SY

Siew Yong

AC Actisys: 2 patents #3 of 4Top 75%
Overall (All Time): #2,131,091 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7479902 Universal mobile keyboard Lichen Wang, Keming W. Yeh 2009-01-20
6999008 Universal mobile keyboard Lichen Wang, Keming W. Yeh 2006-02-14