Tetsuji Yogo

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Aichi, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing ceramic rotor
- Patent number 5,106,550
- Issue date Apr 21, 1992
- NGK Spark Plug Co., Ltd.
- Tetsuji Yogo
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES