Junko Yamagishi

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Kodaira, JP

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Patents Grantslast 30 patents

Information Patent Grant
Application execution control method and system for servicing subsc...
- Patent number 5,519,874
- Issue date May 21, 1996
- Hitachi, Ltd.
- Junko Yamagishi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Switching method and apparatus having subscriber state management f...
- Patent number 5,197,096
- Issue date Mar 23, 1993
- Hitachi, Ltd.
- Tetsuo Sakuma
- H04 - ELECTRIC COMMUNICATION TECHNIQUE