Chun; Myung Sik

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chun; Myung Sik.The latest application filed is for "method and device for magnetic domain refinement of oriented electrical steel plate".

Company Profile

5.4.6

Chun; Myung Sik - Pohang-si KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and device for magnetic domain refinement of oriented electrical steel plate Grant 11,072,838 - Lim , et al. July 27, 2	2021-07-27
Method for refining magnetic domains of grain-oriented electrical steel plates, and apparatus therefor Grant 11,060,163 - Hong , et al. July 13, 2	2021-07-13
Method and device for magnetic domain refinement of oriented electrical steel plate Grant 11,000,920 - Lee , et al. May 11, 2	2021-05-11
Method And Device For Magnetic Domain Refinement Of Oriented Electrical Steel Plate App 20190070693 - LEE; Gyoo Taek ; et al.	2019-03-07
Method For Refining Magnetic Domains Of Grain-oriented Electrical Steel Plates, And Apparatus Therefor App 20190062866 - HONG; Seong Cheol ; et al.	2019-02-28
Method And Device For Magnetic Domain Refinement Of Oriented Electrical Steel Plate App 20190032167 - LIM; Seung Ho ; et al.	2019-01-31
Method For Refining Magnetic Domain Of Grain-oriented Electrical Steel Sheet, And Device Therefor App 20190010566 - HONG; Seong-Cheol ; et al.	2019-01-10
Apparatus and method for ultrasonic detection to detect flaws of steel plate Grant 10,082,487 - Lim , et al. September 25, 2	2018-09-25
Cutting Apparatus And Cutting Method App 20170157686 - MOON; Chang-Ho ; et al.	2017-06-08
Apparatus And Method For Ultrasonic Detection To Detect Flaws Of Steel Plate App 20160320345 - LIM; Choong Soo ; et al.	2016-11-03

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