Gopal P. Mathur

Person

Mission Viejo, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Meta material porous/poro-elastic sound absorbers
- Patent number 11,727,909
- Issue date Aug 15, 2023
- ACOUSTIC METAMATERIALS LLC
- Gopal Prasad Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Methods and systems for modifying acoustics of a loudspeaker back e...
- Patent number 11,721,314
- Issue date Aug 8, 2023
- ACOUSTIC METAMATERIALS LLC
- Gopal Prasad Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Metamaterial acoustic impedance matching device for headphone-type...
- Patent number 11,640,816
- Issue date May 2, 2023
- ACOUSTIC METAMATERIALS LLC
- Gopal Prasad Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic meta material passive spiral audio amplifier and a method...
- Patent number 11,443,725
- Issue date Sep 13, 2022
- ACOUSTIC METAMATERIALS LLC
- Gopal P. Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Passive acoustic meta material audio amplifier and the method to ma...
- Patent number 11,381,905
- Issue date Jul 5, 2022
- ACOUSTIC METAMATERIALS LLC
- Gopal P. Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Metamaterial passive impedance matching device for a loudspeaker
- Patent number 11,323,798
- Issue date May 3, 2022
- ACOUSTIC METAMATERIALS LLC
- Gopal P. Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Metamaterial loudspeaker diaphragm
- Patent number 11,289,786
- Issue date Mar 29, 2022
- ACOUSTIC METAMATERIALS LLC
- Gopal P. Mathur
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Methods and systems for modifying acoustics of a loudspeaker back e...
- Patent number 11,172,288
- Issue date Nov 9, 2021
- ACOUSTIC METAMATERIALS LLC
- Gopal Prasad Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic meta material passive spiral audio amplifier and a method...
- Patent number 10,950,212
- Issue date Mar 16, 2021
- ACOUSTIC METAMATERIALS LLC
- Gopal P. Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Passive acoustic meta material audio amplifier and the method to ma...
- Patent number 10,735,851
- Issue date Aug 4, 2020
- ACOUSTIC METAMATERIALS LLC
- Gopal P. Mathur
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Meta acoustic horn system for audio amplification and the method to...
- Patent number 10,701,478
- Issue date Jun 30, 2020
- ACOUSTIC METAMATERIALS LLC
- Gopal Prasad Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Passive acoustic meta material audio amplifier and the method to ma...
- Patent number 10,616,679
- Issue date Apr 7, 2020
- ACOUSTIC METAMATERIALS LLC
- Gopal P. Mathur
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Acoustic holographic recording and reproduction system using meta m...
- Patent number 10,304,490
- Issue date May 28, 2019
- ACOUSTIX VR INC.
- Gopal P. Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Active acoustic meta material loudspeaker system and the process to...
- Patent number 9,930,443
- Issue date Mar 27, 2018
- ACOUSTIX VR INC.
- Gopal P. Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Acoustic metamaterial noise control method and apparatus for ducted...
- Patent number 9,759,447
- Issue date Sep 12, 2017
- Acoustic Metameterials, Inc.
- Gopal P. Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Active acoustic meta material loudspeaker system and the process to...
- Patent number 9,762,994
- Issue date Sep 12, 2017
- ACOUSTIX VR INC.
- Gopal P. Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise reduction system for composite structures
- Patent number 9,353,518
- Issue date May 31, 2016
- The Boeing Company
- Gopal Prasad Mathur
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Noise reduction system for composite structures
- Patent number 8,770,343
- Issue date Jul 8, 2014
- The Boeing Company
- Gopal Prasad Mathur
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Acoustic damping device for noise reduction
- Patent number 8,657,067
- Issue date Feb 25, 2014
- The Boeing Company
- Gopal Prasad Mathur
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Multifunctional nano-skin articles and methods
- Patent number 8,479,880
- Issue date Jul 9, 2013
- The Boeing Company
- Gopal P. Mathur
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Exhaust washed structure and associated composite structure and met...
- Patent number 8,192,570
- Issue date Jun 5, 2012
- The Boeing Company
- Michael L. Hand
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Noise reduction system for structures
- Patent number 8,127,889
- Issue date Mar 6, 2012
- The Boeing Company
- Gopal Prasad Mathur
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Exhaust washed structure and associated composite structure and met...
- Patent number 8,043,690
- Issue date Oct 25, 2011
- The Boeing Company
- Michael L. Hand
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Grant
Noise shield for a launch vehicle
- Patent number 7,913,813
- Issue date Mar 29, 2011
- The Boeing Company
- Gopal Prasad Mathur
