Patent assignee · CA · COMPANY

Vistar Telecommunications Inc.

8Patents
0Active
8Granted
32Portfolio score

Filing activity: Dec 4, 1996 → Dec 26, 2000

Most-cited patents

PatentTitleAreaCited byStatus
US5991279A Wireless packet data distributed communications system Emerging Cross-Sectional Technologies 314 Expired
US6243760A Information dissemination system with central and distributed caches Electricity 146 Expired
US6356539B1 Interactive satellite broadcast system Electricity 52 Expired
US6181286A Integrated satellite/terrestrial antenna Electricity 35 Expired
US6529088B2 Closed loop antenna tuning system Electricity 29 Expired
US5914944A Method of improving efficiency of radio channel usage in overlapping coverage areas Emerging Cross-Sectional Technologies 21 Expired
US6522638B1 Packet data communication system with buffered data and control channels Electricity 18 Expired
US6285341A Low profile mobile satellite antenna Electricity 4 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.