Kozo Kitamura

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plate-crystalline tungsten carbide-containing hard alloy, compositi...
- Patent number 5,993,506
- Issue date Nov 30, 1999
- Toshiba Tungaloy Co., Ltd.
- Masaki Kobayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Plate-crystalline tungsten carbide-containing hard alloy, compositi...
- Patent number 5,918,103
- Issue date Jun 29, 1999
- Toshiba Tungaloy Co., Ltd.
- Masaki Kobayashi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High toughness cermet and process for preparing the same
- Patent number 5,145,505
- Issue date Sep 8, 1992
- Toshiba Tungaloy Co., Ltd.
- Takeshi Saito
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High strength nitrogen-containing cermet and process for preparatio...
- Patent number 4,985,070
- Issue date Jan 15, 1991
- Toshiba Tungaloy Co., Ltd.
- Kozo Kitamura
- B22 - CASTING POWDER METALLURGY