Inventor

DEFREESE DARRYL L

US7 patents

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

TIME WARNER ENTERTAINM CO LP

2 patents

US6493876B1Dec 10, 2002

System and method for providing a full service television system

TIME WARNER ENTERTAINM CO LP242 citations97

US7111314B2Sep 19, 2006

Technique for delivering entertainment programming content including interactive features in a communications network

TIME WARNER ENTERTAINM CO LP24 citations91

SCIENTIFIC ATLANTA

2 patents

US6405239B1Jun 11, 2002

Using a hierarchical file system for indexing data broadcast to a client from a network of servers

SCIENTIFIC ATLANTA177 citations97

US6671879B1Dec 30, 2003

Method and apparatus for pay-per-view system

SCIENTIFIC ATLANTA54 citations92

CISCO TECH INC

1 patent

US7515712B2Apr 7, 2009

Mechanism and apparatus for encapsulation of entitlement authorization in conditional access system

CISCO TECH INC28 citations88

TWC INTERACTIVE VIDEO GROUP INC

1 patent

US7890988B2Feb 15, 2011

Technique for delivering entertainment programming content including interactive features in a communications network

TWC INTERACTIVE VIDEO GROUP INC10 citations78

DEFREESE DARRYL L

1 patent

US8095785B2Jan 10, 2012

Authentication of entitlement authorization in conditional access systems

DEFREESE DARRYL L9 citations77