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 patentsUS12224682B2Feb 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 patentsUS11171489B2Nov 9, 2021
Control method and controller for string inverter, inverter, and inverter system
HUAWEI TECH CO LTD3 citations72
US10715056B2Jul 14, 2020
Three-phase converter with zero-sequence regulation
HUAWEI TECH CO LTD2 citations71
US11316347B2Apr 26, 2022
Photovoltaic power system and control method thereof
HUAWEI TECH CO LTD3 citations70
US11689026B2Jun 27, 2023
Photovoltaic power system and control method thereof
HUAWEI TECH CO LTD0 citations59
US11336094B2May 17, 2022
Inverter, power generating system, and method for suppressing harmonic distortion of alternating current system
HUAWEI TECH CO LTD0 citations56
US11961923B2Apr 16, 2024
Solar cell and electronic device
HUAWEI TECH CO LTD0 citations52
US11818903B2Nov 14, 2023
Solar cell, and methods for preparing the solar cell, smart glasses, and electronic devices
HUAWEI TECH CO LTD0 citations52
US11693062B2Jul 4, 2023
Method for processing direct current electric arc and apparatus
HUAWEI TECH CO LTD0 citations51
US11563404B2Jan 24, 2023
Intensity of current-voltage curve scanning method for photovoltaic string, converter, and system
HUAWEI TECH CO LTD0 citations51
US11146181B2Oct 12, 2021
Control method and apparatus for common-mode modulated wave of single-phase five-level inverter
HUAWEI TECH CO LTD0 citations51
X RAY OPTICAL SYS INC
5 patentsUS7738630B2Jun 15, 2010
Highly aligned x-ray optic and source assembly for precision x-ray analysis applications
X RAY OPTICAL SYS INC19 citations82
US8050382B2Nov 1, 2011
Sample module with sample stream spaced from window, for x-ray analysis system
X RAY OPTICAL SYS INC7 citations79
US10256002B2Apr 9, 2019
Support structure and highly aligned monochromatic X-ray optics for X-ray analysis engines and analyzers
X RAY OPTICAL SYS INC4 citations71
US9343193B2May 17, 2016
XRF system having multiple excitation energy bands in highly aligned package
X RAY OPTICAL SYS INC2 citations61
US9048001B2Jun 2, 2015
XRF system having multiple excitation energy bands in highly aligned package
X RAY OPTICAL SYS INC1 citations61
CHEN ZEWU
2 patentsVONAGE NETWORK LLC
2 patentsKENT RIDGE DIGITAL LABS
1 patentShowing the top 50 of 67 patents by PatentIndex Score.