David D. Chang

Person

Sherman Oaks, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Gyroscope sensors having nodal push-pull actuation and antinodal re...
- Patent number 12,305,985
- Issue date May 20, 2025
- HRL Laboratories, LLC
- Matthew Pelliccione
- G01 - MEASURING TESTING
Information Patent Grant
Frequency multiplexed operation of vibratory gyroscopes for continu...
- Patent number 11,841,243
- Issue date Dec 12, 2023
- HRL Laboratories, LLC
- Matthew Pelliccione
- G01 - MEASURING TESTING
Information Patent Grant
Continuous online self-calibration for gyroscopes through modulatio...
- Patent number 11,835,339
- Issue date Dec 5, 2023
- HRL Laboratories, LLC
- Logan Sorenson
- G01 - MEASURING TESTING
Information Patent Grant
Management of a size of a ledger
- Patent number 11,637,691
- Issue date Apr 25, 2023
- International Business Machines Corporation
- Vishwanath Venkataramappa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Programmable infrastructure gateway for enabling hybrid cloud servi...
- Patent number 11,606,226
- Issue date Mar 14, 2023
- Cisco Technology, Inc.
- Nagaraj A. Bagepalli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Default gateway extension
- Patent number 11,604,658
- Issue date Mar 14, 2023
- Cisco Technology, Inc.
- David W. Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Cam actuated gas admission valve with electro-hydraulic trim control
- Patent number 11,566,545
- Issue date Jan 31, 2023
- Caterpillar Inc.
- David Yu Zhang Chang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
High quality factor mems silicon flower-of-life vibratory gyroscope
- Patent number 11,561,095
- Issue date Jan 24, 2023
- HRL Laboratories, LLC
- Lian X. Huang
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
High stability angular sensor
- Patent number 11,506,493
- Issue date Nov 22, 2022
- HRL Laboratories, LLC
- Logan D. Sorenson
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Continuous online self-calibrating resonant FM microelectromechanic...
- Patent number 11,493,534
- Issue date Nov 8, 2022
- HRL Laboratories, LLC
- Logan D. Sorenson
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Method of fabricating a SiC resonator
- Patent number 11,469,732
- Issue date Oct 11, 2022
- HRL Laboratories, LLC
- Raviv Perahia
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Ignitor for natural gas engine
- Patent number 11,326,507
- Issue date May 10, 2022
- Caterpillar Inc.
- David Y. Chang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Continuous trajectory calculation for directional drilling
- Patent number 11,299,981
- Issue date Apr 12, 2022
- HRL Laboratories, LLC
- Hung Nguyen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Navigational grade resonant MicroElectroMechanical Systems (mems) a...
- Patent number 11,275,099
- Issue date Mar 15, 2022
- HRL Laboratories, LLC
- Logan D. Sorenson
- G01 - MEASURING TESTING
Information Patent Grant
Gaseous fuel mixer assembly for engine and engine system operating...
- Patent number 11,236,705
- Issue date Feb 1, 2022
- Caterpillar Inc.
- David Yu Zhang Chang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Disk resonator gyroscope with out-of-plane electrodes
- Patent number 11,237,000
- Issue date Feb 1, 2022
- HRL Laboratories, LLC
- Raviv Perahia
- G01 - MEASURING TESTING
Information Patent Grant
Methods and systems for roles and membership management in a multi-...
- Patent number 11,223,613
- Issue date Jan 11, 2022
- CloudBlue LLC
- Swarup Das
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Network application security question detection and modification
- Patent number 11,196,774
- Issue date Dec 7, 2021
- International Business Machines Corporation
- Yi-hsiu Wei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protecting user data
- Patent number 11,176,274
- Issue date Nov 16, 2021
- International Business Machines Corporation
- Adam Yoho
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
On-chip excitation and readout architecture for high-density magnet...
- Patent number 11,150,313
- Issue date Oct 19, 2021
- HRL Laboratories, LLC
- Edward H. Chen
- G01 - MEASURING TESTING
Information Patent Grant
Performance optimization
- Patent number 11,138,188
- Issue date Oct 5, 2021
- International Business Machines Corporation
- Ching-Yun Chao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
High quality factor MEMS silicon hinge and slot-cut resonator for a...
- Patent number 11,137,249
- Issue date Oct 5, 2021
- HRL Laboratories, LLC
- Lian X. Huang
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Method and apparatus for the monolithic encapsulation of a micro-sc...
- Patent number 11,117,800
- Issue date Sep 14, 2021
- HRL Laboratories, LLC
- Deborah J. Kirby
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
HF-VHF quartz MEMS resonator
- Patent number 11,101,786
- Issue date Aug 24, 2021
- HRL Laboratories, LLC
- Randall L. Kubena
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
User selectable gambling game hybrid game
- Patent number 11,094,164
- Issue date Aug 17, 2021
- Miles Arnone
- G07 - CHECKING-DEVICES
Information Patent Grant
Pre-chamber ignition system having igniter with gas orifice structu...
- Patent number 11,078,827
- Issue date Aug 3, 2021
- Caterpillar Inc.
- David Yu-Zhang Chang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Gaseous fuel engine and sparkless operating strategy therefor
- Patent number 11,078,826
- Issue date Aug 3, 2021
- Caterpillar Inc.
- David Yu-Zhang Chang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Ignitor for natural gas engine
- Patent number 11,066,977
- Issue date Jul 20, 2021
- Caterpillar Inc.
- David Y. Chang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
System and method for generating output of a downhole inertial meas...
- Patent number 11,066,923
- Issue date Jul 20, 2021
- HRL Laboratories, LLC
- Shuoqin Wang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Disk resonator gyroscope (DRG) with engineered radial stiffness for...
- Patent number 11,060,865
- Issue date Jul 13, 2021
- HRL Laboratories, LLC
- Lian X. Huang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Modular Inertial Measurement Unit and elements for making same
- Publication number 20240318961
- Publication date Sep 26, 2024
- HRL LABORATORIES, LLC
- Logan SORENSON
- G01 - MEASURING TESTING
Information Patent Application
GASEOUS FUEL MIXER ASSEMBLY FOR ENGINE AND ENGINE SYSTEM OPERATING...
- Publication number 20210404422
- Publication date Dec 30, 2021
- Caterpillar Inc.
- David Yu Zhang Chang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PROGRAMMABLE INFRASTRUCTURE GATEWAY FOR ENABLING HYBRID CLOUD SERVI...
- Publication number 20210328834
- Publication date Oct 21, 2021
- Cisco Technology, Inc.
- Nagaraj A. Bagepalli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IGNITOR FOR NATURAL GAS ENGINE
- Publication number 20210324783
- Publication date Oct 21, 2021
- Caterpillar Inc.
- David Y. CHANG
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
DEFAULT GATEWAY EXTENSION
- Publication number 20210306299
- Publication date Sep 30, 2021
- Cisco Technology, Inc.
- David W. Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
NETWORK APPLICATION SECURITY QUESTION DETECTION AND MODIFICATION
- Publication number 20210281612
- Publication date Sep 9, 2021
- International Business Machines Corporation
- Yi-hsiu Wei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSACTION INFORMATION MANAGEMENT
- Publication number 20210271766
- Publication date Sep 2, 2021
- International Business Machines Corporation
- Adam Yoho
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IGNITOR FOR NATURAL GAS ENGINE
- Publication number 20210222609
- Publication date Jul 22, 2021
- Caterpillar Inc.
- David Y. CHANG
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
CONSTRAINED ROLES FOR ACCESS MANAGEMENT
- Publication number 20210226956
- Publication date Jul 22, 2021
- International Business Machines Corporation
- Yi-hsiu Wei
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PERFORMANCE-BASED PUBLIC CLOUD SELECTION FOR A HYBRID CLOUD ENVIRON...
- Publication number 20210173692
- Publication date Jun 10, 2021
- Cisco Technology, Inc.
- David W. Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PROTECTING USER DATA
- Publication number 20200380164
- Publication date Dec 3, 2020
- International Business Machines Corporation
- Adam Yoho
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
THRESHOLD TRIGGERED INTERLEAVED WAGERING SYSTEM
- Publication number 20200364980
- Publication date Nov 19, 2020
- Gamblit Gaming, LLC
- Miles Arnone
- G07 - CHECKING-DEVICES
Information Patent Application
CAM ACTUATED GAS ADMISSION VALVE WITH ELECTRO-HYDRAULIC TRIM CONTROL
- Publication number 20200347754
- Publication date Nov 5, 2020
- Caterpillar Inc.
- David Yu Zhang CHANG
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
HIGH QUALITY FACTOR MEMS SILICON FLOWER-OF-LIFE VIBRATORY GYROSCOPE
- Publication number 20200256676
- Publication date Aug 13, 2020
- HRL LABORATORIES, LLC
- Lian X. HUANG
- G01 - MEASURING TESTING
Information Patent Application
DEFAULT GATEWAY EXTENSION
- Publication number 20200177543
- Publication date Jun 4, 2020
- Cisco Technology, Inc.
- David W. Chang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTEGRATED WAGERING PROCESS INTERLEAVED SKILL WAGERING GAMING SYSTEM
- Publication number 20200160655
- Publication date May 21, 2020
- Gamblit Gaming, LLC
- Miles Arnone
- G07 - CHECKING-DEVICES
Information Patent Application
PERFORMANCE OPTIMIZATION
- Publication number 20200142988
- Publication date May 7, 2020
- International Business Machines Corporation
- Ching-Yun Chao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MANAGEMENT OF A SIZE OF A LEDGER
- Publication number 20200145190
- Publication date May 7, 2020
- International Business Machines Corporation
- Vishwanath Venkataramappa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ATOMIC TRANSACTIONAL PROCESSING
- Publication number 20200145221
- Publication date May 7, 2020
- International Business Machines Corporation
- Ching-Yun Chao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PRE-CHAMBER IGNITION SYSTEM HAVING IGNITER WITH GAS ORIFICE STRUCTU...
- Publication number 20200116074
- Publication date Apr 16, 2020
- Caterpillar Inc.
- David Yu Zhang Chang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PREVENTION OF MAJORITY ATTACKS
- Publication number 20200076830
- Publication date Mar 5, 2020
- International Business Machines Corporation
- Ching-Yun Chao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
USER SELECTABLE GAMBLING GAME HYBRID GAME
- Publication number 20200066091
- Publication date Feb 27, 2020
- Gamblit Gaming, LLC
- Miles Arnone
- G07 - CHECKING-DEVICES
Information Patent Application
DELAYED WAGERING INTERLEAVED WAGERING SYSTEM
- Publication number 20200058189
- Publication date Feb 20, 2020
- Gamblit Gaming, LLC
- Miles Arnone
- G07 - CHECKING-DEVICES
Information Patent Application
Integrated gambling process for games with explicit random events
- Publication number 20200027308
- Publication date Jan 23, 2020
- Gamblit Gaming, LLC
- Miles Arnone
- G07 - CHECKING-DEVICES
Information Patent Application
PROGRAMMABLE INFRASTRUCTURE GATEWAY FOR ENABLING HYBRID CLOUD SERVI...
- Publication number 20200014559
- Publication date Jan 9, 2020
- Cisco Technology, Inc.
- Nagaraj A. Bagepalli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DYNAMIC WAGER UPDATING GAMBLING HYBRID GAME
- Publication number 20190392679
- Publication date Dec 26, 2019
- Gamblit Gaming, LLC
- Miles Arnone
- G07 - CHECKING-DEVICES
Information Patent Application
TOPIC BASED CONVERSATION RETRIEVAL
- Publication number 20190377798
- Publication date Dec 12, 2019
- International Business Machines Corporation
- Messaoud Benantar
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and Apparatus for the Monolithic Encapsulation of a Micro-Sc...
- Publication number 20190315621
- Publication date Oct 17, 2019
- HRL LABORATORIES, LLC
- Deborah J. KIRBY
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
SYSTEMS FOR A MAZE CHASE HYBRID GAME
- Publication number 20190311582
- Publication date Oct 10, 2019
- Gamblit Gaming, LLC
- Miles Arnone
- G07 - CHECKING-DEVICES
Information Patent Application
METHOD OF FABRICATING A SIC RESONATOR
- Publication number 20190305744
- Publication date Oct 3, 2019
- HRL LABORATORIES, LLC
- Raviv PERAHIA
- H03 - BASIC ELECTRONIC CIRCUITRY

