Inventor
KAMPERMAN FRANCISCUS L A J
NL13 patents
⚠️ This page may combine multiple inventors who share the name “KAMPERMAN FRANCISCUS L A J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONINKL PHILIPS ELECTRONICS NV
5 patentsUS6580682B1Jun 17, 2003
System for copy protection of recorded information
KONINKL PHILIPS ELECTRONICS NV42 citations95
US6574349B1Jun 3, 2003
Embedding and extracting supplemental data in an information signal
KONINKL PHILIPS ELECTRONICS NV24 citations88
US7334129B1Feb 19, 2008
Embedding supplemental data in an encoded signal
KONINKL PHILIPS ELECTRONICS NV11 citations83
US6951029B2Sep 27, 2005
Security device managed access to information
KONINKL PHILIPS ELECTRONICS NV5 citations61
US7792001B2Sep 7, 2010
Copy protection system for optical disc having a confusion pattern
KONINKL PHILIPS ELECTRONICS NV1 citations51
KONINKLIJKE PHILIPS NV
5 patentsUS10091186B2Oct 2, 2018
Secure authenticated distance measurement
KONINKLIJKE PHILIPS NV1 citations61
US9460271B2Oct 4, 2016
DRM system
KONINKLIJKE PHILIPS NV2 citations58
US10298564B2May 21, 2019
Secure authenticated distance measurement
KONINKLIJKE PHILIPS NV0 citations51
US10038686B2Jul 31, 2018
Hybrid device and person based authorization domain architecture
KONINKLIJKE PHILIPS NV0 citations51
US9590977B2Mar 7, 2017
Secure authenticated distance measurement
KONINKLIJKE PHILIPS NV0 citations51