Shigeyoshi Maeda

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Materials having a deoxidation function and a method of removing ox...
- Patent number 4,877,664
- Issue date Oct 31, 1989
- Nippon Steel Corporation
- Shigeyoshi Maeda
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Materials having a deoxidation function and a method of removing ox...
- Patent number 4,740,402
- Issue date Apr 26, 1988
- Nippon Steel Corporation
- Shigeyoshi Maeda
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Method of improving functions of surface of alloy steel by means of...
- Patent number 4,692,191
- Issue date Sep 8, 1987
- Nippon Steel Corporation
- Shigeyoshi Maeda
- B44 - DECORATIVE ARTS
Information Patent Grant
Method for the manufacture of a steel sheet adapted for use in iron...
- Patent number 4,235,947
- Issue date Nov 25, 1980
- Nippon Steel Corporation
- Hidejiro Asano
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...