Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Yunfei Yan — 15 Patents

Huawei: 11 patents #1,234 of 15,535Top 8%
XCXi'An Thermal Power Research Institute Co.: 3 patents #2 of 76Top 3%
SCShenzhen Yinwang Intelligent Technologies Co.: 1 patents #52 of 185Top 30%
Dongguan, CN: #130 of 2,387 inventorsTop 6%
Overall (All Time): #308,514 of 4,157,543Top 8%
15 Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
12429758 Display apparatus and display system Tianhai Chang, Zhiyong Huang 2025-09-30
12388291 Thermal-power direct-hung energy-storage frequency modulation plant backup power system Pengyue Wu, Zhiliang Lin, Peihao Yang, Xiaofeng Xue, Xiliang Pan +21 more 2025-08-12
12328534 Display apparatus and method, and vehicle Jinlei Wang, Zhiyong Feng 2025-06-10
12085760 Power equalizer and adjustment method therefor Shimao Li, Bing Zou 2024-09-10
11953732 Optical cross-connect Zhiyong Feng, Liangjia Zong 2024-04-09
11909513 Spectrum processing apparatus and reconfigurable optical add-drop multiplexer Bing Zou, Shimao Li 2024-02-20
11824356 System and method of black start for new power system with energy storage configuration Peihao Yang, Ganghu Sun, Pengyue Wu, Qi Chai, Shuichao Kou +15 more 2023-11-21
11799298 System and method for frequency modulation based on direct current controllable load Chunhua Mu, Peihao Yang, Pengyue Wu, Ganghu Sun, Faguang Liang +23 more 2023-10-24
11067752 Reconfigurable optical add/drop multiplexer Zhiyong Feng, Han Zhao, Liangjia Zong 2021-07-20
10666363 Method and apparatus for transmitting optical signal, and wavelength selective switch Liangjia Zong, Han Zhao, Zhiyong Feng 2020-05-26
10666375 Signal monitoring method and apparatus for wavelength selective switch WSS Liangjia Zong, Han Zhao, Zhiyong Feng 2020-05-26
10620376 Reconfigurable optical add/drop multiplexer Zhiyong Feng, Han Zhao, Liangjia Zong 2020-04-14
10560186 Optical power equilibrium method and apparatus Liangjia Zong, Han Zhao, Zhiyong Feng 2020-02-11
10133005 Wavelength selective switch, reconfigurable optical add/drop multiplexer, and wavelength selection method Han Zhao, Zhiyong Feng 2018-11-20
9641917 Optical communications apparatus and method Zhiyong Feng, Han Zhao, Liangjia Zong 2017-05-02