Nobuyuki Chikada

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Tama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Map information system capable of displaying layout information
- Patent number 5,448,696
- Issue date Sep 5, 1995
- Hitachi, Ltd.
- Shigeru Shimada
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Database system and matching method between databases
- Patent number 5,210,868
- Issue date May 11, 1993
- Hitachi Ltd.
- Shigeru Shimada
- G06 - COMPUTING CALCULATING COUNTING