YM

Yun-Ching Ma

PT Polytronics Technology: 2 patents #3 of 4Top 75%
Overall (2005): #27,558 of 245,428Top 15%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6898063 Over-current protection device Edward Chu, David Shau Chew Wang 2005-05-24
6853527 Over-current protection apparatus for high voltage Edward Chu, David Shau Chew Wang 2005-02-08