Inventor · disambiguated record
Eisaku Nishiyama
Also filed as: NISHIYAMA EISAKU
2 granted patents·308 citations·filing 1994–1994
72Inventor score
Technology areasG06F
Files withHITACHI LTD2
Top patents by PatentIndex Score
2 records- 0192US6457007B1Distributed database management system including logical database constituted by a group of physical databasesHITACHI LTD·Filed 1994·Granted Sep 24, 2002·205 cites·42 claims
- 0281US5721904ADatabase access system and method of controlling access management to a database access system for a plurality of heterogeneous database servers using SQLHITACHI LTD·Filed 1994·Granted Feb 24, 1998·103 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →