WC

Wen-Hsiung Chou

HC Hsien Chang Optical Industrial Co.: 3 patents #1 of 1Top 100%
📍 Tainan, TW: #71 of 842 inventorsTop 9%
Overall (2021): #37,915 of 548,734Top 7%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D926866 Eyeglass frame 2021-08-03
D926248 Eyeglass frame 2021-07-27
10948741 Nasal mask structure for eyeglasses 2021-03-16
D913358 Eyeglass lens 2021-03-16