4. Optics: image projectors
  5. Polarizer or interference filter

Hidemasa Yamakawa

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Illumination optical system and projector using the same

Optics: image projectors – Polarizer or interference filter
Reexamination Certificate

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Light-modulating projector

Optics: image projectors – Composite projected image – Multicolor picture
Reexamination Certificate

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Lighting unit and projector including the same

Optics: image projectors – Lamp control – Lamp position adjustable
Reexamination Certificate

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Projector

Optics: image projectors – Polarizer or interference filter
Reexamination Certificate

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Projector

Optics: image projectors – Composite projected image – Plural projection paths with single light source
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2507094

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