Lee Bong Kyu

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Suji-gu, KR

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Patents Grantslast 30 patents

Information Patent Grant
Contoured PCD and PCBN segments for cutting tools containing such s...
- Patent number 9,468,980
- Issue date Oct 18, 2016
- H. Sam Cho
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Contoured PCD and PCBN for twist drill tips and end mills and metho...
- Patent number 8,052,765
- Issue date Nov 8, 2011
- H. Sam Cho
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
CONTOURED PCD AND PCBN SEGMENTS FOR CUTTING TOOLS CONTAINING SUCH S...
- Publication number 20120103701
- Publication date May 3, 2012
- H. Sam Cho
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR