Patents/Inventors

Yunfei Yan

DongguanCN15 patents

12 Patents

US126095052026
Optical Amplification Apparatus and Signal Amplification Method of Optical Amplification Apparatus
Huawei Technologies Co., Ltd.
0 cites
US125738052026
Gain Adjuster, Gain Adjustment Method, and Optical Line Terminal
Huawei Technologies Co., Ltd.
0 cites
US125469942026
Head-up Display System and Image Display Method Based on Head-up Display System
Shenzhen Yinwang Intelligent Technologies Co., Ltd.
0 cites
US125348502026
Color Stable Treated Fabric and Method of Making the Same
0 cites
US124297582025
Display Apparatus and Display System
Shenzhen Yinwang Intelligent Technologies Co., Ltd.
0 cites
US123882912025
Thermal-power Direct-hung Energy-storage Frequency Modulation Plant Backup Power System
Huaneng Luoyuan Power Generation Co., Ltd
0 cites
US123285342025
Display Apparatus and Method, and Vehicle
HUAWEI TECHNOLOGIES CO., Ltd.
0 cites
US120857602024
Power Equalizer and Adjustment Method Therefor
Huawei Technologies Co., Ltd.
0 cites
US119537322024
Optical Cross-connect
HUAWEI TECHNOLOGIES CO., Ltd.
0 cites
US119095132024
Spectrum Processing Apparatus and Reconfigurable Optical Add-drop Multiplexer
Huawei Technologies Co., Ltd.
0 cites
US118243562023
System and Method of Black Start for New Power System with Energy Storage Configuration
Xi'an Thermal Power Research Institute Co., Ltd.
0 cites
US117992982023
System and Method for Frequency Modulation Based on Direct Current Controllable Load
XI'AN THERMAL POWER RESEARCH INSTITUTE CO., Ltd
0 cites