Inventor

LEE CHOON-MAN

KR3 patents

⚠️ This page may combine multiple inventors who share the name “LEE CHOON-MAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NAT UNIV CHANGWON IND ACADEMY

1 patent

US9238286B2Jan 19, 2016

Method of controlling laser beam preheating temperature of surface of workpiece

NAT UNIV CHANGWON IND ACADEMY3 citations63

NAT UNIV CHANGWON IND ACADEMY COOP CORPS

1 patent

US10076814B1Sep 18, 2018

Multiple heat source-type preheating device for machining apparatus

NAT UNIV CHANGWON IND ACADEMY COOP CORPS4 citations58

LEE CHOON-MAN

1 patent

US9041267B2May 26, 2015

Preload control device of magnetic bearing

LEE CHOON-MAN0 citations30