Inventor · disambiguated record
Daniel D. Downing
Also filed as: DOWNING DANIEL · DOWNING DANIEL D
4 granted patents·66 citations·filing 1999–2004
77Inventor score
Technology areasG11B
Files withMACROVISION CORP4
Top patents by PatentIndex Score
4 records- 0189US6842522B1Secure digital video disk and playerMACROVISION CORP·Filed 2000·Granted Jan 11, 2005·38 cites·19 claims
- 0268US7310764B2Digital video disk and player and associated methods with proprietary formatMACROVISION CORP·Filed 2004·Granted Dec 18, 2007·7 cites·69 claims
- 0366US7356142B1Secure compact disk and playerMACROVISION CORP·Filed 2000·Granted Apr 8, 2008·8 cites·35 claims
- 0454US6748079B1Method and system for recording data on and reading data from an optical mediumMACROVISION CORP·Filed 1999·Granted Jun 8, 2004·13 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →