4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Video

Joji Karasawa

Inventor

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Head mount display device

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Patent

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Head set with visual display unit and stereophonic headphones

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Video
Patent

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Head-mounted display

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Patent

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Head-mounted image display apparatus

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Combined
Patent

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Head-mounted image display apparatus

Computer graphics processing and selective visual display system – Image superposition by optical means – Operator body-mounted heads-up display
Reexamination Certificate

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Profile ID: LFUS-PAI-P-816420

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