Liqun Na

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Northville, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Motor operating region based random pulse width modulation
- Patent number 10,538,169
- Issue date Jan 21, 2020
- Ford Global Technologies, LLC
- Xuemei Sun
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Active sound desensitization to tonal noise in a vehicle
- Patent number 10,224,017
- Issue date Mar 5, 2019
- Ford Global Technologies, LLC
- Ming-Ran Lee
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Subband algorithm with threshold for robust broadband active noise...
- Patent number 10,121,464
- Issue date Nov 6, 2018
- Ford Global Technologies, LLC
- Ming-Ran Lee
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Variable bandwidth delayless subband algorithm for broadband active...
- Patent number 9,837,065
- Issue date Dec 5, 2017
- Ford Global Technologies, LLC
- Ming-Ran Lee
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
MOTOR OPERATING REGION BASED RANDOM PULSE WIDTH MODULATION
- Publication number 20190366854
- Publication date Dec 5, 2019
- Xuemei Sun
- B60 - VEHICLES IN GENERAL
Information Patent Application
ACTIVE SOUND DESENSITIZATION TO TONAL NOISE IN A VEHICLE
- Publication number 20180315413
- Publication date Nov 1, 2018
- Ford Global Technologies, LLC
- Ming-Ran Lee
- B60 - VEHICLES IN GENERAL
Information Patent Application
Subband Algorithm With Threshold For Robust Broadband Active Noise...
- Publication number 20160163304
- Publication date Jun 9, 2016
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Ming-Ran Lee
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Variable Bandwidth Delayless Subband Algorithm For Broadband Active...
- Publication number 20160163305
- Publication date Jun 9, 2016
- FORD GLOBAL TECHNOLOGIES, L.L.C.
- Ming-Ran Lee
- G10 - MUSICAL INSTRUMENTS ACOUSTICS