Kikuo Takeshima

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Valve and manufacturing method thereof
- Patent number 6,959,916
- Issue date Nov 1, 2005
- Hitachi, Ltd.
- Mitsuo Chigasaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Valve having facing layers of co-free Ni-base Alloy
- Patent number 5,633,094
- Issue date May 27, 1997
- Hitachi, Ltd.
- Kikuo Takeshima
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Valve and manufacturing method thereof
- Publication number 20030132415
- Publication date Jul 17, 2003
- Hitachi, Ltd.
- Mitsuo Chigasaki
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...