Kazutaka Yoshizawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
.alpha.-tricalcium phosphate ceramic and production method thereof
- Patent number 5,679,294
- Issue date Oct 21, 1997
- Kabushiki Kaisya Advance
- Yoshikazu Umezu
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES