Patents/Inventors

Chi-ching Chen

New TaipeiTW3 patents

4 Patents

US121697532024
Physical Card Capable of Improving Authenticity Identification and Methods of Using Thereof
0 cites
US121184242024
Physical Card Capable of Improving Authenticity Identification and Methods of Using Thereof
0 cites
US120539442024
Dyeing Method for Functional Contact Lenses
VIZIONFOCUS Inc.
0 cites
US120509582024
Physical Card Capable of Improving Authenticity Identification and Methods of Using Thereof
0 cites