TC

Tung-Ming Chang

PC Power Quotient International Co.: 1 patents #12 of 21Top 60%
📍 Dongguan, CN: #498 of 2,387 inventorsTop 25%
Overall (All Time): #1,184,952 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9963918 Humanized convenient door lock 2018-05-08
8480435 USB connector Chen-Ang Hsiao, Wei-Kun Lee, Chia-Hsin Tsai 2013-07-09
6003260 Photograph frame assembly with a rotatable supporting member 1999-12-21
5933996 Photograph frame assembly with a slidable and rotatable supporting member 1999-08-10