Katsuyuki Takashima

3 Patents

• US123886212025

  Cryptographic System, Encryption Device, Decryption Device, and Key Generation Device

  MITSUBISHI ELECTRIC CORPORATION

  0 cites
• US119098732024

  Decryption Device, Cryptographic System, and Decryption Method

  Nippon Telegraph And Telephone Corporation

  0 cites
• US118889682024

  Signature Device, Verification Device, Signature Method, Verification Method, and Computer Readable Medium

  NIPPON TELEGRAPH AND TELEPHONE CORPORATION

  0 cites