Sadamu Saito

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Stationary induction apparatus
- Patent number 6,639,497
- Issue date Oct 28, 2003
- Hitachi, Ltd.
- Yoshio Hamadate
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Stationary induction apparatus
- Patent number 6,469,607
- Issue date Oct 22, 2002
- Hitachi, Ltd.
- Yoshio Hamadate
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flat transformer and power supply unit having flat transformer
- Patent number 5,502,430
- Issue date Mar 26, 1996
- Hitachi, Ltd.
- Tadashi Takahashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical d.c. voltage transformer
- Patent number 5,153,427
- Issue date Oct 6, 1992
- Hitachi, Ltd.
- Genji Takahashi
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Stationary induction apparatus
- Publication number 20020196117
- Publication date Dec 26, 2002
- Hitachi, Ltd.
- Yoshio Hamadate
- H01 - BASIC ELECTRIC ELEMENTS