Naohito Wajima

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-transmissive ceramics and method of manufacturing same
- Patent number 5,780,377
- Issue date Jul 14, 1998
- Toto Ltd.
- Naohito Wajima
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Ceramic filter and process for making it
- Patent number 5,110,470
- Issue date May 5, 1992
- Toto Ltd.
- Kiyoshi Yokosawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES