relay
MASSACHUSETTS INST TECHNOLOGY0 citations50
US10879983B2Dec 29, 2020
Methods and apparatus for multi-frequency beamforming
MASSACHUSETTS INST TECHNOLOGY0 citations49
US10693544B2Jun 23, 2020
Methods and apparatus for multi-frequency beamforming
MASSACHUSETTS INST TECHNOLOGY0 citations49
KNOWLES ELECTRONICS LLC
6 patentsUS11787688B2Oct 17, 2023
Methods of forming MEMS diaphragms including corrugations
KNOWLES ELECTRONICS LLC4 citations74
US11206494B2Dec 21, 2021
Microphone device with ingress protection
KNOWLES ELECTRONICS LLC5 citations72
US11671766B2Jun 6, 2023
Microphone device with ingress protection
KNOWLES ELECTRONICS LLC0 citations61
US11477555B2Oct 18, 2022
Acoustic transducers having non-circular perimetral release holes
KNOWLES ELECTRONICS LLC1 citations61
US12509344B2Dec 30, 2025
Microelectromechanical systems die
KNOWLES ELECTRONICS LLC0 citations53
US10870577B2Dec 22, 2020
Methods of forming MEMS diaphragms including corrugations
KNOWLES ELECTRONICS LLC0 citations52
QUALCOMM INC
5 patentsUS10069474B2Sep 4, 2018
Encapsulation of acoustic resonator devices
QUALCOMM INC4 citations73
US10171112B2Jan 1, 2019
RF multiplexer with integrated directional couplers
QUALCOMM INC2 citations70
US10490348B2Nov 26, 2019
Two-dimensional structure to form an embedded three-dimensional structure
QUALCOMM INC0 citations52
US10332671B2Jun 25, 2019
Solenoid inductor
QUALCOMM INC0 citations52
US10187031B2Jan 22, 2019
Tunable matching network
QUALCOMM INC0 citations52
UNIV HUAZHONG SCIENCE TECH
2 patentsCONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD
2 patentsUS12574646B2Mar 10, 2026
Detection apparatus and method, computer device, storage medium, and program product
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations48
US12182988B2Dec 31, 2024
Coating size correction method and apparatus, device, storage medium, and program product
CONTEMPORARY AMPEREX TECHNOLOGY HONG KONG LTD0 citations44