Feng; Hongshu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Feng; Hongshu.The latest application filed is for "sound adsorbing material and speaker box".

Company Profile

11.7.11

Feng; Hongshu - Shenzhen CN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Acoustic absorption material and speaker Grant 11,356,768 - Feng , et al. June 7, 2	2022-06-07
Sound absorbing material, method for process same and speaker using same Grant 11,140,475 - Tang , et al. October 5, 2	2021-10-05
Sound absorbing material and speaker box using same Grant 11,109,149 - Feng , et al. August 31, 2	2021-08-31
Molecular sieve, preparation thereof and acoustic absorption material and speaker containing the same Grant 11,014,820 - Tang , et al. May 25, 2	2021-05-25
Sound absorbing material and speaker box using same Grant 10,939,195 - Dai , et al. March 2, 2	2021-03-02
Sound Adsorbing Material And Speaker Box App 20200211524 - Feng; Hongshu ; et al.	2020-07-02
Low-frequency Improvement Material And Speaker System Using Same App 20200031678 - Feng; Hongshu ; et al.	2020-01-30
Sound Absorbing Material, Method Processing Same And Speaker Box Using Same App 20200031679 - Tang; Kun ; et al.	2020-01-30
Sound Absorbing Material, Method For Process Same And Speaker Using Same App 20200037065 - Tang; Kun ; et al.	2020-01-30
Sound Absorbing Material And Speaker Using Same App 20200037066 - Feng; Hongshu ; et al.	2020-01-30
Sound Absorbing Material And Speaker Box Using Same App 20200037062 - Dai; Jiqiang ; et al.	2020-01-30
Sound Absorbing Material And Speaker Box Using Same App 20200037063 - Feng; Hongshu ; et al.	2020-01-30
Acoustic Absorption Material And Speaker App 20190238972 - Feng; Hongshu ; et al.	2019-08-01
Molecular sieve, preparation thereof and acoustic absorption material and speaker containing the same App 20190202706 - Tang; Kun ; et al.	2019-07-04
Sound absorbing material and manufacturing method thereof and speaker using sound absorbing material Grant 10,271,130 - Feng	2019-04-23
Sound Absorbing Material And Manufacturing Method Thereof And Speaker Using Sound Absorbing Material App 20180167721 - Feng; Hongshu	2018-06-14

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