Asahiko Ishiyama

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Tokyo, JP

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Patents Applicationslast 30 patents

Information Patent Application
Cast iron material, seal material and the production method
- Publication number 20080175741
- Publication date Jul 24, 2008
- EAGLE INDUSTRY CO., LTD.
- Ken Okada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Cast iron material, seal material and the production method
- Publication number 20050183794
- Publication date Aug 25, 2005
- EAGLE INDUSTRY CO., LTD.
- Ken Okada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...