YT

Yan-Hone Tsai

SC Sinpo Optical Co.: 1 patents #3 of 6Top 50%
Overall (All Time): #3,752,283 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5555058 Viewfinder illumination scale adjusting mechanism for cameras Yeou-Fu Huang 1996-09-10