Inventor
HOGAN JOSH
US16 patents
⚠️ This page may combine multiple inventors who share the name “HOGAN JOSH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HEWLETT PACKARD CO
11 patentsUS6064748AMay 16, 2000
Method and apparatus for embedding and retrieving additional data in an encoded data stream
HEWLETT PACKARD CO154 citations98
US6532201B1Mar 11, 2003
Copy protection for optical discs
HEWLETT PACKARD CO55 citations95
US5828754AOct 27, 1998
Method of inhibiting copying of digital data
HEWLETT PACKARD CO58 citations95
US5699434ADec 16, 1997
Method of inhibiting copying of digital data
HEWLETT PACKARD CO85 citations95
US6278386B1Aug 21, 2001
Method of inhibiting copying of digital data by encoding decryption date within alternative channel bit selections
HEWLETT PACKARD CO23 citations92
US6047069AApr 4, 2000
Method and apparatus for preserving error correction capabilities during data encryption/decryption
HEWLETT PACKARD CO25 citations92
US6393596B1May 21, 2002
Missing pulse detector using synchronous detection
HEWLETT PACKARD CO24 citations89
US6118753ASep 12, 2000
Erasable digital video disk with reference clock track
HEWLETT PACKARD CO7 citations73
US6091698AJul 18, 2000
Overwriting phase change media by varying data patterns
HEWLETT PACKARD CO14 citations73
US5901157AMay 4, 1999
Method and apparatus for reducing the access time for storage systems
HEWLETT PACKARD CO10 citations73
US6310844B1Oct 30, 2001
Erasable digital video disk with reference clock track
HEWLETT PACKARD CO1 citations62
HEWLETT PACKARD DEVELOPMENT CO
4 patentsUS6947364B1Sep 20, 2005
Detecting track jumps during reading or writing of data on an optical disk
HEWLETT PACKARD DEVELOPMENT CO19 citations81
US6956799B1Oct 18, 2005
Phase discontinuity compensation in a bit-accurate optical drive
HEWLETT PACKARD DEVELOPMENT CO6 citations73
US6631108B1Oct 7, 2003
Method for accurate positioning of data marks and spaces on an optical disc
HEWLETT PACKARD DEVELOPMENT CO12 citations73
US7339871B2Mar 4, 2008
Method for accurate positioning of marks and spaces on an optical disc
HEWLETT PACKARD DEVELOPMENT CO0 citations51