Assignee
VANCHIP TIANJIN TECH CO LTD
CN·24 granted patents·21 pending applications·9 citations·filing 2013–2025
Top patents by PatentIndex Score
45 records- 0176US2026074665A1High-linearity low-noise amplifier, chip, and electronic deviceVANCHIP TIANJIN TECH CO LTD·Filed 2025·Application pending·0 cites
- 0275US11323074B2Radio 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
- 0374US11177781B2Radio 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
- 0471US2025240040A1Transmitting front-end module integrated with multifunctional power supply and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2025·Application pending·0 cites
- 0570US10320385B2Variable coding method for realizing chip reuse and communication terminal thereforVANCHIP TIANJIN TECH CO LTD·Filed 2016·Granted Jun 11, 2019·2 cites·11 claims
- 0668US2026031709A1Peak current control circuit and method for adaptive ramp compensation, and dc-dc converterVANCHIP TIANJIN TECH CO LTD·Filed 2025·Application pending·0 cites
- 0763US12463597B2Radio-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
- 0863US2026082962A1Cavity filter system-in-package module, electronic product, and preparation methodVANCHIP TIANJIN TECH CO LTD·Filed 2025·Application pending·0 cites
- 0962US2025167744A1Balanced radio frequency power amplifier, radio frequency front-end module, and electronic deviceVANCHIP TIANJIN TECH CO LTD·Filed 2025·Application pending·0 cites
- 1061US2026010188A1Low dropout regulator with over-current protection, and chip and electronic deviceVANCHIP TIANJIN TECH CO LTD·Filed 2025·Application pending·0 cites
- 1158US12362452B23 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
- 1258US2024283414A1Low noise amplifier and corresponding radio frequency front-end module, method, and mobile terminalVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 1357US2024230734A1Power 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
- 1457US2026025162A1Multi-mode, multi-band radio-frequency front-end circuit, radio-frequency front-end device, and mobile phoneVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 1557US2024146260A1Radio 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
- 1657US2024243710A1High-bandwidth load-modulation power amplifier and corresponding radio frequency front-end moduleVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 1757US2024235496A1Radio frequency front-end module having current protection function, and electronic deviceVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 1857US2024234337A1Electromagnetic shielding structure, manufacturing method, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 1956US2026051919A1Low-loss radio frequency transceiving front-end module and electronic deviceVANCHIP TIANJIN TECH CO LTD·Filed 2025·Application pending·0 cites
- 2055US12231035B2Charge pump circuit, chip, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2023·Granted Feb 18, 2025·0 cites·12 claims
- 2154US12255590B2Radio frequency power amplifier, chip, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2022·Granted Mar 18, 2025·0 cites·10 claims
- 2253US10168727B2Adaptive low-dropout regulator having wide voltage endurance range, chip and terminalVANCHIP TIANJIN TECH CO LTD·Filed 2016·Granted Jan 1, 2019·1 cites·11 claims
- 2352US2025334985A1Ldo circuit having current limiting function, and chip and electronic deviceVANCHIP TIANJIN TECH CO LTD·Filed 2025·Application pending·0 cites
- 2451US12519428B2Radio frequency power amplifier, radio frequency front-end module, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2022·Granted Jan 6, 2026·0 cites·10 claims
- 2549US12411509B2LDO circuit having power supply rejection function, chip and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2024·Granted Sep 9, 2025·0 cites·7 claims
- 2646US2024143005A1Power supply suppression circuit, chip and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 2745US12422876B2Self-adaptive fast-response ldo circuit and chip thereofVANCHIP TIANJIN TECH CO LTD·Filed 2023·Granted Sep 23, 2025·0 cites·10 claims
- 2844US12362747B2Radio frequency switch circuit, chip, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2021·Granted Jul 15, 2025·0 cites·8 claims
- 2944US10878148B2Variable signal flow control method for realizing chip reuse and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2017·Granted Dec 29, 2020·0 cites·12 claims
- 3044US10763745B2Variable-frequency electric charge pump unit, chip, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2017·Granted Sep 1, 2020·0 cites·11 claims
- 3144US2024143006A1Adaptive overshoot-voltage suppression circuit, reference circuit, chip and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 3244US2023336134A1Radio frequency power amplifier that reduces load change sensitivity, chip, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2023·Application pending·0 cites
- 3344US2024152172A1Overshoot-free fast start-up bandgap reference circuit, chip, and electronic deviceVANCHIP TIANJIN TECH CO LTD·Filed 2024·Application pending·0 cites
- 3443US12166484B2On-chip RC oscillator, chip, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2023·Granted Dec 10, 2024·0 cites·14 claims
- 3543US11146259B2Voltage 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
- 3642US10879850B2Radio 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
- 3736US10944370B2Multi-gain mode power amplifier, chip, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2017·Granted Mar 9, 2021·0 cites·16 claims
- 3836US9667205B2Multimode 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
- 3935US11302625B2Radio 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
- 4035US11133786B2Radio 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
- 4134US2019222238A1Radio frequency front-end transmission method and transmission module, chip, and communications terminalVANCHIP TIANJIN TECH CO LTD·Filed 2017·Application pending·0 cites
- 4232US11264335B2Anti-electromagnetic interference radio frequency module and implementation method thereforVANCHIP TIANJIN TECH CO LTD·Filed 2018·Granted Mar 1, 2022·0 cites·8 claims
- 4332US2019393904A1Multipath switch circuit, chip and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2016·Application pending·0 cites
- 4431US10637407B2Multimode power amplifier module, chip and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2016·Granted Apr 28, 2020·0 cites·18 claims
- 4525US10771018B2Harmonic suppression method, corresponding low-noise amplifier, and communication terminalVANCHIP TIANJIN TECH CO LTD·Filed 2017·Granted Sep 8, 2020·0 cites·9 claims
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