HC

Hsu-Ying Chang

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #3,339,467 of 4,157,543Top 85%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7611241 Spectacle with an illumination device Hsin-An Chen 2009-11-03