Noriyoshi Hirao

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Brushless motor having permanent magnets
- Patent number 5,821,710
- Issue date Oct 13, 1998
- Hitachi Metals, Ltd.
- Masahiro Masuzawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Nano-crystalline soft magnetic alloy ribbon with insulation coating...
- Patent number 5,486,404
- Issue date Jan 23, 1996
- Hitachi Metals, Ltd.
- Shin Nakajima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Surge current-suppressing circuit and magnetic device therein
- Patent number 5,443,664
- Issue date Aug 22, 1995
- Hitachi Metals, Ltd.
- Shin Nakajima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Method for making wound magnetic core
- Patent number 5,083,366
- Issue date Jan 28, 1992
- Hitachi Metals, Ltd.
- Shunsuke Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Wound magnetic core
- Patent number 5,072,205
- Issue date Dec 10, 1991
- Hitachi Metals, Ltd.
- Shunsuke Arakawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sputtering target and process for preparing the same
- Patent number 4,938,798
- Issue date Jul 3, 1990
- Hitachi Metals, Ltd.
- Yoshitaka Chiba
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...