Akinori Yokoyama

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Kurashiki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Anisotropic conductive composition
- Patent number 6,190,578
- Issue date Feb 20, 2001
- Asahi Kasei Kogyo Kabushiki Kaisha
- Akinori Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Aluminum-containing oxide and process for producing aluminum-contai...
- Patent number 5,413,974
- Issue date May 9, 1995
- Asahi Kasei Kogyo Kabushiki Kaisha
- Akinori Yokoyama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Copper alloy compositions
- Patent number 5,242,511
- Issue date Sep 7, 1993
- Asahi Kasei Kogyo Kabushiki Kaisha
- Akinori Yokoyama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
High temperature baking paste
- Patent number 5,198,154
- Issue date Mar 30, 1993
- Asahi Kasei Kogyo Kabushiki Kaisha
- Akinori Yokoyama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Conductive metal powders, process for preparation thereof and use t...
- Patent number 5,091,114
- Issue date Feb 25, 1992
- Asahi Kasei Kogyo Kabushiki Kaisha
- Hitoshi Nakajima
- B22 - CASTING POWDER METALLURGY