Shaun Peter O'Keefe

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Patents Grantslast 30 patents

Information Patent Grant
Printing and authentication of a security document on a substrate u...
- Patent number 8,736,908
- Issue date May 27, 2014
- Canon Kabushiki Kaisha
- Alvin Wai Leong Yeap
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Data block offset encoding method for coordinates
- Patent number 8,544,741
- Issue date Oct 1, 2013
- Canon Kabushiki Kaisha
- Shaun Peter O'Keefe
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
PAGE MARK-UP USING PRINTED DOT BARCODES
- Publication number 20100201114
- Publication date Aug 12, 2010
- Canon Kabushiki Kaisha
- Andrew James Fields
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
DOCUMENT SECURITY METHOD
- Publication number 20100142756
- Publication date Jun 10, 2010
- Canon Kabushiki Kaisha
- Andrew James Fields
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
PRINTING AND AUTHENTICATION OF A SECURITY DOCUMENT ON A SUBSTRATE
- Publication number 20090284802
- Publication date Nov 19, 2009
- Canon Kabushiki Kaisha
- Alvin Wai Leong Yeap
- G06 - COMPUTING CALCULATING COUNTING