CY

Ching Han Yu

PT Polytronics Technology: 4 patents #20 of 58Top 35%
Overall (All Time): #1,238,819 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7965479 Over-current and over-voltage protection assembly apparatus Pao Hsuan Chen, Tong Cheng Tsai 2011-06-21
7852192 Protective circuit board and overcurrent protection device thereof David Shau Chew Wang, Pao Hsuan Chen 2010-12-14
7205878 Over-current protection device and manufacturing method thereof Zack Lin 2007-04-17
7071810 Over-current protection apparatus Yun-Ching Ma 2006-07-04