Toshikazu Arai

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Maebashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor memory device
- Patent number 5,140,550
- Issue date Aug 18, 1992
- Hitachi Ltd.
- Shuuichi Miyaoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory device
- Patent number 5,068,828
- Issue date Nov 26, 1991
- Hitachi, Ltd.
- Shuuichi Miyaoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor integrated circuit device
- Patent number 4,984,058
- Issue date Jan 8, 1991
- Hitachi Microcomputer Engineering, Ltd.
- Shuuichi Miyaoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor memory device with dual selection circuitry including...
- Patent number 4,961,164
- Issue date Oct 2, 1990
- Hitachi, Ltd.
- Shuuichi Miyaoka
- G11 - INFORMATION STORAGE
Information Patent Grant
Semiconductor memory unit
- Patent number 4,935,898
- Issue date Jun 19, 1990
- Hitachi, Ltd.
- Shuuichi Miyaoka
- G11 - INFORMATION STORAGE