Inventor

YUEN HENRY

US2 patents

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

INDEX SYSTEMS INC

1 patent

US7328450B2Feb 5, 2008

Method and system for displaying targeted advertisements in an electronic program guide

INDEX SYSTEMS INC256 citations95

GEMSTAR EBOOK GROUP LTD

1 patent

US7437318B2Oct 14, 2008

Systems and methods for electronic off-line catalog

GEMSTAR EBOOK GROUP LTD13 citations74