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Quantum Nil Corporation

Also on record
Records under this name other than the patents Quantum Nil Corporation holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 7 patents it holds.

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PatentTitleStatus Expires Confidence
US 7,915,622Textured light emitting diodes
Term ended
Term ended Apr 1, 2026 · From the USPTO record
Term endedTerm ended Apr 1, 2026From the USPTO record
US 7,906,411Deposition technique for producing high quality compound semiconductor materials
Term ended
Term ended Aug 21, 2025 · From the USPTO record
Term endedTerm ended Aug 21, 2025From the USPTO record
US 7,509,012Light emitting diode structures
Term ended
Term ended Sep 22, 2024 · From the USPTO record
Term endedTerm ended Sep 22, 2024From the USPTO record
US 7,672,548Light emitting diode structures
Term ended
Term ended Sep 22, 2024 · From the USPTO record
Term endedTerm ended Sep 22, 2024From the USPTO record
US 7,248,770Photonic band structure devices
Term ended
Term ended Jun 3, 2024 · From the USPTO record
Term endedTerm ended Jun 3, 2024From the USPTO record
US 7,367,691Omnidirectional One-Dimensional Photonic Crystal and Light Emitting Device Made from the Same
Formerly held
Term ended
Term ended Nov 4, 2023 · High confidence
Term endedTerm ended Nov 4, 2023High confidence
US 6,856,737Nonlinear optical device
Term ended
Term ended Aug 27, 2023 · From the USPTO record
Term endedTerm ended Aug 27, 2023From the USPTO record
US 7,116,878Optical waveguide structure
Term ended
Term ended Aug 17, 2023 · From the USPTO record
Term endedTerm ended Aug 17, 2023From the USPTO record
US 7,016,586Optical waveguide structure
Term ended
Term ended Jul 25, 2023 · From the USPTO record
Term endedTerm ended Jul 25, 2023From the USPTO record
US 6,775,448Optical device
Term ended
Term ended Jan 18, 2023 · From the USPTO record
Term endedTerm ended Jan 18, 2023From the USPTO record
10 of 13 patents shown.
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Pro members: see all 13 patents
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