Ayumu Koide

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mobile station using positional information
- Patent number 7,116,992
- Issue date Oct 3, 2006
- Hitachi, Ltd.
- Katsuhiko Tsunehara
- G08 - SIGNALLING
Information Patent Grant
Wireless terminal positioning method and apparatus
- Patent number 6,694,142
- Issue date Feb 17, 2004
- Hitachi, Ltd.
- Mikio Kuwahara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio paging transmitter which adjusts its transmission time based...
- Patent number 5,802,453
- Issue date Sep 1, 1998
- Hitachi, Ltd.
- Yoshinori Kuroki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE