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"Ching, Wai Keung"
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GRAPHICAL WATERMARK, METHOD AND APPARATUS FOR GENERATING SAME, AND METHOD AND APPARATUS FOR AUTHENTICATING SAME
by
CHING
,
Wai Keung
,
LEUNG, Tat Kwong Simon
,
ONG, Chin Phek
Year of Publication
16.02.2023
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PRODUCT HAVING DUAL LAYER IDENTIFICATION CODES, PRODUCT TRACEABILITY AND ANTI-COUNTERFEIT AUTHENTICATION METHOD AND APPARATUS
by
CHING
,
Wai Keung
,
LEUNG, Tat Kwong Simon
Year of Publication
07.01.2021
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Two-dimensional barcode generating method, verification method, server and two-dimensional barcode
by
Leung, Tai Kwong Simon
,
Ching
,
Wai Keung
,
Ong, Chin Phek
Year of Publication
29.03.2022
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TWO-DIMENSIONAL BARCODE GENERATING METHOD, VERIFICATION METHOD, SERVER AND TWO-DIMENSIONAL BARCODE
by
CHING
,
Wai Keung
,
ONG, Chin Phek
,
LEUNG, Tai Kwong Simon
Year of Publication
11.02.2021
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Two-Dimensional Barcode Generating Method, Verification Method, Server and Two-Dimensional Barcode
by
ONG CHIN PHEK
,
LEUNG TAT KWONG SIMON
,
CHING WAI KEUNG
Year of Publication
27.09.2019
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TWO-DIMENSIONAL BARCODE GENERATING METHOD, VERIFICATION METHOD, SERVER AND TWO-DIMENSIONAL BARCODE
by
CHING
,
Wai Keung
,
ONG, Chin Phek
,
LEUNG, Tai Kwong Simon
Year of Publication
15.08.2019
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TWO-DIMENSIONAL BARCODE GENERATING METHOD, VERIFICATION METHOD, SERVER AND TWO-DIMENSIONAL BARCODE
by
ONG CHIN PHEK
,
LEUNG TAI KWONG SIMON
,
CHING WAI KEUNG
Year of Publication
12.07.2019
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