Norio Hayashi

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Yokkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Casting method and apparatus using a resin core
- Patent number 5,957,191
- Issue date Sep 28, 1999
- Toyota Jidosha Kabushiki Kaisha
- Masamichi Okada
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Casting method with improved resin core removal step
- Patent number 5,850,868
- Issue date Dec 22, 1998
- Toyota Jidosha Kabushiki Kaisha
- Yuji Okada
- B22 - CASTING POWDER METALLURGY