WC

Wen-Hsien Chang

UN Unknown: 2 patents #12,644 of 83,584Top 20%
FC Four Pillars Enterprise Co.: 1 patents #4 of 13Top 35%
Overall (All Time): #1,179,278 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10317185 Silicon steel bar checking device Piao Chen, Chien-Sheng Tsai 2019-06-11
6595113 Radiating structure for a motor of a food processor 2003-07-22
6447861 Faery adhesive tape Cheng-Kang Kao, Ko-Hung Hsu 2002-09-10
5947306 Modular rack for flower pot, vase, and the like 1999-09-07