Inventor
YEH TUNG FENG
US18 patents
⚠️ This page may combine multiple inventors who share the name “YEH TUNG FENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
L 1 SECURE CREDENTIALING INC
4 patentsUS7744002B2Jun 29, 2010
Tamper evident adhesive and identification document including same
L 1 SECURE CREDENTIALING INC101 citations97
US7833937B2Nov 16, 2010
Image destruct feature used with image receiving layers in secure documents
L 1 SECURE CREDENTIALING INC15 citations83
US7866559B2Jan 11, 2011
ID document structure with pattern coating providing variable security features
L 1 SECURE CREDENTIALING INC13 citations82
US8377847B2Feb 19, 2013
Image destruct feature used with image receiving layers in secure documents
L 1 SECURE CREDENTIALING INC0 citations51
POLAROID CORP
4 patentsUS5925289AJul 20, 1999
Synthetic UV-bleached polarizer and method for the manufacture thereof
POLAROID CORP56 citations95
US5599650AFeb 4, 1997
Photoreaction quenchers in on-press developable lithographic printing plates
POLAROID CORP72 citations95
US5677110AOct 14, 1997
On-press development of an overcoated lithographic plate
POLAROID CORP72 citations94
US5677108AOct 14, 1997
On-press removable quenching overcoat for lithographic plates
POLAROID CORP41 citations91