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David M. Chen
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Brookline, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Microelectromechanical gyroscopes and related apparatus and methods
Patent number
9,651,376
Issue date
May 16, 2017
Analog Devices, Inc.
Guiti Zolfagharkhani
G01 - MEASURING TESTING
Information
Patent Grant
Mechanical resonating structures including a temperature compensati...
Patent number
9,602,074
Issue date
Mar 21, 2017
Analog Devices, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Integration of piezoelectric materials with substrates
Patent number
9,048,811
Issue date
Jun 2, 2015
Sand 9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Microelectromechanical systems (MEMS) resonators and related appara...
Patent number
9,030,080
Issue date
May 12, 2015
Sand 9, Inc.
David M. Chen
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Mechanical resonating structures including a temperature compensati...
Patent number
8,937,425
Issue date
Jan 20, 2015
Sand 9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Integration of piezoelectric materials with substrates
Patent number
8,766,512
Issue date
Jul 1, 2014
Sand 9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Methods and apparatus for mechanical resonating structures
Patent number
8,736,150
Issue date
May 27, 2014
Sand 9, Inc.
Jan H. Kuypers
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Microelectromechanical systems (MEMS) resonators and related appara...
Patent number
8,698,376
Issue date
Apr 15, 2014
Sand 9, Inc.
David M. Chen
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Multi-port mechanical resonating devices and related methods
Patent number
8,686,614
Issue date
Apr 1, 2014
Sand 9, Inc.
Jan H. Kuypers
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Passivated micromechanical resonators and related methods
Patent number
8,664,836
Issue date
Mar 4, 2014
Sand 9, Inc.
Jan H. Kuypers
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Microelectromechanical gyroscopes and related apparatus and methods
Patent number
8,661,899
Issue date
Mar 4, 2014
Sand9, Inc.
Guiti Zolfagharkhani
G01 - MEASURING TESTING
Information
Patent Grant
Mechanical resonating structures including a temperature compensati...
Patent number
8,629,599
Issue date
Jan 14, 2014
Sand 9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Microelectromechanical systems (MEMS) resonators and related appara...
Patent number
8,587,183
Issue date
Nov 19, 2013
Sand 9, Inc.
David M. Chen
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Microelectromechanical systems (MEMS) resonators and related appara...
Patent number
8,476,809
Issue date
Jul 2, 2013
Sand 9, Inc.
David M. Chen
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Integration of piezoelectric materials with substrates
Patent number
8,466,606
Issue date
Jun 18, 2013
Sand 9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Mechanical resonating structures and methods
Patent number
8,446,078
Issue date
May 21, 2013
Sand 9, Inc.
Behraad Bahreyni
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Methods and apparatus for mechanical resonating structures
Patent number
8,441,176
Issue date
May 14, 2013
Sand 9, Inc.
Jan H. Kuypers
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Mechanical resonating structures including a temperature compensati...
Patent number
8,362,675
Issue date
Jan 29, 2013
Sand 9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Methods and apparatus for mechanical resonating structures
Patent number
8,174,170
Issue date
May 8, 2012
Sand 9, Inc.
Jan H. Kuypers
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Mechanical resonating structures including a temperature compensati...
Patent number
8,058,769
Issue date
Nov 15, 2011
Sand9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Timing oscillators and related methods
Patent number
8,044,737
Issue date
Oct 25, 2011
Sand9, Inc.
Pritiraj Mohanty
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Timing oscillators and related methods
Patent number
8,044,736
Issue date
Oct 25, 2011
Sand9, Inc.
Pritiraj Mohanty
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
MECHANICAL RESONATING STRUCTURES INCLUDING A TEMPERATURE COMPENSATI...
Publication number
20150091412
Publication date
Apr 2, 2015
SAND 9, INC.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MICROELECTROMECHANICAL GYROSCOPES AND RELATED APPARATUS AND METHODS
Publication number
20140137648
Publication date
May 22, 2014
SAND 9, INC.
