Takashi Tsukamoto

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Kitakyushu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Steel wire for making high strength steel wire product and method f...
- Patent number 5,458,699
- Issue date Oct 17, 1995
- Sumitomo Metal Industries, Ltd.
- Takashi Tsukamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Magnetically graduated steel bar
- Patent number 5,350,463
- Issue date Sep 27, 1994
- Sumitomo Metal Industries, Ltd.
- Takashi Tsukamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for manufacturing steel wires for use in wire drawing
- Patent number 5,156,692
- Issue date Oct 20, 1992
- Sumitomo Metal Industries, Ltd.
- Takashi Tsukamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Metallic material having ultra-fine grain structure and method for...
- Patent number 5,080,727
- Issue date Jan 14, 1992
- Sumitomo Metal Industries, Ltd.
- Kenji Aihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel wire for use in stranded steel core of an aluminum conductor,...
- Patent number 4,525,598
- Issue date Jun 25, 1985
- Sumitomo Metal Industries, Ltd.
- Takashi Tsukamoto
- C21 - METALLURGY OF IRON