4. Optical: systems and elements
  5. Diffraction
  6. From grating

Hiroki Hotaka

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Liquid-crystal composition and polymeric liquid crystal...

Compositions – Liquid crystal compositions – Containing nonsteryl liquid crystalline compound of...
Reexamination Certificate

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Optical head device including an optically anisotropic diffracti

Optical: systems and elements – Diffraction – From grating
Patent

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Optical head device including an optically anisotropic...

Optical: systems and elements – Diffraction – From grating
Reexamination Certificate

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Optical head, method of manufacturing the same, and...

Liquid crystal cells – elements and systems – Liquid crystal optical element – Liquid crystal diffraction element
Reexamination Certificate

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Wavelength-selective diffraction element and an optical head...

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
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Profile ID: LFUS-PAI-P-216620

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