Guiti Zolfagharkhani
G01 - MEASURING TESTING
Information
Patent Application
INTEGRATION OF PIEZOELECTRIC MATERIALS WITH SUBSTRATES
Publication number
20130313947
Publication date
Nov 28, 2013
SAND 9, INC.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHODS AND APPARATUS FOR MECHANICAL RESONATING STRUCTURES
Publication number
20130200752
Publication date
Aug 8, 2013
Sand9, Inc.
Jan H. Kuypers
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MICROELECTROMECHANICAL SYSTEMS (MEMS) RESONATORS AND RELATED APPARA...
Publication number
20130140651
Publication date
Jun 6, 2013
SAND 9, INC.
David M. Chen
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
MICROELECTROMECHANICAL SYSTEMS (MEMS) RESONATORS AND RELATED APPARA...
Publication number
20130140958
Publication date
Jun 6, 2013
SAND 9, INC.
David M. Chen
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
MICROELECTROMECHANICAL SYSTEMS (MEMS) RESONATORS AND RELATED APPARA...
Publication number
20130140944
Publication date
Jun 6, 2013
SAND 9, INC.
David M. Chen
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
MICROELECTROMECHANICAL SYSTEMS (MEMS) RESONATORS AND RELATED APPARA...
Publication number
20120280594
Publication date
Nov 8, 2012
SAND 9, INC.
David M. Chen
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Application
MECHANICAL RESONATING STRUCTURES INCLUDING A TEMPERATURE COMPENSATI...
Publication number
20120074810
Publication date
Mar 29, 2012
Sand9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
INTEGRATION OF PIEZOELECTRIC MATERIALS WITH SUBSTRATES
Publication number
20120056510
Publication date
Mar 8, 2012
Sand9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MECHANICAL RESONATING STRUCTURES INCLUDING A TEMPERATURE COMPENSATI...
Publication number
20120049980
Publication date
Mar 1, 2012
Sand9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MECHANICAL RESONATING STRUCTURES INCLUDING A TEMPERATURE COMPENSATI...
Publication number
20120049965
Publication date
Mar 1, 2012
Sand9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MICROELECTROMECHANICAL GYROSCOPES AND RELATED APPARATUS AND METHODS
Publication number
20120024058
Publication date
Feb 2, 2012
Sand9, Inc.
Guiti ZOLFAGHARKHANI
G01 - MEASURING TESTING
Information
Patent Application
TIMING OSCILLATORS AND RELATED METHODS
Publication number
20120013413
Publication date
Jan 19, 2012
Sand9, Inc.
Pritiraj Mohanty
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
INTEGRATION OF PIEZOELECTRIC MATERIALS WITH SUBSTRATES
Publication number
20110187227
Publication date
Aug 4, 2011
Sand9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MECHANICAL RESONATING STRUCTURES AND METHODS
Publication number
20100314969
Publication date
Dec 16, 2010
Sand9, Inc.
Alexei Gaidarzhy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
INTEGRATION OF PIEZOELECTRIC MATERIALS WITH SUBSTRATES
Publication number
20100301703
Publication date
Dec 2, 2010
Sand9, Inc.
David M. Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MECHANICAL RESONATING STRUCTURES INCLUDING A TEMPERATURE COMPENSATI...
Publication number
20100182102
Publication date
Jul 22, 2010
Sand9, Inc.
Jan H. Kuypers
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MULTI-PORT MECHANICAL RESONATING DEVICES AND RELATED METHODS
Publication number
20100181868
Publication date
Jul 22, 2010
Sand9, Inc.
Alexei Gaidarzhy
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TIMING OSCILLATORS AND RELATED METHODS
Publication number
20090267699
Publication date
Oct 29, 2009
SAND9
PRITIRAJ MOHANTY
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TIMING OSCILLATORS AND RELATED METHODS
Publication number
20090267700
Publication date
Oct 29, 2009
SAND9
PRITIRAJ MOHANTY
H03 - BASIC ELECTRONIC CIRCUITRY