Assignee
VPL RESEARCH INC
US·12 granted patents·1,743 citations·filing 1982–1995
Top patents by PatentIndex Score
12 records- 0199US4988981AComputer data entry and manipulation apparatus and methodVPL RESEARCH INC·Filed 1989·Granted Jan 29, 1991·944 cites·66 claims
- 0291US5097252AMotion sensor which produces an asymmetrical signal in response to symmetrical movementVPL RESEARCH INC·Filed 1989·Granted Mar 17, 1992·125 cites·36 claims
- 0390US4937444AOptical flex sensorVPL RESEARCH INC·Filed 1989·Granted Jun 26, 1990·56 cites·22 claims
- 0488US5588139AMethod and system for generating objects for a multi-person virtual world using data flow networksVPL RESEARCH INC·Filed 1993·Granted Dec 24, 1996·150 cites·30 claims
- 0586US4542291AOptical flex sensorVPL RESEARCH INC·Filed 1982·Granted Sep 17, 1985·164 cites·11 claims
- 0681US5684943AMethod and apparatus for creating virtual worldsVPL RESEARCH INC·Filed 1995·Granted Nov 4, 1997·103 cites·13 claims
- 0777US5546530AMethod and apparatus for rendering graphical images using parallel processingVPL RESEARCH INC·Filed 1994·Granted Aug 13, 1996·57 cites·10 claims
- 0875US5798739AVirtual image display deviceVPL RESEARCH INC·Filed 1994·Granted Aug 25, 1998·35 cites·9 claims
- 0968US5588104AMethod and apparatus for creating virtual worlds using a data flow networkVPL RESEARCH INC·Filed 1994·Granted Dec 24, 1996·60 cites·42 claims
- 1058US5587936AMethod and apparatus for creating sounds in a virtual world by simulating sound in specific locations in space and generating sounds as touch feedbackVPL RESEARCH INC·Filed 1993·Granted Dec 24, 1996·29 cites·16 claims
- 1139US5559995AMethod and apparatus for creating a wireframe and polygon virtual worldVPL RESEARCH INC·Filed 1992·Granted Sep 24, 1996·9 cites·9 claims
- 1239US5521373APosition tracking system using a radiation director which directs radiation from a radiation source onto a radiation sensor, depending on the position of the radiation sourceVPL RESEARCH INC·Filed 1993·Granted May 28, 1996·11 cites·2 claims
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