Inventor · disambiguated record
Yunfang Bai
Also filed as: BAI YUNFANG
17 granted patents·8 pending applications·12 citations·filing 2013–2025
87Inventor score
Top patents by PatentIndex Score
25 records- 0178US11863134B2Balanced radio frequency power amplifier, chip and communication terminalCHEN GANG·Filed 2020·Granted Jan 2, 2024·1 cites·18 claims
- 0278US11277165B2Radio frequency front-end transmission module, chip, and communications terminalBAI YUNFANG·Filed 2020·Granted Mar 15, 2022·2 cites·10 claims
- 0375US11323074B2Radio frequency power amplifier based on power detection feedback, chip and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2018·Granted May 3, 2022·3 cites·14 claims
- 0474US11177781B2Radio frequency power amplifier based on current detection feedback, chip and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2018·Granted Nov 16, 2021·3 cites·7 claims
- 0573US10833636B2Method for improving linearity of radio frequency power amplifier, compensation circuit and communications terminalSHANGHAI VANCHIP TECH CO LTD·Filed 2016·Granted Nov 10, 2020·3 cites·12 claims
- 0663US12463597B2Radio-frequency power amplifier, radio-frequency front-end module and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2022·Granted Nov 4, 2025·0 cites·20 claims
- 0762US2025167744A1Balanced radio frequency power amplifier, radio frequency front-end module, and electronic deviceVANCHIP TIANJIN TECH CO LTD·Filed 2025·Application pending·0 cites
- 0858US12362452B23 DB orthogonal hybrid coupler, radio-frequency front-end module and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2022·Granted Jul 15, 2025·0 cites·6 claims
- 0957US2024230734A1Power detection circuit having temperature compensation function, and radio-frequency front-end module comprising power detection circuitVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 1057US2024146260A1Radio frequency front-end module and corresponding radio frequency front-end system, chip and electronic deviceVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 1157US2024243710A1High-bandwidth load-modulation power amplifier and corresponding radio frequency front-end moduleVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 1257US2024235496A1Radio frequency front-end module having current protection function, and electronic deviceVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 1357US2024234337A1Electromagnetic shielding structure, manufacturing method, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 1454US12255590B2Radio frequency power amplifier, chip, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2022·Granted Mar 18, 2025·0 cites·10 claims
- 1546US11115071B2Multimode and multi-frequency radio frequency front end module, chip, and communication terminalLI HAO·Filed 2020·Granted Sep 7, 2021·0 cites·12 claims
- 1644US2023336134A1Radio frequency power amplifier that reduces load change sensitivity, chip, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2023·Application pending·0 cites
- 1743US11146259B2Voltage equalization method for use in radiofrequency switch having multiple transistors connected in series and radiofrequency switchVANCHIP TIANJIN TECH CO LTD·Filed 2017·Granted Oct 12, 2021·0 cites·9 claims
- 1842US10879850B2Radio frequency power amplifier for inhibiting harmonic wave and stray, chip and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2017·Granted Dec 29, 2020·0 cites·12 claims
- 1936US9667205B2Multimode power amplifier and method of switching among multiple modes thereof, and mobile terminalVANCHIP (TIANJIN) TECH CO LTD·Filed 2013·Granted May 30, 2017·0 cites·5 claims
- 2035US11442888B2Serial communication apparatus for unidirectional communication between chips of radio frequency front-end module and inside the chipsZHANG QIHUA·Filed 2020·Granted Sep 13, 2022·0 cites·12 claims
- 2135US11302625B2Radio frequency transistor for improving radio frequency switch performance, chip and mobile terminalVANCHIP TIANJIN TECH CO LTD·Filed 2018·Granted Apr 12, 2022·0 cites·9 claims
- 2235US11133786B2Radio frequency power amplifier module having high linearity and power-added efficiency and implementation methodVANCHIP TIANJIN TECH CO LTD·Filed 2018·Granted Sep 28, 2021·0 cites·7 claims
- 2334US2019222238A1Radio frequency front-end transmission method and transmission module, chip, and communications terminalVANCHIP TIANJIN TECH CO LTD·Filed 2017·Application pending·0 cites
- 2432US11264335B2Anti-electromagnetic interference radio frequency module and implementation method thereforVANCHIP TIANJIN TECH CO LTD·Filed 2018·Granted Mar 1, 2022·0 cites·8 claims
- 2531US10637407B2Multimode power amplifier module, chip and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2016·Granted Apr 28, 2020·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →