Akimitsu Okura

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of making carbon/carbon composite
- Patent number 5,147,588
- Issue date Sep 15, 1992
- Akebono Brake Industry Co., Ltd.
- Akimitsu Okura
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for the preparation of a fiber-reinforced carbon composite
- Patent number 4,902,453
- Issue date Feb 20, 1990
- Across Co., Ltd.
- Akimitsu Okura
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Preformed yarn useful in forming composite articles and process of...
- Patent number 4,772,502
- Issue date Sep 20, 1988
- Across Co., Ltd.
- Akimitsu Okura
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES