Kyung Ryul Han

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ChunAhn-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Weldable ultrahard materials and associated methods of manufacture
- Patent number 7,435,377
- Issue date Oct 14, 2008
- ADICO, Asia Polydiamond Company, Ltd.
- Hyun Sam Cho
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Self-grown monopoly compact grit
- Patent number 6,616,725
- Issue date Sep 9, 2003
- Hyun Sam Cho
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Supported PCD/PCBN tool with arched intermediate layer
- Patent number 6,068,913
- Issue date May 30, 2000
- Sid Co., Ltd.
- Hyun Sam Cho
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Weldable ultrahard materials and associated methods of manufacture
- Publication number 20070034416
- Publication date Feb 15, 2007
- Hyun Sam Cho
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Doubled-sided and multi-layered PCBN and PCD abrasive articles
- Publication number 20050210755
- Publication date Sep 29, 2005
- Hyun Sam Cho
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Doubled-sided and multi-layered PCD and PCBN abrasive articles
- Publication number 20050050801
- Publication date Mar 10, 2005
- Hyun Sam Cho
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR