4. Cryptography
  5. Video cryptography
  6. Video electric signal modification

Yutaka Otsu

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Communication system

Cryptography – Key management – Having particular key generator
Patent

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Data compression/encryption method and system

Cryptography – Video cryptography – Video electric signal modification
Patent

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Data decompression/decryption method and system

Cryptography – Communication system using cryptography – Having compression
Reexamination Certificate

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Method of and apparatus for compressing and decompressing data a

Coded data generation or conversion – Digital code to digital code converters – Coding by table look-up techniques
Patent

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Profile ID: LFUS-PAI-P-1222891

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