Yoji Matsuoka

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Mito, JP

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Patents Grantslast 30 patents

Information Patent Grant
Navigation system and method using map data
- Patent number 5,311,173
- Issue date May 10, 1994
- Hitachi, Ltd.
- Fuminobu Komura
- G01 - MEASURING TESTING
Information Patent Grant
Navigation system with capability of instructing running direction
- Patent number 4,679,147
- Issue date Jul 7, 1987
- Hitachi, Ltd.
- Fumio Tsujii
- G01 - MEASURING TESTING
Information Patent Grant
Navigation apparatus for automobile
- Patent number 4,635,202
- Issue date Jan 6, 1987
- Hitachi, Ltd.
- Fumio Tsujii
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS