Masaaki Nagai

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Ube, JP

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Patents Grantslast 30 patents

Information Patent Grant
Molded calcium silicate articles and method for producing same
- Patent number 5,242,649
- Issue date Sep 7, 1993
- Ube Industries, Ltd.
- Akio Yamamoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Statical demolition-facilitating agent
- Patent number 4,952,243
- Issue date Aug 28, 1990
- Ube Industries, Ltd.
- Waichi Kobayashi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES