Fumihiko Ishida

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Hachioji, JP

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Patents Grantslast 30 patents

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Garnet film for ion-implanted magnetic bubble device
- Patent number 4,532,180
- Issue date Jul 30, 1985
- Hitachi, Ltd.
- Norio Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Garnet film for magnetic bubble device
- Patent number 4,338,372
- Issue date Jul 6, 1982
- Hitachi, Ltd.
- Norio Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Film for a magnetic bubble domain device
- Patent number 4,267,230
- Issue date May 12, 1981
- Hitachi, Ltd.
- Norio Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Garnet single crystal film for magnetic bubble domain devices
- Patent number 4,183,999
- Issue date Jan 15, 1980
- Hitachi, Ltd.
- Norio Ota
- H01 - BASIC ELECTRIC ELEMENTS