David D. Chang

Person

Patents Grantslast 30 patents

Gyroscope sensors having nodal push-pull actuation and antinodal re...

Frequency multiplexed operation of vibratory gyroscopes for continu...

Continuous online self-calibration for gyroscopes through modulatio...

Management of a size of a ledger

Programmable infrastructure gateway for enabling hybrid cloud servi...

Default gateway extension

Cam actuated gas admission valve with electro-hydraulic trim control

High quality factor mems silicon flower-of-life vibratory gyroscope

High stability angular sensor

Continuous online self-calibrating resonant FM microelectromechanic...

Method of fabricating a SiC resonator

Ignitor for natural gas engine

Continuous trajectory calculation for directional drilling

Navigational grade resonant MicroElectroMechanical Systems (mems) a...

Gaseous fuel mixer assembly for engine and engine system operating...

Disk resonator gyroscope with out-of-plane electrodes

Methods and systems for roles and membership management in a multi-...

Network application security question detection and modification

Protecting user data

On-chip excitation and readout architecture for high-density magnet...

Performance optimization

High quality factor MEMS silicon hinge and slot-cut resonator for a...

Method and apparatus for the monolithic encapsulation of a micro-sc...

HF-VHF quartz MEMS resonator

User selectable gambling game hybrid game

Pre-chamber ignition system having igniter with gas orifice structu...

Gaseous fuel engine and sparkless operating strategy therefor

Ignitor for natural gas engine

System and method for generating output of a downhole inertial meas...

Disk resonator gyroscope (DRG) with engineered radial stiffness for...

Patents Applicationslast 30 patents

Modular Inertial Measurement Unit and elements for making same

GASEOUS FUEL MIXER ASSEMBLY FOR ENGINE AND ENGINE SYSTEM OPERATING...

PROGRAMMABLE INFRASTRUCTURE GATEWAY FOR ENABLING HYBRID CLOUD SERVI...

IGNITOR FOR NATURAL GAS ENGINE

DEFAULT GATEWAY EXTENSION

NETWORK APPLICATION SECURITY QUESTION DETECTION AND MODIFICATION

TRANSACTION INFORMATION MANAGEMENT

IGNITOR FOR NATURAL GAS ENGINE

CONSTRAINED ROLES FOR ACCESS MANAGEMENT

PERFORMANCE-BASED PUBLIC CLOUD SELECTION FOR A HYBRID CLOUD ENVIRON...

PROTECTING USER DATA

THRESHOLD TRIGGERED INTERLEAVED WAGERING SYSTEM

CAM ACTUATED GAS ADMISSION VALVE WITH ELECTRO-HYDRAULIC TRIM CONTROL

HIGH QUALITY FACTOR MEMS SILICON FLOWER-OF-LIFE VIBRATORY GYROSCOPE

DEFAULT GATEWAY EXTENSION

INTEGRATED WAGERING PROCESS INTERLEAVED SKILL WAGERING GAMING SYSTEM

PERFORMANCE OPTIMIZATION

MANAGEMENT OF A SIZE OF A LEDGER

ATOMIC TRANSACTIONAL PROCESSING

PRE-CHAMBER IGNITION SYSTEM HAVING IGNITER WITH GAS ORIFICE STRUCTU...

PREVENTION OF MAJORITY ATTACKS

USER SELECTABLE GAMBLING GAME HYBRID GAME

DELAYED WAGERING INTERLEAVED WAGERING SYSTEM

Integrated gambling process for games with explicit random events

PROGRAMMABLE INFRASTRUCTURE GATEWAY FOR ENABLING HYBRID CLOUD SERVI...

DYNAMIC WAGER UPDATING GAMBLING HYBRID GAME

TOPIC BASED CONVERSATION RETRIEVAL

Method and Apparatus for the Monolithic Encapsulation of a Micro-Sc...

SYSTEMS FOR A MAZE CHASE HYBRID GAME

METHOD OF FABRICATING A SIC RESONATOR