Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chang Dae Lee — 2 Patents in 2021

NPNaver Business Platform: 1 patents #1 of 10Top 10%
NCNaver Cloud: 1 patents #1 of 12Top 9%
Seoul, KR: #1,719 of 8,082 inventorsTop 25%
Overall (2021): #173,005 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11162739 Air-conditioning apparatus using heat pipe Keunho Ryu, Jeongbeom Ko, Byoung Nam Choi, Deok Soo Jung, Woo Jung Kim 2021-11-02
10982874 Heat pipe air-conditioning apparatus using bypass passage Keunho Ryu, Jeongbeom Ko, Byoung Nam Choi, Deok Soo Jung, Woo Jung Kim 2021-04-20