Shigeki Takeuchi

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Sapporo, JP

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Patents Grantslast 30 patents

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Quantum communication apparatus, quantum communication system and q...
- Patent number 8,270,841
- Issue date Sep 18, 2012
- Mitsubishi Electric Corporation
- Tsuyoshi Nishioka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Quantum cipher communication system
- Patent number 7,707,402
- Issue date Apr 27, 2010
- Japanese Science and Technology Corporation
- Shigeki Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Entangled photon pair generating apparatus
- Patent number 7,211,812
- Issue date May 1, 2007
- Japan Science and Technology Agency
- Shigeki Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Single-photon-emission apparatus
- Patent number 7,088,824
- Issue date Aug 8, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Shigeki Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Generator for producing photon number state
- Patent number 7,049,574
- Issue date May 23, 2006
- Mitsubishi Denki Kabushiki Kaisha
- Shigeki Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE