Yasunobu Kawaguchi

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spring steel of high strength and high corrosion resistance
- Patent number 5,846,344
- Issue date Dec 8, 1998
- Kabushiki Kaisha Kobe Seiko Sho
- Yasunobu Kawaguchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Spring steel of high strength and high corrosion resistance
- Patent number 5,508,002
- Issue date Apr 16, 1996
- Kabushiki Kaisha Kobe Seiko Sho
- Yasunobu Kawaguchi
- 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
Information Patent Grant
Coil of tapered wire
- Patent number 4,801,106
- Issue date Jan 31, 1989
- Kabushiki Kaisha Kobe Seiko Sho
- Heijiro Kawakami
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Production of a taper rod
- Patent number 4,800,744
- Issue date Jan 31, 1989
- Kabushiki Kaisha Kobe Seiko Sho
- Heijiro Kawakami
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...