Hoi Him Ko

DL Defond Componets Limited: 1 patents #21 of 50Top 45%

DC Defond Electech Co.: 1 patents #15 of 33Top 50%

Overall (All Time): #2,780,750 of 4,157,543Top 70%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10591949	Transducer device	Cheng Chen Nieh	2020-03-17