Yoshitomo Goto

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric contact member and production method thereof
- Patent number 6,765,167
- Issue date Jul 20, 2004
- Hitachi, Ltd.
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Electric contact member and production method thereof
- Publication number 20030010752
- Publication date Jan 16, 2003
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrode of a vacuum valve, a producing method thereof, a vacuum v...
- Publication number 20020144977
- Publication date Oct 10, 2002
- Shigeru Kikuchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Vacuum switch and vacuum switchgear using the same
- Publication number 20020043515
- Publication date Apr 18, 2002
- Satoru Kajiwara
- H01 - BASIC ELECTRIC ELEMENTS