Inventor · disambiguated record
Yihong Qi
Also filed as: QI YIHONG
179 granted patents·24 pending applications·2,286 citations·filing 1996–2023
99Inventor score
Top patents by PatentIndex Score
203 records- 0198US7405703B2Mobile wireless communications device comprising a top-mounted auxiliary input/output device and a bottom-mounted antennaRESEARCH IN MOTION LTD·Filed 2006·Granted Jul 29, 2008·51 cites·25 claims
- 0298US7068230B2Mobile wireless communications device comprising multi-frequency band antenna and related methodsRESEARCH IN MOTION LTD·Filed 2005·Granted Jun 27, 2006·51 cites·20 claims
- 0397US8018386B2Multiple-element antenna with floating antenna elementRESEARCH IN MOTION LTD·Filed 2008·Granted Sep 13, 2011·70 cites·21 claims
- 0497US7403165B2Mobile wireless communications device comprising non-planar internal antenna without ground plane overlapRESEARCH IN MOTION LTD·Filed 2007·Granted Jul 22, 2008·33 cites·17 claims
- 0597US7091911B2Mobile wireless communications device comprising non-planar internal antenna without ground plane overlapRESEARCH IN MOTION LTD·Filed 2005·Granted Aug 15, 2006·42 cites·20 claims
- 0697US6329951B1Electrically connected multi-feed antenna systemRESEARCH IN MOTION LTD·Filed 2000·Granted Dec 11, 2001·172 cites·32 claims
- 0796US8279611B2Flexible cable having rectangular waveguide formed therein and methods of manufacturing sameWONG JOSHUA KWAN HO·Filed 2009·Granted Oct 2, 2012·59 cites·19 claims
- 0896US8068061B2Mobile wireless communications device including an electrically conductive, electrically floating element and related methodsQI YIHONG·Filed 2010·Granted Nov 29, 2011·22 cites·31 claims
- 0996US7088294B2Mobile wireless communications device comprising a top-mounted auxiliary input/output device and a bottom-mounted antennaRESEARCH IN MOTION LTD·Filed 2005·Granted Aug 8, 2006·25 cites·24 claims
- 1095US10389414B1Methods and apparatus for matrix compensation to prevent rank deficiencyMARVELL INT LTD·Filed 2017·Granted Aug 20, 2019·15 cites·20 claims
- 1195US6664930B2Multiple-element antennaRESEARCH IN MOTION LTD·Filed 2002·Granted Dec 16, 2003·104 cites·37 claims
- 1295US6031505ADual embedded antenna for an RF data communications deviceRESEARCH IN MOTION LTD·Filed 1998·Granted Feb 29, 2000·199 cites·9 claims
- 1395US5966098AAntenna system for an RF data communications deviceRESEARCH IN MOTION LTD·Filed 1996·Granted Oct 12, 1999·188 cites·12 claims
- 1494US8310401B2Mobile wireless communications device with selective load switching for antennas and related methodsQI YIHONG·Filed 2011·Granted Nov 13, 2012·11 cites·24 claims
- 1594US7812770B2Mobile wireless communications device including an electrically conductive, electrically floating element and related methodsRESEARCH IN MOTION LTD·Filed 2006·Granted Oct 12, 2010·29 cites·18 claims
- 1693US7555294B2System for determining total isotropic sensitivity (TIS) and related methodsRESEARCH IN MOTION LTD·Filed 2006·Granted Jun 30, 2009·26 cites·22 claims
- 1793US7519136B2Wireless positioning approach using time delay estimates of multipath componentsNTT DOCOMO INC·Filed 2005·Granted Apr 14, 2009·29 cites·5 claims
- 1892US10348380B1Methods and apparatus for singular value decomposition with norm sortingMARVELL INT LTD·Filed 2017·Granted Jul 9, 2019·9 cites·20 claims
- 1992US9614627B2Method and device for testing performance of wireless terminalGENERAL TEST SYSTEMS INC·Filed 2013·Granted Apr 4, 2017·16 cites·17 claims
- 2092US7973725B2Mobile wireless communications device with selective load switching for antennas and related methodsRESEARCH IN MOTION LTD·Filed 2008·Granted Jul 5, 2011·13 cites·23 claims
- 2192US7961154B2Antenna with near-field radiation controlRESEARCH IN MOTION LTD·Filed 2009·Granted Jun 14, 2011·17 cites·23 claims
- 2292US7627296B2Method of controlling a plurality of internal antennas in a mobile communication deviceRESEARCH IN MOTION LTD·Filed 2005·Granted Dec 1, 2009·22 cites·20 claims
- 2392US7483727B2Mobile wireless communications device having improved antenna impedance match and antenna gain from RF energyRESEARCH IN MOTION LTD·Filed 2005·Granted Jan 27, 2009·20 cites·23 claims
- 2492US7400300B2Multiple-element antenna with floating antenna elementRESEARCH IN MOTION LTD·Filed 2006·Granted Jul 15, 2008·23 cites·48 claims
- 2592US7271772B2Mobile wireless communications device comprising multi-frequency band antenna and related methodsRESEARCH IN MOTION LTD·Filed 2006·Granted Sep 18, 2007·16 cites·18 claims
