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USPTO Patent Rankings Data through Sept 30, 2025
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CY

Chih-Chen Yen

Overall (All Time): #2,142,578 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7322615 Adjustable plumbing fitting — 2008-01-29
7082624 Water-separating apparatus for toilet tank — 2006-08-01

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