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Electronic ticket system

Cryptography – Electric signal modification – Having magnetic record carrier
Reexamination Certificate

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Electronic ticket vending system and method thereof

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent

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Electronic trading card system

Cryptography – Cryptanalysis
Patent

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Electronic trading cards

Cryptography – Cryptanalysis
Patent

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Electronic transaction system

Cryptography – Particular algorithmic function encoding – Public key
Patent

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Electronic transfer system and method

Cryptography – Key management – Having particular key generator
Patent

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Electronic travel pass

Cryptography – Key management – Having particular key generator
Patent

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Electronic watermark detecting/inserting device

Cryptography – Video cryptography – Video electric signal masking
Reexamination Certificate

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Electronic watermarking method and apparatus for compressed...

Cryptography – Communication system using cryptography – Having compression
Reexamination Certificate

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Electronic watermarking method, digital information...

Cryptography – Video cryptography – Copy protection or prevention
Reexamination Certificate

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Electronic-monetary system

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent

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Electronic-monetary system

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent

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Electronic-monetary system

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent

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Electronic-monetary system

Cryptography – Key management – Having particular key generator
Reexamination Certificate

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Electronic-monetary system

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent

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Electronic-monetary system

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent

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Eletronic assembly with integrated circuit devices including loc

Cryptography – Cryptanalysis
Patent

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Elliptic curve calculation apparatus capable of calculating...

Cryptography – Particular algorithmic function encoding
Reexamination Certificate

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Elliptic curve converting device, elliptic curve converting...

Cryptography – Particular algorithmic function encoding
Reexamination Certificate

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Elliptic curve cryptosystem apparatus, elliptic curve...

Cryptography – Communication system using cryptography
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