Kazuyoshi Negishi

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
System and method for implementing hash-based load-balancing query...
- Patent number 6,567,806
- Issue date May 20, 2003
- Hitachi, Ltd.
- Masashi Tsuchida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Database management apparatus and query operation therefor, includi...
- Patent number 6,556,988
- Issue date Apr 29, 2003
- Hitachi, Ltd.
- Masashi Tsuchida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Database management system and query operation therefor, including...
- Patent number 6,256,621
- Issue date Jul 3, 2001
- Hitachi, Ltd.
- Masashi Tsuchida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for implementing parallel operations in a databas...
- Patent number 6,026,394
- Issue date Feb 15, 2000
- Hitachi, Ltd.
- Masashi Tsuchida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Database management system and method for query process for the same
- Patent number 5,806,059
- Issue date Sep 8, 1998
- Hitachi, Ltd.
- Masashi Tsuchida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Multiple processor system having a correspondence table for transfe...
- Patent number 5,062,046
- Issue date Oct 29, 1991
- Hitachi, Ltd.
- Takashi Sumiyoshi
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Database management system and method for query process for the same
- Publication number 20060041599
- Publication date Feb 23, 2006
- Masahi Tsuchida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Database management system and method for query process for the same
- Publication number 20050262045
- Publication date Nov 24, 2005
- Hitachi, Ltd.
- Masashi Tsuchida
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Database management system and method for query process for the same
- Publication number 20010014888
- Publication date Aug 16, 2001
- Hitachi, Ltd.
- Masashi Tsuchida
- G06 - COMPUTING CALCULATING COUNTING