Tomohiko Hara

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Refractories for use in firing ceramics
- Patent number 5,244,727
- Issue date Sep 14, 1993
- Nichias Corporation
- Kenichi Shibata
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Lightweight refractory and process for producing the same
- Patent number 4,849,382
- Issue date Jul 18, 1989
- Nichias Corporation
- Kenichi Shibata
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES