Akira Ishiyama

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Hadano, JP

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Patents Grantslast 30 patents

Information Patent Grant
Control circuit of dynamic random access memory
- Patent number RE35978
- Issue date Dec 1, 1998
- Hitachi, Ltd.
- Hidetada Fukunaka
- 365 - Static information storage and retrieval
Information Patent Grant
Data processing system having subsystems connected by busses
- Patent number 5,584,004
- Issue date Dec 10, 1996
- Hitachi, Ltd.
- Takeshi Aimoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Control circuit of dynamic random access memory
- Patent number 5,321,666
- Issue date Jun 14, 1994
- Hitachi, Ltd.
- Hidetada Fukunaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for transferring addresses and information in...
- Patent number 5,008,817
- Issue date Apr 16, 1991
- Hitachi, Ltd.
- Masabumi Shibata
- G06 - COMPUTING CALCULATING COUNTING