KT

Ko-Jan Tsai

TC Tien Hsin Industries Co.: 1 patents #20 of 45Top 45%
Overall (All Time): #2,193,133 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6767070 Bicycle wheel rims Cheng-Hsun Chiang 2004-07-27
5006298 Method of producing a badminton racket frame 1991-04-09