P

Inventor

HINTERHOELZL WALTER

AT6 patents
⚠️ This page may combine multiple inventors who share the name “HINTERHOELZL WALTER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY DADC AUSTRIA AG

3 patents
US8356355B2Jan 15, 2013

DVD copy protection

SONY DADC AUSTRIA AG2 citations57
US8000179B2Aug 16, 2011

Optical disc including two different sets of sectors having identical IDs

SONY DADC AUSTRIA AG3 citations57
US9013970B2Apr 21, 2015

Method for copy protection

SONY DADC AUSTRIA AG0 citations46

SPITZLINGER MARKUS

2 patents
US8717857B2May 6, 2014

Method for copy protection

SPITZLINGER MARKUS6 citations75
US9263085B2Feb 16, 2016

Method for copy protection

SPITZLINGER MARKUS0 citations33

HOLZAPFEL KLAUS

1 patent
US8649513B2Feb 11, 2014

Method for converting non copy protected data into copy protected data

HOLZAPFEL KLAUS1 citations38