Ken-Shin Cheng

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Mahopac, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Managing electronic documents utilizing a digital seal
- Patent number 8,127,228
- Issue date Feb 28, 2012
- International Business Machines Corporation
- Ken-Shin Cheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Managing electronic documents utilizing a digital seal
- Patent number 7,725,821
- Issue date May 25, 2010
- International Business Machines Corporation
- Ken-Shin Cheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Managing electronic documents utilizing a digital seal
- Patent number 7,689,912
- Issue date Mar 30, 2010
- International Business Machines Corporation
- Ken-Shin Cheng
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
MANAGING ELECTRONIC DOCUMENTS UTILIZING A DIGITAL SEAL
- Publication number 20080222422
- Publication date Sep 11, 2008
- International Business Machines Corporation
- Ken-Shin Cheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MANAGING ELECTRONIC DOCUMENTS UTILIZING A DIGITAL SEAL
- Publication number 20080215764
- Publication date Sep 4, 2008
- International Business Machines Corporation
- Ken-Shin Cheng
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MANAGING ELECTRONIC DOCUMENTS UTILIZING A DIGITAL SEAL
- Publication number 20080216004
- Publication date Sep 4, 2008
- International Business Machines Corporation
- Ken-Shin Cheng
- G06 - COMPUTING CALCULATING COUNTING