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USPTO Patent Rankings Data through Sept 30, 2025
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Soo-Joh Chae — 3 Patents

Seoul, KR: #14,539 of 39,741 inventorsTop 40%
Overall (All Time): #1,537,715 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8418464 Linear solar heat generating system 2013-04-16
8410621 Heat engine 2013-04-02
8341959 Heat engine using solar energy 2013-01-01