Yoshihiro Kataoka

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Roll shell material and centrifugal cast composite roll
- Patent number 5,316,596
- Issue date May 31, 1994
- Kawasaki Steel Corporation
- Yoshihiro Kataoka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steels for hot working press tools
- Patent number 5,011,656
- Issue date Apr 30, 1991
- Kawaski Steel Corporation
- Manabu Ohori
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...