Kouichi Kusuyama

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Mitaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of making a read only memory device
- Patent number 4,904,615
- Issue date Feb 27, 1990
- Hitachi, Ltd.
- Kousuke Okuyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor device and manufacturing method thereof
- Patent number 4,818,716
- Issue date Apr 4, 1989
- Hitachi Ltd.
- Kousuke Okuyama
- H01 - BASIC ELECTRIC ELEMENTS