P

Inventor

XIN KAI

CN67 patents
⚠️ This page may combine multiple inventors who share the name “XIN KAI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HUAWEI DIGITAL POWER TECH CO LTD

30 patents
US12224682B2Feb 11, 2025

Common-mode voltage injection control method and apparatus for inverter

HUAWEI DIGITAL POWER TECH CO LTD1 citations64
US12456869B2Oct 28, 2025

Photovoltaic power generation system, photovoltaic inverter, and IV curve scanning method

HUAWEI DIGITAL POWER TECH CO LTD0 citations62
US11897300B2Feb 13, 2024

Vehicle, control method for vehicle suspension, and related device

HUAWEI DIGITAL POWER TECH CO LTD0 citations62
US12316399B2May 27, 2025

Power line communication system, power electronic apparatus, and interference suppression method

HUAWEI DIGITAL POWER TECH CO LTD0 citations61
US12525898B2Jan 13, 2026

Grid-tied inverter apparatus and grid-tied control method

HUAWEI DIGITAL POWER TECH CO LTD0 citations56
US12597850B2Apr 7, 2026

Photovoltaic system and circulating current suppression method

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US12537374B2Jan 27, 2026

Photovoltaic system, relay detection method, and power supply system

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US12483158B2Nov 25, 2025

Power supply system, inverter, and method for controlling positive and negative bus voltages of inverter

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US12445062B2Oct 14, 2025

Bipolar power supply system and control method

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US12418248B2Sep 16, 2025

Photovoltaic system, inverter, and control method

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US12355253B2Jul 8, 2025

Photovoltaic system, protection method, and inverter system

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US12348047B2Jul 1, 2025

Photovoltaic system and carrier wave signal synchronization method

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US12224707B2Feb 11, 2025

Photovoltaic system and maximum input power determining method

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US11984800B2May 14, 2024

Power supply system and control method for power supply system

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US11855460B2Dec 26, 2023

Photovoltaic inverter and corresponding switching frequency control method

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US11699906B2Jul 11, 2023

String inverter control method, apparatus, and system, and storage medium

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US11626834B2Apr 11, 2023

Power backfeed control method, converter, and photovoltaic power generation system

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US11342757B2May 24, 2022

Islanding detection method and apparatus, and computer-readable storage medium

HUAWEI DIGITAL POWER TECH CO LTD0 citations52
US12483126B2Nov 25, 2025

Resonant switched capacitor converter and control method thereof

HUAWEI DIGITAL POWER TECH CO LTD0 citations51
US12395124B2Aug 19, 2025

Photovoltaic cell detection method, apparatus, and system, medium, and chip

HUAWEI DIGITAL POWER TECH CO LTD0 citations51
US12328061B2Jun 10, 2025

Method and apparatus for suppressing cross current in inverter parallel system

HUAWEI DIGITAL POWER TECH CO LTD0 citations51
US12316244B2May 27, 2025

Three-level inverter, control method, and system

HUAWEI DIGITAL POWER TECH CO LTD0 citations51
US12308791B2May 20, 2025

Photovoltaic power generation system, power control method, and combiner box

HUAWEI DIGITAL POWER TECH CO LTD0 citations51
US12212250B2Jan 28, 2025

Control method of three-phase multi-level inverter and inverter system

HUAWEI DIGITAL POWER TECH CO LTD0 citations51
US12160106B2Dec 3, 2024

Power supply system, converter, and circulating current suppression method of converter

HUAWEI DIGITAL POWER TECH CO LTD0 citations51
US12592634B2Mar 31, 2026

Direct current converter, control method, direct current combiner box, and photovoltaic power generation system

HUAWEI DIGITAL POWER TECH CO LTD0 citations50
US12184073B2Dec 31, 2024

Energy storage system, on/off-grid switching method, and power conversion system

HUAWEI DIGITAL POWER TECH CO LTD0 citations50
US12470065B2Nov 11, 2025

Power supply system and current conversion method

HUAWEI DIGITAL POWER TECH CO LTD0 citations49
US12470128B2Nov 11, 2025

Power convertor control method, control apparatus, and computer storage medium

HUAWEI DIGITAL POWER TECH CO LTD0 citations49
US12438371B2Oct 7, 2025

Power supply system and grid connection control method

HUAWEI DIGITAL POWER TECH CO LTD0 citations49

HUAWEI TECH CO LTD

10 patents

X RAY OPTICAL SYS INC

5 patents

CHEN ZEWU

2 patents

VONAGE NETWORK LLC

2 patents

KENT RIDGE DIGITAL LABS

1 patent

Showing the top 50 of 67 patents by PatentIndex Score.