YM

Yun-Ching Ma

PT Polytronics Technology: 2 patents #1 of 4Top 25%
Overall (2003): #34,712 of 273,478Top 15%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6665164 Surface mountable over-current protecting apparatus Edward Chu, David Shau Chew Wang 2003-12-16
6512446 Over-current protection apparatus David Shau Chew Wang, Chiung-Huei Shieh 2003-01-28