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Hak Jae Lee — 1 Patent in 2021

HCHk Holdings Co.: 1 patents #3 of 6Top 50%

Seoul, KR: #3,157 of 8,082 inventorsTop 40%

Overall (2021): #440,057 of 548,734Top 85%

1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
11179804	Laser machining nozzle	Won Jae Lee, Sung Jun Jo, Yang Jae Shin	2021-11-23