Hongshu Feng

Person

Shenzhen, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Sound adsorbing material and speaker box
- Patent number 11,488,570
- Issue date Nov 1, 2022
- AAC Technologies Pte. Ltd.
- Hongshu Feng
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic absorption material and speaker
- Patent number 11,356,768
- Issue date Jun 7, 2022
- AAC Technologies Pte. Ltd.
- Hongshu Feng
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound absorbing material, method for process same and speaker using...
- Patent number 11,140,475
- Issue date Oct 5, 2021
- AAC Acoustic Technologies (Shenzhen) Co., Ltd.
- Kun Tang
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Sound absorbing material and speaker box using same
- Patent number 11,109,149
- Issue date Aug 31, 2021
- AAC Acoustic Technologies (Shenzhen) Co., Ltd.
- Hongshu Feng
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Molecular sieve, preparation thereof and acoustic absorption materi...
- Patent number 11,014,820
- Issue date May 25, 2021
- AAC Technologies Pte. Ltd.
- Kun Tang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Sound absorbing material and speaker box using same
- Patent number 10,939,195
- Issue date Mar 2, 2021
- AAC Acoustic Technologies (Shenzhen) Co., Ltd.
- Jiqiang Dai
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sound absorbing material and manufacturing method thereof and speak...
- Patent number 10,271,130
- Issue date Apr 23, 2019
- AAC Technologies Pte. Ltd.
- Hongshu Feng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SOUND ADSORBING MATERIAL AND SPEAKER BOX
- Publication number 20200211524
- Publication date Jul 2, 2020
- AAC Technologies Pte. Ltd.
- Hongshu Feng
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOUND ABSORBING MATERIAL AND SPEAKER BOX USING SAME
- Publication number 20200037062
- Publication date Jan 30, 2020
- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
- Jiqiang Dai
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SOUND ABSORBING MATERIAL AND SPEAKER USING SAME
- Publication number 20200037066
- Publication date Jan 30, 2020
- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
- Hongshu Feng
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SOUND ABSORBING MATERIAL AND SPEAKER BOX USING SAME
- Publication number 20200037063
- Publication date Jan 30, 2020
- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
- Hongshu Feng
- C01 - INORGANIC CHEMISTRY
Information Patent Application
LOW-FREQUENCY IMPROVEMENT MATERIAL AND SPEAKER SYSTEM USING SAME
- Publication number 20200031678
- Publication date Jan 30, 2020
- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
- Hongshu Feng
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SOUND ABSORBING MATERIAL, METHOD PROCESSING SAME AND SPEAKER BOX US...
- Publication number 20200031679
- Publication date Jan 30, 2020
- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
- Kun Tang
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SOUND ABSORBING MATERIAL, METHOD FOR PROCESS SAME AND SPEAKER USING...
- Publication number 20200037065
- Publication date Jan 30, 2020
- AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD
- Kun Tang
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ACOUSTIC ABSORPTION MATERIAL AND SPEAKER
- Publication number 20190238972
- Publication date Aug 1, 2019
- AAC Technologies Pte. Ltd.
- Hongshu Feng
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Molecular sieve, preparation thereof and acoustic absorption materi...
- Publication number 20190202706
- Publication date Jul 4, 2019
- AAC Technologies Pte. Ltd.
- Kun Tang
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SOUND ABSORBING MATERIAL AND MANUFACTURING METHOD THEREOF AND SPEAK...
- Publication number 20180167721
- Publication date Jun 14, 2018
- AAC Technologies Pte. Ltd.
- Hongshu Feng
- C01 - INORGANIC CHEMISTRY

Hongshu Feng

Person

Patents Grantslast 30 patents

Sound adsorbing material and speaker box

Acoustic absorption material and speaker

Sound absorbing material, method for process same and speaker using...

Sound absorbing material and speaker box using same

Molecular sieve, preparation thereof and acoustic absorption materi...

Sound absorbing material and speaker box using same

Sound absorbing material and manufacturing method thereof and speak...

Patents Applicationslast 30 patents

SOUND ADSORBING MATERIAL AND SPEAKER BOX

SOUND ABSORBING MATERIAL AND SPEAKER BOX USING SAME

SOUND ABSORBING MATERIAL AND SPEAKER USING SAME

SOUND ABSORBING MATERIAL AND SPEAKER BOX USING SAME

LOW-FREQUENCY IMPROVEMENT MATERIAL AND SPEAKER SYSTEM USING SAME

SOUND ABSORBING MATERIAL, METHOD PROCESSING SAME AND SPEAKER BOX US...

SOUND ABSORBING MATERIAL, METHOD FOR PROCESS SAME AND SPEAKER USING...

ACOUSTIC ABSORPTION MATERIAL AND SPEAKER

Molecular sieve, preparation thereof and acoustic absorption materi...

SOUND ABSORBING MATERIAL AND MANUFACTURING METHOD THEREOF AND SPEAK...