Patents/Inventors

Shuk Kwan Mak

Hong KongCN2 patents

3 Patents

US120778392024
Alloy with Interference Thin Film and Method for Making the Same
CHOW SANG SANG JEWELLERY COMPANY LIMITED
0 cites
US120548192024
Amorphous Alloy
CHOW SANG SANG JEWELLERY COMPANY LIMITED
0 cites
US118742312024
System and Method for Gemstone Identification
CHOW SANG SANG JEWELLERY COMPANY LIMITED
0 cites