Tadashi Ichiyama

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacturing amorphous alloy powders
- Patent number 4,647,305
- Issue date Mar 3, 1987
- Nippon Kinzoku Co., Ltd.
- Ko Kumai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Iron core for electrical machinery and apparatus as well as method...
- Patent number 4,613,842
- Issue date Sep 23, 1986
- Nippon Steel Corporation
- Tadashi Ichiyama
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Grain-oriented electromagnetic steel sheet with improved watt loss
- Patent number 4,552,596
- Issue date Nov 12, 1985
- Nippon Steel Corporation
- Tadashi Ichiyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for treating an electromagnetic steel sheet and an electroma...
- Patent number 4,363,677
- Issue date Dec 14, 1982
- Nippon Steel Corporation
- Tadashi Ichiyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Grain-oriented electromagnetic steel sheet with improved watt loss
- Patent number 4,293,350
- Issue date Oct 6, 1981
- Nippon Steel Corporation
- Tadashi Ichiyama
- C21 - METALLURGY OF IRON