CY

Chin-Wen Yen

YK Ykk: 1 patents #472 of 845Top 60%
📍 Tainan, TW: #1,105 of 4,566 inventorsTop 25%
Overall (All Time): #948,741 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11794235 Button badge making machine 2023-10-24
10905204 Pull and manufacturing method of pull Yuji Kondo, Wei Chen Yeh 2021-02-02
10603807 Punching device 2020-03-31
9517574 Punching device 2016-12-13
9492940 Stationery punching device for creating a decorative craft 2016-11-15