Eiji Ooi

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Kawagoe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor device and tape carrier
- Patent number 4,977,441
- Issue date Dec 11, 1990
- Hitachi, Ltd.
- Hideya Ohtani
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and process for producing the same, and tape c...
- Patent number 4,792,532
- Issue date Dec 20, 1988
- Hitachi, Ltd.
- Hideya Ohtani
- H01 - BASIC ELECTRIC ELEMENTS