Isao Arai

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Tochigi-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Management method of automatic vending machine and automatic vendin...
- Patent number 6,571,150
- Issue date May 27, 2003
- Fuji Electric Co., Ltd.
- Isao Arai
- G07 - CHECKING-DEVICES
Information Patent Grant
User authentication system
- Patent number 6,516,997
- Issue date Feb 11, 2003
- Fuji Electric Co., Ltd.
- Takashi Tanazawa
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
Management method of automatic vending machine and automatic vendin...
- Publication number 20010041949
- Publication date Nov 15, 2001
- Isao Arai
- G07 - CHECKING-DEVICES