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For the Inventor, By the Inventor

Scarsdale, NY, United States of America

Acoustic Metamaterials LLC


USPTO Granted Patents = 15



Forward Citations = 61

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2 inventors (with patents filed for the assignee):

goldMedal Gopal Prasad Mathur (14 out of 32 patents)

silverMedal Abhishek Mathur (1 out of 1 patent)


15 patents:

1. 12375846 - Loudspeaker system having an acoustic meta material enclosure (2025-07-29),
2. 11727909 - Meta material porous/poro-elastic sound absorbers (2023-08-15),
3. 11721314 - Methods and systems for modifying acoustics of a loudspeaker back enclosure using active noise control (2023-08-08),
4. 11640816 - Metamaterial acoustic impedance matching device for headphone-type devices (2023-05-02),
5. 11443725 - Acoustic meta material passive spiral audio amplifier and a method to make the same (2022-09-13),
6. 11381905 - Passive acoustic meta material audio amplifier and the method to make the same (2022-07-05),
7. 11323798 - Metamaterial passive impedance matching device for a loudspeaker (2022-05-03),
8. 11289786 - Metamaterial loudspeaker diaphragm (2022-03-29),
9. 11172288 - Methods and systems for modifying acoustics of a loudspeaker back enclosure using active noise control (2021-11-09),
10. 10950212 - Acoustic meta material passive spiral audio amplifier and a method to make the same (2021-03-16),
11. 10735851 - Passive acoustic meta material audio amplifier and the method to make the same (2020-08-04),
12. 10701478 - Meta acoustic horn system for audio amplification and the method to make the same (2020-06-30),
13. 10616679 - Passive acoustic meta material audio amplifier and the method to make the same (2020-04-07),
14. 9759447 - Acoustic metamaterial noise control method and apparatus for ducted systems (2017-09-12),
15. 9390702 - Acoustic metamaterial architectured composite layers, methods of manufacturing the same, and methods for noise control using the same (2016-07-12),
Company Overview
Acoustic Metamaterials LLC, based in Scarsdale, NY, specializes in the development of innovative acoustic materials designed to manipulate sound waves in unique ways. The company focuses on creating advanced solutions for noise control, sound absorption, and vibration management, leveraging cutting-edge research in metamaterials. Their technology has applications across various industries, including construction, automotive, and consumer electronics, aiming to enhance acoustic performance and improve user experiences.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

15 Patents

#1 in Scarsdale, NY

#1,219 in New York

#21,052 in US

#39,921 in the World

Scarsdale, NY (US)
Scarsdale, NY, United States of America

Acoustic Metamaterials LLC

Forward Citations = 61

2 inventors:

goldMedal Gopal Prasad Mathur (14 out of 32 patents)

silverMedal Abhishek Mathur (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Acoustic Metamaterials LLC. Retrieved from https://idiyas.com/company/acoustic-metamaterials

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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