Hoi Him Ko

DL Defond Componets Limited: 1 patents #5 of 12Top 45%

DC Defond Electech Co.: 1 patents #3 of 13Top 25%

Overall (2020): #446,673 of 565,922Top 80%

Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

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