Seiichiro Azuma

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Ohme, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor integrated circuit device having an improved vertical...
- Patent number 5,468,989
- Issue date Nov 21, 1995
- Hitachi, Ltd.
- Hirotaka Nishizawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a semiconductor integrated circuit device
- Patent number 5,342,480
- Issue date Aug 30, 1994
- Hitachi, Ltd.
- Hirotaka Nishizawa
- H01 - BASIC ELECTRIC ELEMENTS