Kohsaku Yamahira

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Database management system, and query method and query execution pr...
- Patent number 6,925,462
- Issue date Aug 2, 2005
- Hitachi, Ltd.
- Norifumi Nishikawa
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Database management system, and query method and query execution pr...
- Publication number 20020116373
- Publication date Aug 22, 2002
- Norifumi Nishikawa
- G06 - COMPUTING CALCULATING COUNTING