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Method and apparatus for reducing acoustic noise
- Patent number 7,267,196
- Issue date Sep 11, 2007
- The Boeing Company
- Gopal P. Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Piezoelectric damping system for reducing noise transmission throug...
- Patent number 6,563,250
- Issue date May 13, 2003
- The Boeing Co.
- Gopal Prasad Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Damped structural panel and method of making same
- Patent number 6,266,427
- Issue date Jul 24, 2001
- McDonnell Douglas Corporation
- Gopal P. Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Active noise control using blocked mode approach
- Patent number 6,031,917
- Issue date Feb 29, 2000
- McDonnell Douglas Corporation
- Gopal P. Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Wavenumber-adaptive control of sound radiation from structures usin...
- Patent number 5,519,637
- Issue date May 21, 1996
- McDonnell Douglas Corporation
- Gopal Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Methods and Systems for Modifying Acoustics of a Loudspeaker Back E...
- Publication number 20230282195
- Publication date Sep 7, 2023
- Acoustic Metamaterials LLC
- Gopal Prasad Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Methods and Systems for Modifying Acoustics of a Loudspeaker Back E...
- Publication number 20220093076
- Publication date Mar 24, 2022
- Acoustic Metamaterials LLC
- Gopal Prasad Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Metamaterial Loudspeaker Diaphragm
- Publication number 20210384602
- Publication date Dec 9, 2021
- Acoustic Metamaterials LLC
- Gopal P. Mathur
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Acoustic Meta Material Passive Spiral Audio Amplifier and a Method...
- Publication number 20210264889
- Publication date Aug 26, 2021
- Acoustic Metamaterials LLC
- Gopal P. Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Passive Acoustic Meta Material Audio Amplifier and the Method to Ma...
- Publication number 20200213721
- Publication date Jul 2, 2020
- Acoustic Metamaterials LLC
- Gopal P. Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Passive Acoustic Meta Material Audio Amplifier and the Method to Ma...
- Publication number 20200037064
- Publication date Jan 30, 2020
- Acoustic Metamaterials LLC
- Gopal P. Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Acoustic Holographic Recording and Reproduction System Using Meta M...
- Publication number 20190295592
- Publication date Sep 26, 2019
- AcoustiX VR Inc.
- Gopal P. Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Passive Acoustic Meta Material Audio Amplifier and the Method to Ma...
- Publication number 20180359558
- Publication date Dec 13, 2018
- Acoustic Metamaterials LLC
- Gopal P. Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Acoustic Holographic Recording and Reproduction System Using Meta M...
- Publication number 20180130491
- Publication date May 10, 2018
- AcoustiX VR Inc.
- Gopal P. Mathur
- G11 - INFORMATION STORAGE
Information Patent Application
ACOUSTIC METAMATERIAL NOISE CONTROL METHOD AND APPARATUS FOR DUCTED...
- Publication number 20170261226
- Publication date Sep 14, 2017
- Acoustic Metameterials, Inc.
- Gopal P. Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Active Acoustic Meta Material Loudspeaker System and the Process to...
- Publication number 20170085981
- Publication date Mar 23, 2017
- AcoustiX VR Inc.
- Gopal P. Mathur
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NOISE REDUCTION SYSTEM FOR COMPOSITE STRUCTURES
- Publication number 20140299409
- Publication date Oct 9, 2014
- Gopal Prasad Mathur
- B32 - LAYERED PRODUCTS
Information Patent Application
Noise Reduction System for Composite Structures
- Publication number 20130126267
- Publication date May 23, 2013
- The Boeing Company
- Gopal Prasad Mathur
- B32 - LAYERED PRODUCTS
Information Patent Application
EXHAUST WASHED STRUCTURE AND ASSOCIATED COMPOSITE STRUCTURE AND MET...
- Publication number 20120066882
- Publication date Mar 22, 2012
- The Boeing Company
- Michael L. Hand
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
MULTIFUNCTIONAL NANO-SKIN ARTICLES AND METHODS
- Publication number 20120064285
- Publication date Mar 15, 2012
- Gopal P. Mathur
- B32 - LAYERED PRODUCTS
Information Patent Application
Exhaust Washed Structure And Associated Composite Structure And Met...
- Publication number 20090263627
- Publication date Oct 22, 2009
- The Boeing Company
- Michael L. Hand
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Method and apparatus for reducing acoustic noise
- Publication number 20050189165
- Publication date Sep 1, 2005
- Gopal P. Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
PIEZOELECTRIC DAMPING SYSTEM FOR REDUCING NOISE TRANSMISSION THROUG...
- Publication number 20030048039
- Publication date Mar 13, 2003
- Gopal Prasad Mathur
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Gopal P. Mathur

