YS

Yao-Fan Su

UN Unknown: 4 patents #4,220 of 83,584Top 6%
Overall (All Time): #2,176,401 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6844516 Wire cut electric discharge machine with rollers Chia-Lung Kuo, Zhi-Kai Xu, June-Chin Wang 2005-01-18
6809284 Wire cut electric discharge machine Chia-Lung Kuo, Zhi-Kai Xu, Ching-Yi Wu 2004-10-26