Ririka Takahashi

6 Patents

• US123418792025

  Key Management Device, Quantum Cryptography Communication System, and Computer Program Product

  Kabushiki Kaisha Toshiba

  0 cites
• US123418812025

  Quantum Cryptography Communication System, Quantum Cryptography Communication Device, Key Management Device, and Computer Program Product

  Kabushiki Kaisha Toshiba

  0 cites
• US123167472025

  Key Management Device, Quantum Cryptography Communication System, and Program

  Kabushiki Kaisha Toshiba

  0 cites
• US122315532025

  Key Management Device, Quantum Cryptography Communication System, and Computer Program Product

  Kabushiki Kaisha Toshiba

  0 cites
• US121981672025

  Quantum Cryptographic Device, Quantum Cryptographic Communication Fee Calculation System, and Quantum Cryptographic Communication Fee Calculation Method

  Kabushiki Kaisha Toshiba

  0 cites
• US117649522023

  Application-key Management System, Application-key Management Device, Application-key Management Method, and Computer Program Product

  Kabushiki Kaisha Toshiba

  0 cites