4. Optics: measuring and testing
  5. By light interference
  6. Having light beams of different frequencies

Kenji Ohkuma

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Encryption apparatus and method, and decryption apparatus...

Cryptography – Communication system using cryptography – Time segment interchange
Reexamination Certificate

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Encryption apparatus and method, and decryption apparatus...

Cryptography – Communication system using cryptography – Time segment interchange
Reexamination Certificate

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Encryption apparatus and method, and decryption apparatus...

Cryptography – Communication system using cryptography – Data stream/substitution enciphering
Reexamination Certificate

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Encryption apparatus, decryption apparatus, expanded key...

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
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Microscope using quantum-mechanically entangled photons

Optics: measuring and testing – By light interference – Having light beams of different frequencies
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Profile ID: LFUS-PAI-P-2416454

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