Hirokazu Shirakawa

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Toyota, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of treating dusts containing oxides
- Patent number 5,871,561
- Issue date Feb 16, 1999
- Toyota Jidosha Kabushiki Kaisha
- Yuji Okada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Casting method with improved resin core removing step and apparatus...
- Patent number 5,855,237
- Issue date Jan 5, 1999
- Toyota Jidosha Kabushiki Kaisha
- Yuji Okada
- B22 - CASTING POWDER METALLURGY