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Kai Xin — 61 Patents

Huawei: 49 patents #251 of 15,535Top 2%

XSX-Ray Optical Systems: 7 patents #6 of 50Top 15%

KLKent Ridge Digital Labs: 1 patents #12 of 60Top 20%

MSMstar Semiconductor: 1 patents #312 of 622Top 55%

VAVonage America: 1 patents #24 of 71Top 35%

VNVonage Network: 1 patents #46 of 78Top 60%

Overall (All Time): #37,626 of 4,157,543Top 1%

61 Patents All Time

Kai Xin has been granted 61 US patents while listed as an inventor at Huawei. The first was granted in 2004 and the most recent in November 2025. Kai Xin ranks #37,626 of 4,157,543 US inventors in our database (top 0.91%). Patent records list Kai Xin in Shanghai, NJ, CN.

Patents per Year

Issued Patents All Time

Showing 1–25 of 61 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12483126	Resonant switched capacitor converter and control method thereof	Xiaozhou YU, Yung-Nung Liu, Fubin XU	2025-11-25
12483158	Power supply system, inverter, and method for controlling positive and negative bus voltages of inverter	Xiaozhou YU	2025-11-25
12470128	Power convertor control method, control apparatus, and computer storage medium	Ming Zhao, Peng Dong	2025-11-11
12470065	Power supply system and current conversion method	Zhangping Shao, Yong Zhou	2025-11-11
12456869	Photovoltaic power generation system, photovoltaic inverter, and IV curve scanning method	Xiaozhou YU, Jia-Su Wang, Song Wan	2025-10-28
12445062	Bipolar power supply system and control method	Xiaozhou YU	2025-10-14
12438371	Power supply system and grid connection control method	Fei Xu, Xiaozhou YU, Shooupyng Wang	2025-10-07
12418248	Photovoltaic system, inverter, and control method	Xinyu Yu, Xudong Wang, Lei Shi	2025-09-16
12395124	Photovoltaic cell detection method, apparatus, and system, medium, and chip	Xinyu Yu, Jianqiang Wang, Song Wan	2025-08-19
12355255	Inverter, power grid power supply system, and method for controlling excitation inrush current	Mingxuan Dong, Shuo Wang, Jie Chen, Wenchao Li, Mingquan ZHAO	2025-07-08
12355253	Photovoltaic system, protection method, and inverter system	Xinyu Yu, Yanzhong Zhang, Yongbing Gao	2025-07-08
12348047	Photovoltaic system and carrier wave signal synchronization method	Xinyu Yu, Peng Dong	2025-07-01
12328061	Method and apparatus for suppressing cross current in inverter parallel system	Xinyu Yu, Zhiwu Xu, Yanzhong Zhang, Junjie Li	2025-06-10
12328003	Energy storage system, power conversion system, and method for optimizing primary frequency modulation	Mingxuan Dong	2025-06-10
12316244	Three-level inverter, control method, and system	Xinyu Yu, Fei Xu, Zhiwu Xu, Lin Li, Haibin Guo	2025-05-27
12316399	Power line communication system, power electronic apparatus, and interference suppression method	Xinyu Yu, Fuqiang XU, Peng Dong	2025-05-27
12308791	Photovoltaic power generation system, power control method, and combiner box	Xinyu Yu, Peng Dong, Yongbing Gao, Yanzhong Zhang	2025-05-20
12231058	Power conversion apparatus and control method for power conversion apparatus	Congyuan Wang, Zhangping Shao	2025-02-18
12230966	Power control method and apparatus, and energy system	Mingxuan Dong	2025-02-18
12224707	Photovoltaic system and maximum input power determining method	Xinyu Yu	2025-02-11
12224682	Common-mode voltage injection control method and apparatus for inverter	Xinyu Yu, Peng Dong, Junjie Li	2025-02-11
12212250	Control method of three-phase multi-level inverter and inverter system	Lin Ji, Haibin Guo	2025-01-28
12184073	Energy storage system, on/off-grid switching method, and power conversion system	Mingxuan Dong, Yunfeng Liu	2024-12-31
12160106	Power supply system, converter, and circulating current suppression method of converter	Xinyu Yu, Yuan Yao, Fuqiang XU	2024-12-03
11984800	Power supply system and control method for power supply system	Xinyu Yu, Junjie Li	2024-05-14