Pern Chern Lee

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Singapore, SG

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for embedding covert data in text document using...
- Patent number 8,402,371
- Issue date Mar 19, 2013
- CrimsonLogic Pte Ltd
- Weng Sing Tang
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER

Patents Applicationslast 30 patents

Information Patent Application
Method And System For On-Screen Authentication Using Secret Visual...
- Publication number 20110026716
- Publication date Feb 3, 2011
- Weng Sing Tang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD AND SYSTEM FOR EMBEDDING COVERT DATA IN TEXT DOCUMENT USING...
- Publication number 20110022951
- Publication date Jan 27, 2011
- Weng Sing Tang
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
METHOD AND SYSTEM FOR EMBEDDING COVERT DATA IN A TEXT DOCUMENT USIN...
- Publication number 20110016388
- Publication date Jan 20, 2011
- Weng Sing Tang
- G06 - COMPUTING CALCULATING COUNTING