Mitsuru Iwata

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing a ceramic product using sludge ashes
- Patent number 5,008,053
- Issue date Apr 16, 1991
- Fujimi Ceramic Co., Ltd.
- Ryusuke Hashimoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing ceramic products using the sludge obtained by...
- Patent number 4,874,153
- Issue date Oct 17, 1989
- Fujimi Tile Co., Ltd.
- Ryusuke Hashimoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES