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Donald C.D. Chang
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Thousand Oaks, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Remote wiping for data transport, storage and retrieval
Patent number
11,914,539
Issue date
Feb 27, 2024
Spatial Digital Systems, Inc
Juo-Yu Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Systems and methods for massive phased arrays via beam-domain proce...
Patent number
11,916,305
Issue date
Feb 27, 2024
LinQuest Corporation
Donald Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Generating acoustic quiet zone by noise injection techniques
Patent number
11,887,575
Issue date
Jan 30, 2024
SPATIAL DIGITAL SYSTEMS, INC.
Donald C. D. Chang
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
MIMO systems with active scatters and their performance evaluation
Patent number
11,831,363
Issue date
Nov 28, 2023
Spatial Digital Systems, Inc.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wavefront muxing and demuxing for cloud data storage and transport
Patent number
11,782,945
Issue date
Oct 10, 2023
Spatial Digital Systems, Inc.
Donald C. D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multibeam VSAT for cluster of slightly inclined GSO satellites
Patent number
11,770,181
Issue date
Sep 26, 2023
Spatial Digital Systems, Inc
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enveloping for multilink communications
Patent number
11,677,725
Issue date
Jun 13, 2023
Spatial Digital Systems, Inc.
Donald C. D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Remote wiping for data transport, storage and retrieval
Patent number
11,599,492
Issue date
Mar 7, 2023
Spatial Digital Systems, Inc
Juo-Yu Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Ground terminals via remote digital-beam-forming networks for satel...
Patent number
11,552,699
Issue date
Jan 10, 2023
Spatial Digital Systems, Inc
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multibeam VSAT for cluster of slightly inclined GSO satellites
Patent number
11,381,302
Issue date
Jul 5, 2022
Spatial Digital Systems, Inc
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Active scattering for bandwith enhanced MIMO
Patent number
11,368,195
Issue date
Jun 21, 2022
Spatial Digital Systems, Inc
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-user MIMO via active scattering platforms
Patent number
10,911,121
Issue date
Feb 2, 2021
Spatial Digital Systems, Inc.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Distributed cloud storage
Patent number
10,902,138
Issue date
Jan 26, 2021
PhazrlO Inc.
Chi-Kwan J. Cheung
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Cloud data storage via cascaded K-muxing
Patent number
10,904,334
Issue date
Jan 26, 2021
Spatial Digital Systems, Inc.
Donald C. D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Architectures and methods for novel antenna radiation optimization...
Patent number
10,903,565
Issue date
Jan 26, 2021
Spatial Digital Systems, Inc.
Donald C. D. Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multi-channel communications system using mobile airborne platforms
Patent number
10,892,819
Issue date
Jan 12, 2021
Spatial Digital Systems, Inc
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
High performance data redundancy and fault tolerance
Patent number
10,784,896
Issue date
Sep 22, 2020
PhazrlO Inc.
Donald C. D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Integrated security and data redundancy
Patent number
10,656,996
Issue date
May 19, 2020
PhazrIO Inc.
Donald C. D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Composite data transport and storage via wavefront multiplexing
Patent number
10,637,605
Issue date
Apr 28, 2020
Spatial Digital Systems, Inc.
Donald C. D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Systems for surveillance using airborne platforms as receiving plat...
Patent number
10,574,338
Issue date
Feb 25, 2020
Spatial Digital Systems, Inc.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data transport privacy and redundancy via small UAVs in cooperation
Patent number
10,560,183
Issue date
Feb 11, 2020
Spatial Digital Systems, Inc.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital enveloping for digital right management and re-broadcasting
Patent number
10,516,872
Issue date
Dec 24, 2019
Spatial Digital Systems, Inc.
Donald C. D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Mobile scanner via private data on cloud
Patent number
10,506,111
Issue date
Dec 10, 2019
Donald C. D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Enhanced data storage and transport via wavefront multiplexing
Patent number
10,498,818
Issue date
Dec 3, 2019
Spatial Digital Systems, Inc.
Donald C. D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Satellite ground terminal incorporating a smart antenna that reject...
Patent number
10,490,892
Issue date
Nov 26, 2019
Spatial Digital Systems, Inc.
Donald C. D. Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Composite data transport and storage via wavefront multiplexing
Patent number
10,491,325
Issue date
Nov 26, 2019
Spatial Digital Systems, Inc.
Donald C. D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Ground terminals via remote digital-beam-forming networks for satel...
Patent number
10,484,081
Issue date
Nov 19, 2019
Spatial Digital Systems, Inc.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Architectures and methods for novel antenna radiation optimization...
Patent number
10,367,262
Issue date
Jul 30, 2019
Spatial Digital Systems, Inc.
Donald C. D. Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Retro-directive antenna systems for multi-channel communications
Patent number
10,361,775
Issue date
Jul 23, 2019
Spatial Digital Systems, Inc.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Enveloping for multilink communications
Patent number
10,333,900
Issue date
Jun 25, 2019
Spatial Digital Systems, Inc.
Donald C. D. Chang
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
REMOTE WIPING FOR DATA TRANSPORT, STORAGE AND RETRIEVAL
Publication number
20230229613
Publication date
Jul 20, 2023
SPATIAL DIGITAL SYSTEMS, INC.
