Information Broadcasting Laboratories — 10 Patents, Ranked #54,513

Patents per Year

Showing 1–11 of 11 inventors

Patent	Est. Value	Year
Change detection in a hierarchical directory using messages having a filtering mask	$1M	2008
Recording medium with video index information recorded therein video information management method which uses the video index information, recording medium with audio index information recorded therein, audio information management method which uses the audio index information, video retrieval method which uses video index information, audio retrieval method which uses the audio index information and a video retrieval system	$1M	2007
Apparatus and method for communicating hierarchical structures of directories	$974K	2008
Apparatus and method for maintaining hierarchical directory structure and transmitting changes in same	$847K	2006
Communication system	$716K	2004