FC

Fong K. Chien

Overall (All Time): #1,299,577 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5075541 Optical image detecting device with optical image differential capability — 1991-12-24
5001467 Structure of optical mouse — 1991-03-19
4963858 Changeable input ratio mouse — 1990-10-16
4890334 Buoy structure for detecting fishing grounds — 1989-12-26