Youdai Watanabe

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Quantum key distribution method and communication device
- Patent number 7,609,839
- Issue date Oct 27, 2009
- Mitsubishi Electric Corporation
- Youdai Watanabe
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Quantum key distribution method and communication device
- Publication number 20060059403
- Publication date Mar 16, 2006
- Youdai Watanabe
- H04 - ELECTRIC COMMUNICATION TECHNIQUE