Inventor · disambiguated record
Wen-Yen Chan
Also filed as: CHAN WEN · CHAN WEN-YEN · CHAN WEN-YEN M
36 granted patents·396 citations·filing 2003–2013
98Inventor score
Top patents by PatentIndex Score
36 records- 0197US8000409B2Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratiosRESEARCH IN MOTION LTD·Filed 2010·Granted Aug 16, 2011·23 cites·21 claims
- 0295US8290085B2Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratiosCHAN WEN-YEN·Filed 2011·Granted Oct 16, 2012·15 cites·24 claims
- 0395US8098761B2Method and apparatus for optimizing transmitter power efficiencyCHAN WEN YEN·Filed 2010·Granted Jan 17, 2012·17 cites·20 claims
- 0495US7907920B2Control of switcher regulated power amplifier modulesRESEARCH IN MOTION LTD·Filed 2007·Granted Mar 15, 2011·24 cites·15 claims
- 0595US7787566B2Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratiosRESEARCH IN MOTION LTD·Filed 2009·Granted Aug 31, 2010·24 cites·16 claims
- 0694US7551689B2Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratiosRESEARCH IN MOTION LTD·Filed 2008·Granted Jun 23, 2009·20 cites·19 claims
- 0793US8160517B2Control of switcher regulated power amplifier modulesCHAN WEN-YEN·Filed 2010·Granted Apr 17, 2012·14 cites·23 claims
- 0893US7873119B2Input drive control for switcher regulated power amplifier modulesRESEARCH IN MOTION LTD·Filed 2007·Granted Jan 18, 2011·23 cites·21 claims
- 0992US8620238B2Method of power amplifier switching power control using post power amplifier power detectionCHAN WEN-YEN·Filed 2010·Granted Dec 31, 2013·37 cites·21 claims
- 1092US7852968B2Method and apparatus for optimizing transmitter power efficiencyRESEARCH IN MOTION LTD·Filed 2008·Granted Dec 14, 2010·17 cites·10 claims
- 1192US7333563B2Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratiosRESEARCH IN MOTION LTD·Filed 2004·Granted Feb 19, 2008·53 cites·21 claims
- 1290US8295792B2Control of switcher regulated power amplifier modulesCHAN WEN-YEN·Filed 2012·Granted Oct 23, 2012·9 cites·21 claims
- 1389US8670503B2Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratiosCHAN WEN-YEN·Filed 2012·Granted Mar 11, 2014·6 cites·32 claims
- 1489US8599963B2Method and apparatus for optimizing transmitter power efficiencyCHAN WEN YEN·Filed 2011·Granted Dec 3, 2013·9 cites·2 claims
- 1589US8428181B2Method and apparatus for optimizing transmitter power efficiencyCHAN WEN-YEN·Filed 2010·Granted Apr 23, 2013·9 cites·24 claims
- 1688US7471738B2Method and apparatus for optimizing transmitter power efficiencyRESEARCH IN MOTION LTD·Filed 2003·Granted Dec 30, 2008·27 cites·28 claims
- 1781US8761305B2Input drive control for switcher regulated power amplifier modulesCHAN WEN-YEN·Filed 2012·Granted Jun 24, 2014·6 cites·19 claims
- 1879US8606199B2Control of switcher regulated power amplifier modulesCHAN WEN-YEN·Filed 2012·Granted Dec 10, 2013·3 cites·21 claims
- 1979US8295397B2Input drive control for switcher regulated power amplifier modulesCHAN WEN-YEN·Filed 2010·Granted Oct 23, 2012·6 cites·20 claims
- 2077US9276545B2Method of power amplifier switching power control using post power amplifier power detectionBLACKBERRY LTD·Filed 2013·Granted Mar 1, 2016·4 cites·20 claims
- 2176US7508888B2Method and apparatus for precise open loop tuning of reference frequency within a wireless deviceRESEARCH IN MOTION LTD·Filed 2005·Granted Mar 24, 2009·5 cites·23 claims
- 2274US7558540B2Method and apparatus for regulating the transmitted power in multi-rate wireless communication systemsRESEARCH IN MOTION LTD·Filed 2003·Granted Jul 7, 2009·13 cites·13 claims
- 2373US8295403B2Method and apparatus for precise open loop tuning of reference frequency within a wireless deviceCHAN WEN-YEN M·Filed 2009·Granted Oct 23, 2012·5 cites·27 claims
- 2469US9041249B2Asymmetric series power packs with efficient dc-dc conversionCHAN WEN-YEN·Filed 2012·Granted May 26, 2015·3 cites·16 claims
- 2567US7433666B2Dual receive filterRESEARCH IN MOTION LTD·Filed 2005·Granted Oct 7, 2008·4 cites·16 claims
- 2665US8165045B2Mobile wireless communications device including a power divider connecting an LNA to multiple receive signal chainsCHAN WEN-YEN·Filed 2009·Granted Apr 24, 2012·2 cites·18 claims
- 2765US8125933B2Mobile wireless communications device including a differential output LNA connected to multiple receive signal chainsCHAN WEN-YEN·Filed 2009·Granted Feb 28, 2012·2 cites·20 claims
- 2864US7308042B2Method and apparatus for optimizing transmitter power efficiencyRESEARCH IN MOTION LTD·Filed 2004·Granted Dec 11, 2007·13 cites·20 claims
- 2960US8447257B2Dual receive filterCHAN WEN-YEN·Filed 2012·Granted May 21, 2013·1 cites·15 claims
- 3057US8190113B2Dual receive filterCHAN WEN-YEN·Filed 2008·Granted May 29, 2012·2 cites·16 claims
- 3153US8873675B2Method and apparatus for optimizing transmitter power efficiencyBLACKBERRY LTD·Filed 2013·Granted Oct 28, 2014·0 cites·20 claims
- 3253US8477878B2Method and apparatus for precise open loop tuning of reference frequency within a wireless deviceCHAN WEN-YEN·Filed 2012·Granted Jul 2, 2013·0 cites·28 claims
- 3352US7869776B2Method and apparatus for regulating the transmitted power in multi-rate wireless communication systemsRESEARCH IN MOTION LTD·Filed 2009·Granted Jan 11, 2011·0 cites·20 claims
- 3451US8855024B2Mobile wireless communications device including a differential output LNA connected to multiple receive signal chainsCHAN WEN-YEN·Filed 2012·Granted Oct 7, 2014·0 cites·20 claims
- 3550US8989060B2Mobile wireless communications device including a power divider connecting an LNA to multiple receive signal chainsCHAN WEN-YEN·Filed 2012·Granted Mar 24, 2015·0 cites·18 claims
- 3648US8965321B2Dual receive filterBLACKBERRY LTD·Filed 2013·Granted Feb 24, 2015·0 cites·15 claims
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