Inventor · disambiguated record
Alan Cha
Also filed as: CHA ALAN · CHA ALAN G
13 granted patents·469 citations·filing 2000–2018
94Inventor score
Top patents by PatentIndex Score
13 records- 0193US6895217B1Stratospheric-based communication system for mobile users having adaptive interference rejectionDIRECTV GROUP INC·Filed 2000·Granted May 17, 2005·69 cites·17 claims
- 0293US6388615B1Micro cell architecture for mobile user tracking communication systemHUGHES ELECTRONICS CORP·Filed 2000·Granted May 14, 2002·57 cites·13 claims
- 0392US7257418B1Rapid user acquisition by a ground-based beamformerDIRECTV GROUP INC·Filed 2000·Granted Aug 14, 2007·59 cites·23 claims
- 0492US6941138B1Concurrent communications between a user terminal and multiple stratospheric transponder platformsDIRECTV GROUP INC·Filed 2000·Granted Sep 6, 2005·79 cites·80 claims
- 0589US6756937B1Stratospheric platforms based mobile communications architectureDIRECTV GROUP INC·Filed 2000·Granted Jun 29, 2004·43 cites·58 claims
- 0684US6751458B1Architecture utilizing frequency reuse in accommodating user-link and feeder-link transmissionsDIRECTV GROUP INC·Filed 2000·Granted Jun 15, 2004·28 cites·21 claims
- 0783US7317916B1Stratospheric-based communication system for mobile users using additional phased array elements for interference rejectionDIRECTV GROUP INC·Filed 2000·Granted Jan 8, 2008·26 cites·6 claims
- 0882US6549166B2Four-port patch antennaBOEING CO·Filed 2001·Granted Apr 15, 2003·45 cites·18 claims
- 0979US7890052B2Stratospheric-based communication system for mobile users using additional phased array elements for interference rejectionDIRECTV GROUP INC·Filed 2007·Granted Feb 15, 2011·7 cites·24 claims
- 1079US6914557B2Micro cell architecture for mobile user tracking communication systemDIRECTV GROUP INC·Filed 2001·Granted Jul 5, 2005·17 cites·26 claims
- 1177US6424299B1Dual hybrid-fed patch element for dual band circular polarization radiationBOEING CO·Filed 2001·Granted Jul 23, 2002·30 cites·9 claims
- 1266US6763242B1Resource assignment system and method for determining the sameDIRECTV GROUP INC·Filed 2000·Granted Jul 13, 2004·9 cites·19 claims
- 1349US11188529B2Autonomous generation of a graph query language interface on top of an application programming interfaceIBM·Filed 2018·Granted Nov 30, 2021·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →