Eisaku Nishiyama

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Ebina, JP

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Patents Grantslast 30 patents

Information Patent Grant
Distributed database management system including logical database c...
- Patent number 6,457,007
- Issue date Sep 24, 2002
- Hitachi, Ltd.
- Satoshi Kikuchi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Database access system and method of controlling access management...
- Patent number 5,721,904
- Issue date Feb 24, 1998
- Hitachi, Ltd.
- Hiromichi Ito
- G06 - COMPUTING CALCULATING COUNTING