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Certification and Patent Status

Certification Status

Recognition

Registered Patents by the Korean Intellectual Property Office

- October 2017: Dot punching processing device for improving surface roughness, pattern processing method using the same, and valve plate for compressors with patterns
- January 2017: Valve plate with patterns processed by a punching machine and pattern processing method
- January 2016: Automatic scrap ejector for intersheet molds
- December 2015: Fine blanking mold
- November 2015: Valve plate for compressors and laser processing method for the surface of the valve plate
- September 2015: Fine blanking mold with an integrated mold module
- September 2015: Punching processing device for improving roughness and patterns processed using the same
- July 2011: Compressor clutch disk for automobiles
- February 2011: Shot forming device and method for valve plates of compressors
- May 2007: Manufacturing method for timing sprockets of camshafts for automobile engines