Takanari Miyaki

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Hokkaido, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-strength spring steel wire
- Patent number 7,789,974
- Issue date Sep 7, 2010
- Nippon Steel Corporation
- Masayuki Hashimura
- C21 - METALLURGY OF IRON
Information Patent Grant
Heat-treated steel wire for high strength spring
- Patent number 7,575,646
- Issue date Aug 18, 2009
- Nippon Steel Corporation
- Masayuki Hashimura
- C21 - METALLURGY OF IRON
Information Patent Grant
High toughness spring steel
- Patent number 6,406,565
- Issue date Jun 18, 2002
- Nippon Steel Corporation
- Masayuki Hashimura
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel wire for high-strength springs and method of producing the same
- Patent number 6,338,763
- Issue date Jan 15, 2002
- Nippon Steel Corporation
- Masayuki Hashimura
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Heat-treated steel wire for high strength spring
- Publication number 20040112473
- Publication date Jun 17, 2004
- Masayuki Hashimura
- C21 - METALLURGY OF IRON
Information Patent Application
High-strength spring steel and spring steel wire
- Publication number 20030201036
- Publication date Oct 30, 2003
- Masayuki Hashimura
- C21 - METALLURGY OF IRON