4. Optical: systems and elements
  5. Lens
  6. With multipart element

Futoshi Osawa

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Diffusion sheet for use in transmission-type screen and...

Optical: systems and elements – Projection screen – Rear projection screen
Reexamination Certificate

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Ionizing radiation curable resin composition for fresnel...

Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Reexamination Certificate

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Lens sheet and producing method therefor

Optical: systems and elements – Single channel simultaneously to or from plural channels – By surface composed of lenticular elements
Reexamination Certificate

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Lenticular lens, light-diffusing sheet, and projection screen

Optical: systems and elements – Projection screen – Unitary sheet comprising plural refracting areas
Reexamination Certificate

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Method of producing lens sheet and projection screen

Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
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Profile ID: LFUS-PAI-P-438530

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