Jun-Gyu Hur

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Busan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing shadow mask using hybrid processing and sha...
- Patent number 10,680,177
- Issue date Jun 9, 2020
- AP SYSTEMS INC.
- Jong-Kab Park
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of manufacturing shadow mask using hybrid processing and sha...
- Patent number 10,428,415
- Issue date Oct 1, 2019
- AP SYSTEMS INC.
- Jong-Kab Park
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING SHADOW MASK USING HYBRID PROCESSING AND SHA...
- Publication number 20180202035
- Publication date Jul 19, 2018
- AP SYSTEMS INC.
- Jong-Kab Park
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD OF MANUFACTURING SHADOW MASK USING HYBRID PROCESSING AND SHA...
- Publication number 20180205018
- Publication date Jul 19, 2018
- AP SYSTEMS INC.
- Jong-Kab PARK
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...