4. Computer graphics processing and selective visual display system
  5. Plural physical display element control system
  6. Optical means interposed in viewing path

Hirokazu Fukatsu

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Display push switch for use with display device having an image

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Image forming device and touch-less display switch

Computer graphics processing and selective visual display system – Plural physical display element control system – Optical means interposed in viewing path
Patent

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Image forming device and touchless display switch

Computer graphics processing and selective visual display system – Plural physical display element control system – Optical means interposed in viewing path
Reexamination Certificate

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Method and apparatus for personal identification

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1425959

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