Patents/Inventors

Changfeng Xia

Xi'anCN2 patents

3 Patents

US122159632025
Galvanometer Positioning Tool and Laser Printer
Xi'an Zhisensor Technologies Co., Ltd.
0 cites
US120222702024
MEMS Microphone and Preparation Method Therefor
CSMC TECHNOLOGIES FAB2 CO., Ltd.
0 cites
US116717652023
Micro-electro-mechanical System Device
CSMC TECHNOLOGIES FAB2 CO., Ltd.
0 cites