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Chia-Po Chang

HC Hain Yo Enterprises Co.: 3 patents #1 of 1Top 100%
📍 Xishizhuang, TW: #1 of 10 inventorsTop 10%
Overall (2019): #95,832 of 560,194Top 20%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10459463 Water flow control valve 2019-10-29
10167963 Precision ceramics control valve 2019-01-01
10167964 Precision ceramics control balance valve 2019-01-01