Masatomo Yonezawa

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Ceramic compositions having high dielectric constant
- Patent number 4,078,938
- Issue date Mar 14, 1978
- Nippon Electric Company, Ltd.
- Masatomo Yonezawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Lead zirconate-titanate powder of particle sizes between 0.02 and 0...
- Patent number 3,963,630
- Issue date Jun 15, 1976
- Nippon Electric Company Limited
- Masatomo Yonezawa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES