IN

Isao Nakai

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Hadano, JP: #606 of 1,025 inventorsTop 60%
Overall (All Time): #3,852,027 of 4,157,543Top 95%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5119492 Information retrieval apparatus with separate retrieval conditions and updatable key registers Naohiko Shimizu 1992-06-02