Seong-Hwan Yi

UN Unknown: 1 patents #29,356 of 83,584Top 40%

📍 Seoul, KR: #14,539 of 39,741 inventorsTop 40%

Overall (All Time): #1,614,247 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6347626	Ventilation system for a kitchen	—	2002-02-19
6139427	Ventilation system	—	2000-10-31
5370578	Apparatus for ventilating rooms preferably large premises	—	1994-12-06