Naoko Yamazaki

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Koganei, JP

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Patents Grantslast 30 patents

Information Patent Grant
IC card, terminal device and service management server
- Patent number 6,719,634
- Issue date Apr 13, 2004
- Hitachi, Ltd.
- Yusuke Mishina
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
IC card, terminal device and service management server
- Patent number 6,575,835
- Issue date Jun 10, 2003
- Hitachi, Ltd.
- Yusuke Mishina
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Information storage and retrieval system and display method therefor
- Patent number 5,696,916
- Issue date Dec 9, 1997
- Hitachi, Ltd.
- Naoko Yamazaki
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
IC card, terminal device and service management server
- Publication number 20020155892
- Publication date Oct 24, 2002
- Yusuke Mishina
- G06 - COMPUTING CALCULATING COUNTING