Inventor · disambiguated record
Qishan Yu
Also filed as: YU QISHAN
16 granted patents·5 pending applications·66 citations·filing 2010–2024
91Inventor score
Top patents by PatentIndex Score
21 records- 0191US8583187B2Shielding structures for wireless electronic devices with displaysKIM MOON·Filed 2010·Granted Nov 12, 2013·25 cites·28 claims
- 0289US11194032B2Systems and methods for object detection by radio frequency systemsAPPLE INC·Filed 2019·Granted Dec 7, 2021·8 cites·20 claims
- 0385US10957985B2Electronic devices having antenna module isolation structuresAPPLE INC·Filed 2018·Granted Mar 23, 2021·4 cites·20 claims
- 0484US10833740B1Systems and methods for coarse scan beamforming using subarraysAPPLE INC·Filed 2019·Granted Nov 10, 2020·5 cites·20 claims
- 0584US10763899B1Radio-frequency integrated circuit (RFIC) external front-end moduleAPPLE INC·Filed 2019·Granted Sep 1, 2020·5 cites·20 claims
- 0684US10652065B2Systems and methods for compression distortion compensation for wireless signalsAPPLE INC·Filed 2018·Granted May 12, 2020·5 cites·20 claims
- 0782US10469120B1Radio frequency front-end circuitry intermediate driver systems and methodsAPPLE INC·Filed 2018·Granted Nov 5, 2019·4 cites·20 claims
- 0880US12436254B2Systems and methods for object detection by radio frequency systemsAPPLE INC·Filed 2023·Granted Oct 7, 2025·0 cites·20 claims
- 0979US2024363999A1Radio Frequency Remote Head Front-End Circuitry Systems and MethodsAPPLE INC·Filed 2024·Application pending·0 cites
- 1073US11828833B2Systems and methods for object detection by radio frequency systemsAPPLE INC·Filed 2021·Granted Nov 28, 2023·0 cites·20 claims
- 1173US9444540B2System and methods for performing antenna transmit diversityAPPLE INC·Filed 2012·Granted Sep 13, 2016·4 cites·21 claims
- 1268US11050454B2Radio frequency front-end circuitry intermediate driver systems and methodsAPPLE INC·Filed 2019·Granted Jun 29, 2021·1 cites·20 claims
- 1368US9069037B2Methods for testing wireless electronic devices using automatic self-test modeYU QISHAN·Filed 2012·Granted Jun 30, 2015·3 cites·18 claims
- 1467US12068533B2Radio frequency remote head front-end circuitry systems and methodsAPPLE INC·Filed 2020·Granted Aug 20, 2024·0 cites·20 claims
- 1565US8995934B2Wireless communications circuitry with a triplexer for separating radio-frequency signals in adjacent frequency bandsAPPLE INC·Filed 2012·Granted Mar 31, 2015·2 cites·17 claims
- 1660US10826168B2Radio frequency remote head front-end circuitry systems and methodsAPPLE INC·Filed 2019·Granted Nov 3, 2020·0 cites·25 claims
- 1759US10826169B2Radio frequency remote head front-end circuitry systems and methodsAPPLE INC·Filed 2019·Granted Nov 3, 2020·0 cites·25 claims
- 1852US2025105862A1Electronic Device Having Switched Filter CombiningAPPLE INC·Filed 2024·Application pending·0 cites
- 1952US2024413845A1Electronic Devices Having Integrated Amplifier and Coupler ModulesAPPLE INC·Filed 2024·Application pending·0 cites
- 2050US2025096821A1System and method to enable low band downlink carrier aggregationAPPLE INC·Filed 2024·Application pending·0 cites
- 2137US2015126132A1Methods and apparatus for radio co-existence testing and verification of wireless systemsAPPLE INC·Filed 2013·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →