4. Illumination
  5. With polarizer

Tomiyoshi Ushiyama

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Circuit for driving light source, projector, method for...

Electric lamp and discharge devices: systems – Current and/or voltage regulation
Reexamination Certificate

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Dichroic prism, prism unit, and projection display apparatus

Optical: systems and elements – Single channel simultaneously to or from plural channels
Reissue Patent

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Dichroic prism, prism unit, and projection display apparatus

Optical: systems and elements – Single channel simultaneously to or from plural channels
Patent

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Light-source lamp unit, light-source device and...

Communications: electrical – Visual indication – With lamp enclosed in transparent housing
Reexamination Certificate

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Light-source lamp unit, light-source device and...

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1398500

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