Tadayoshi Fujiwara

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Mino-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Steel wire for high strength spring excellent in workability and hi...
- Patent number 8,007,716
- Issue date Aug 30, 2011
- Kabushiki Kaisha Kobe Seiko Sho
- Sumie Suda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Steel wire rod for hard drawn spring, drawn wire rod for hard drawn...
- Patent number 7,074,282
- Issue date Jul 11, 2006
- Kabushiki Kaisha Kobe Seiko Sho
- Nobuhiko Ibaraki
- C21 - METALLURGY OF IRON
Information Patent Grant
High strength and high toughness steel bar, rod and wire and the pr...
- Patent number 4,889,567
- Issue date Dec 26, 1989
- Kabushiki Kaisha Kobe Seiko
- Tadayoshi Fujiwara
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
Steel wire for high strength spring excellent in workability and hi...
- Publication number 20060201588
- Publication date Sep 14, 2006
- Sumie Suda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Oil tempered steel wire excellent in coiling workability and method...
- Publication number 20060088710
- Publication date Apr 27, 2006
- Tadayoshi Fujiwara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Steel wire rod for hard drawn spring,drawn wire rod for hard drawn...
- Publication number 20030024610
- Publication date Feb 6, 2003
- Nobuhiko Ibakaki
- C21 - METALLURGY OF IRON