Seiji Numata

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing a superconducting magnet coil
- Patent number 5,538,942
- Issue date Jul 23, 1996
- Hitachi, Ltd.
- Toru Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Superconducting magnet coil and curable resin composition used therein
- Patent number 5,384,197
- Issue date Jan 24, 1995
- Hitachi, Ltd.
- Toru Koyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Superconductive coil system with protecting device
- Patent number 4,393,429
- Issue date Jul 12, 1983
- Hitachi, Ltd.
- Naoki Maki
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER