Takuji Okiyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stainless steel sheet and a substrate for a solar cell and manufact...
- Patent number 5,986,205
- Issue date Nov 16, 1999
- Nisshin Steel Co., Ltd.
- Hisashi Matsune
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Soft magnetic alloy material
- Patent number 5,211,771
- Issue date May 18, 1993
- Nisshin Steel Company, Ltd.
- Takuji Okiyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Soft-magnetic nickel-iron-chromium alloy
- Patent number 5,158,624
- Issue date Oct 27, 1992
- Nisshin Steel Company Ltd.
- Takuji Okiyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Soft-magnetic nickel-iron-chromium alloy for magnetic cores
- Patent number 5,135,588
- Issue date Aug 4, 1992
- Nisshin Steel Company Ltd.
- Takuji Okiyama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...