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NEC Viewtechnology, Ltd.

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Records under this name other than patents NEC Viewtechnology, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 7,821,600Projection Display Apparatus
Formerly held
In force
 · High confidence
In forceHigh confidence
US 7,633,641Image Transmission Apparatus Using Information on Rendered Range
Formerly held
In force
 · High confidence
In forceHigh confidence
US 7,661,825Projector Having Horizontal Displacement Sensors for Correcting Distortion
Formerly held
In force
 · High confidence
In forceHigh confidence
US 7,766,484Structure for Cooling a Lamp for a Projection Display Apparatus Having an Integrated Exhaust Duct
Formerly held
In force
 · High confidence
In forceHigh confidence
US 7,726,819Structure for Protecting a Rod Integrator Having a Light Shield Plate with an Opening
Formerly held
In force
 · High confidence
In forceHigh confidence
US 7,702,793Method and Apparatus for Setting Network Using DHCP Server or Client Function
Formerly held
In force
 · High confidence
In forceHigh confidence
US 7,812,888Video Signal Determination Device, a Video Display Device, a Video Signal Determination Method, and a Video Display Method for Determining the Type of a Video Signal That Contains a Synchronizing Signal
Formerly held
In force
 · High confidence
In forceHigh confidence
US 7,618,146Multiscreen Display System, Multiscreen Display Method, Luminance Correction Method, and Programs
Formerly held
Term ended
Term ended Nov 4, 2026 · High confidence
Term endedTerm ended Nov 4, 2026High confidence
US 7,452,084Projector with a Device for Measuring Angle of Inclination
Formerly held
Term ended
Term ended May 17, 2026 · High confidence
Term endedTerm ended May 17, 2026High confidence
US 8,692,939Method and Apparatus for Improving Image Quality
Lapsed on the fee record
Ended Apr 8, 2026 · High confidence
Lapsed on the fee recordEnded Apr 8, 2026High confidence
10 of 178 patents shown.
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