Person

Patents Grantslast 30 patents

Meta material porous/poro-elastic sound absorbers

Methods and systems for modifying acoustics of a loudspeaker back e...

Metamaterial acoustic impedance matching device for headphone-type...

Acoustic meta material passive spiral audio amplifier and a method...

Passive acoustic meta material audio amplifier and the method to ma...

Metamaterial passive impedance matching device for a loudspeaker

Metamaterial loudspeaker diaphragm

Methods and systems for modifying acoustics of a loudspeaker back e...

Acoustic meta material passive spiral audio amplifier and a method...

Passive acoustic meta material audio amplifier and the method to ma...

Meta acoustic horn system for audio amplification and the method to...

Passive acoustic meta material audio amplifier and the method to ma...

Acoustic holographic recording and reproduction system using meta m...

Active acoustic meta material loudspeaker system and the process to...

Acoustic metamaterial noise control method and apparatus for ducted...

Active acoustic meta material loudspeaker system and the process to...

Noise reduction system for composite structures

Noise reduction system for composite structures

Acoustic damping device for noise reduction

Multifunctional nano-skin articles and methods

Exhaust washed structure and associated composite structure and met...

Noise reduction system for structures

Exhaust washed structure and associated composite structure and met...

Noise shield for a launch vehicle

Method and apparatus for reducing acoustic noise

Piezoelectric damping system for reducing noise transmission throug...

Damped structural panel and method of making same

Active noise control using blocked mode approach

Wavenumber-adaptive control of sound radiation from structures usin...

Patents Applicationslast 30 patents

Methods and Systems for Modifying Acoustics of a Loudspeaker Back E...

Methods and Systems for Modifying Acoustics of a Loudspeaker Back E...

Metamaterial Loudspeaker Diaphragm

Acoustic Meta Material Passive Spiral Audio Amplifier and a Method...

Passive Acoustic Meta Material Audio Amplifier and the Method to Ma...

Passive Acoustic Meta Material Audio Amplifier and the Method to Ma...

Acoustic Holographic Recording and Reproduction System Using Meta M...

Passive Acoustic Meta Material Audio Amplifier and the Method to Ma...

Acoustic Holographic Recording and Reproduction System Using Meta M...

ACOUSTIC METAMATERIAL NOISE CONTROL METHOD AND APPARATUS FOR DUCTED...

Active Acoustic Meta Material Loudspeaker System and the Process to...

NOISE REDUCTION SYSTEM FOR COMPOSITE STRUCTURES

Noise Reduction System for Composite Structures

EXHAUST WASHED STRUCTURE AND ASSOCIATED COMPOSITE STRUCTURE AND MET...

MULTIFUNCTIONAL NANO-SKIN ARTICLES AND METHODS

Exhaust Washed Structure And Associated Composite Structure And Met...

Method and apparatus for reducing acoustic noise

PIEZOELECTRIC DAMPING SYSTEM FOR REDUCING NOISE TRANSMISSION THROUG...