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USPTO Patent Rankings Data through Sept 30, 2025
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Do Sig Choi — 2 Patents

Overall (All Time): #2,237,462 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6056523 Scroll-type compressor having securing blocks and multiple discharge ports Hiun Won, Jae Kil Shim, Young Hun Cho 2000-05-02
5833442 Scroll-type compressor having improved pressure equalizing passage configuration Wan Pyo Park, Hiun Won, Yong-Hun Cho 1998-11-10