YK

Yen-Feng Ko

QI Qisda: 1 patents #193 of 490Top 40%
Overall (All Time): #3,167,865 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8491126 Projector and projection lens having associated thermal transfer structure Tsung-Hsun Wu 2013-07-23