YM

Yun-Ching Ma

PT Polytronics Technology: 3 patents #2 of 5Top 40%
Overall (2004): #17,397 of 270,089Top 7%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6809626 Over-current protection device Edward Chu, David Shau Chew Wang 2004-10-26
6806519 Surface mountable device Edward Chu, David Shau Chew Wang 2004-10-19
6794980 Over-current protection apparatus and method for making the same Edward Chu, David Shau Chew Wang 2004-09-21