Juo-Yu Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Ground Terminals via Remote Digital-Beam-Forming Networks for Satel...
Publication number
20230145659
Publication date
May 11, 2023
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multibeam VSAT for cluster of slightly inclined GSO satellites
Publication number
20220337312
Publication date
Oct 20, 2022
SPATIAL DIGITAL SYSTEMS, INC.
Donald C. D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Active Scattering for Bandwidth Enhanced MIMO
Publication number
20220329294
Publication date
Oct 13, 2022
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SYSTEMS AND METHODS FOR MASSIVE PHASED ARRAYS VIA BEAM-DOMAIN PROCE...
Publication number
20220006189
Publication date
Jan 6, 2022
LinQuest Corporation
Donald CHANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOSITE DATA TRANSPORT AND STORAGE VIA WAVEFRONT MULTIPLEXING
Publication number
20200099464
Publication date
Mar 26, 2020
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Ground Terminals via Remote Digital-Beam-Forming Networks for Satel...
Publication number
20200091997
Publication date
Mar 19, 2020
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
MULTI-CHANNEL COMMUNICATIONS SYSTEM USING MOBILE AIRBORNE PLATFORMS
Publication number
20190363784
Publication date
Nov 28, 2019
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ARCHITECTURES AND METHODS FOR NOVEL ANTENNA RADIATION OPTIMIZATION...
Publication number
20190356048
Publication date
Nov 21, 2019
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ENVELOPING FOR MULTILINK COMMUNICATIONS
Publication number
20190312847
Publication date
Oct 10, 2019
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Digital Enveloping for Digital Right Management and Re-broadcasting
Publication number
20190266340
Publication date
Aug 29, 2019
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
HIGH PERFORMANCE DATA REDUNDANCY AND FAULT TOLERANCE
Publication number
20190215012
Publication date
Jul 11, 2019
PhazrIO Inc.
Donald C. D. Chang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
WAVEFRONT MUXING AND DEMUXING FOR CLOUD DATA STORAGE AND TRANSPORT
Publication number
20190108178
Publication date
Apr 11, 2019
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MIMO Systems with Active Scatters and their Performance Evaluation
Publication number
20190044582
Publication date
Feb 7, 2019
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PRIVATE ACCESS TO MEDIA DATA ON NETWORK STORAGE
Publication number
20190034108
Publication date
Jan 31, 2019
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MULTI-USER MIMO VIA ACTIVE SCATTERING PLATFORMS
Publication number
20190020397
Publication date
Jan 17, 2019
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Data transport privacy and redundancy via small UAVs in cooperation
Publication number
20190020403
Publication date
Jan 17, 2019
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
COHERENT POWER COMBINING VIA WAVEFRONT MULTIPLEXING ON DEEP SPACE S...
Publication number
20180302150
Publication date
Oct 18, 2018
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Generating Acoustic Quiet Zone by Noise Injection Techniques
Publication number
20180292539
Publication date
Oct 11, 2018
SPATIAL DIGITAL SYSTEMS, INC.
Donald C. D. Chang
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Broadband Digital Beam Forming System including Wavefront Multiplex...
Publication number
20180226982
Publication date
Aug 9, 2018
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
DISTRIBUTED SATCOM APERTURE ON FISHING BOAT
Publication number
20180205448
Publication date
Jul 19, 2018
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
REMOTE DIGITAL BEAM FORMING FOR MULTIBEAM BROADCASTING SATELLITE
Publication number
20180205583
Publication date
Jul 19, 2018
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HIGH PERFORMANCE DATA REDUNDANCY AND FAULT TOLERANCE
Publication number
20180175887
Publication date
Jun 21, 2018
PhazrIO Inc.
Donald C. D. Chang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
INTEGRATED SECURITY AND DATA REDUNDANCY
Publication number
20180173589
Publication date
Jun 21, 2018
PhazrIO Inc.
Donald C. D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Resource Allocation via Wave-front Multiplexing in a PON Network
Publication number
20180159626
Publication date
Jun 7, 2018
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile Scanner via Private Data on Cloud
Publication number
20180109689
Publication date
Apr 19, 2018
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Systems for Surveillance using Airborne Platforms as Receiving Plat...
Publication number
20180102832
Publication date
Apr 12, 2018
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
GENERATING QUIET ZONE BY NOISE CANCELLATION VIA INJECTION TECHNIQUES
Publication number
20180081067
Publication date
Mar 22, 2018
SPATIAL DIGITAL SYSTEMS, INC.
DONALD C. D. CHANG
G01 - MEASURING TESTING
Information
Patent Application
MULTI-USER MIMO VIA ACTIVE SCATTERING PLATFORMS
Publication number
20180048371
Publication date
Feb 15, 2018
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
FLEXIBLE MULTI-CHANNEL AMPLIFIERS VIA WAVEFRONT MUXING TECHNIQUES
Publication number
20170373746
Publication date
Dec 28, 2017
SPATIAL DIGITAL SYSTEMS, INC.
Donald C.D. Chang
H04 - ELECTRIC COMMUNICATION TECHNIQUE