Yoshihiro Noguchi

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Fukaya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cylindrical permanent magnet and method of manufacturing
- Patent number RE34229
- Issue date Apr 20, 1993
- Hitachi Metals, Ltd.
- Motoharu Shimizu
- 335 - Electricity: magnetically operated switches, magnets, and electromagnets
Information Patent Grant
Cylindrical permanent magnet and method of manufacturing
- Patent number 4,547,758
- Issue date Oct 15, 1985
- Hitachi Metals, Ltd.
- Motoharu Shimizu
- H01 - BASIC ELECTRIC ELEMENTS