- 2692US5821907AAntenna for a radio telecommunications deviceRESEARCH IN MOTION LTD·Filed 1996·Granted Oct 13, 1998·124 cites·18 claims
- 2791US6791500B2Antenna with near-field radiation controlRESEARCH IN MOTION LTD·Filed 2002·Granted Sep 14, 2004·44 cites·24 claims
- 2890US10012683B2System for testing wireless terminal and method for controlling sameGENERAL TEST SYSTEMS INC·Filed 2015·Granted Jul 3, 2018·5 cites·12 claims
- 2990US9398615B1Carrier sensing and symbol timing in a WLAN systemZHANG HONGYUAN·Filed 2012·Granted Jul 19, 2016·11 cites·15 claims
- 3090US8244234B2System and method of measuring total radiated power from mobile wireless communications deviceZHU LIZHONG·Filed 2007·Granted Aug 14, 2012·15 cites·18 claims
- 3190US7541991B2Antenna with near-field radiation controlRESEARCH IN MOTION LTD·Filed 2007·Granted Jun 2, 2009·15 cites·29 claims
- 3290US7489905B2System for determining RF path loss between an RF source and an RF receiver with hysteresis and related methodsRESEARCH IN MOTION LTD·Filed 2006·Granted Feb 10, 2009·20 cites·24 claims
- 3390US7239270B2Mobile wireless communications device comprising a satellite positioning system antenna and electrically conductive director element thereforRESEARCH IN MOTION LTD·Filed 2005·Granted Jul 3, 2007·18 cites·25 claims
- 3490US6891506B2Multiple-element antenna with parasitic couplerRESEARCH IN MOTION LTD·Filed 2003·Granted May 10, 2005·56 cites·29 claims
- 3589US9666935B2Mobile wireless communications device antenna assembly with antenna element and floating director element on flexible substrate and related methodsBLACKBERRY LTD·Filed 2016·Granted May 30, 2017·5 cites·20 claims
- 3689US7890133B2Mobile wireless communications device providing pattern/frequency control features and related methodsRESEARCH IN MOTION LTD·Filed 2005·Granted Feb 15, 2011·13 cites·14 claims
- 3789US7873339B2System for determining total isotropic sensitivity (TIS) using target received signal strength indicator (RSSI) value and related methodsRESEARCH IN MOTION LTD·Filed 2008·Granted Jan 18, 2011·18 cites·21 claims
- 3889US7489276B2Mobile wireless communications device comprising multi-frequency band antenna and related methodsRESEARCH IN MOTION LTD·Filed 2005·Granted Feb 10, 2009·15 cites·22 claims
- 3989US7423605B2Mobile wireless communications device including an electrically conductive director element and related methodsRESEARCH IN MOTION LTD·Filed 2006·Granted Sep 9, 2008·16 cites·25 claims
- 4089US7369091B2Mobile wireless communications device having dual antenna system for cellular and WiFiRESEARCH IN MOTION LTD·Filed 2006·Granted May 6, 2008·14 cites·22 claims
- 4189US7187332B2Mobile wireless communications device with human interface diversity antenna and related methodsRESEARCH IN MOTION LTD·Filed 2005·Granted Mar 6, 2007·17 cites·13 claims
- 4289US7148846B2Multiple-element antenna with floating antenna elementRESEARCH IN MOTION LTD·Filed 2004·Granted Dec 12, 2006·42 cites·20 claims
- 4389US6950071B2Multiple-element antennaRESEARCH IN MOTION LTD·Filed 2003·Granted Sep 27, 2005·50 cites·18 claims
- 4488US7519329B2Determination of antenna noise temperature for handheld wireless devicesRESEARCH IN MOTION LTD·Filed 2005·Granted Apr 14, 2009·11 cites·20 claims
- 4588US7321336B2Mobile wireless communications device including a wrap-around antenna assembly and related methodsRESEARCH IN MOTION LTD·Filed 2006·Granted Jan 22, 2008·22 cites·23 claims
- 4688US7183984B2Multiple-element antenna with parasitic couplerRESEARCH IN MOTION LTD·Filed 2005·Granted Feb 27, 2007·17 cites·29 claims
- 4787US9964577B2Wireless terminal testing systemGENERAL TEST SYSTEMS INC·Filed 2016·Granted May 8, 2018·7 cites·14 claims
- 4887US7812773B2Mobile wireless communications device antenna assembly with antenna element and floating director element on flexible substrate and related methodsRESEARCH IN MOTION LTD·Filed 2007·Granted Oct 12, 2010·13 cites·25 claims
- 4987US7705792B2Mobile wireless communications device comprising non-planar internal antenna without ground plane overlapRESEARCH IN MOTION LTD·Filed 2008·Granted Apr 27, 2010·9 cites·15 claims
- 5087US7656353B2Mobile wireless communications device comprising a satellite positioning system antenna with active and passive elements and related methodsRESEARCH IN MOTION LTD·Filed 2005·Granted Feb 2, 2010·13 cites·21 claims
Showing the top 50 of 203 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →