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BaySpec, Inc.

Also on record
Records under this name other than the patents BaySpec, Inc. 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 6 patents it holds.

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PatentTitleStatus Expires Confidence
US 8,514,394Spectrograph having multiple wavelength ranges for high resolution raman spectroscopy
Lapsed on the fee record
Ended Aug 20, 2025 · From the USPTO record
Lapsed on the fee recordEnded Aug 20, 2025From the USPTO record
US 7,142,784Microprocessor-Based Optical Signal Conditioner
Term ended
Term ended Sep 14, 2024 · High confidence
Term endedTerm ended Sep 14, 2024High confidence
US 6,900,932Optical gain flattening filter using VPG-based optical elements
Term ended
Term ended Jul 16, 2023 · From the USPTO record
Term endedTerm ended Jul 16, 2023From the USPTO record
US 6,888,980Methods and techniques for achieving flattened and broadened pass band spectrum for free-space grating-based dense wavelength division multiplexers/demultiplexers
Term ended
Term ended Jul 8, 2023 · From the USPTO record
Term endedTerm ended Jul 8, 2023From the USPTO record
US 6,747,791Optical amplifier with a spectral gain monitor using a volume phase grating
Term ended
Term ended Dec 3, 2022 · From the USPTO record
Term endedTerm ended Dec 3, 2022From the USPTO record
US 6,704,509Compact optical performance monitor
Term ended
Term ended Oct 15, 2022 · From the USPTO record
Term endedTerm ended Oct 15, 2022From the USPTO record
US 6,671,428Wavelength selective optical cross switch and optical add/drop multiplexer using volume phase grating and array of micro electro mechanical mirrors
Term ended
Term ended Jan 26, 2022 · From the USPTO record
Term endedTerm ended Jan 26, 2022From the USPTO record
US 6,706,154Method for fabricating integrated optical components using ultraviolet laser techniques
Term ended
Term ended Dec 31, 2021 · From the USPTO record
Term endedTerm ended Dec 31, 2021From the USPTO record
US 6,563,977Compact wavelength multiplexer-demultiplexer providing low polarization sensitivity
Term ended
Term ended Sep 1, 2020 · From the USPTO record
Term endedTerm ended Sep 1, 2020From the USPTO record
US 6,108,471Compact double-pass wavelength multiplexer-demultiplexer having an increased number of channels
Term ended
Term ended Jul 27, 2019 · From the USPTO record
Term endedTerm ended Jul 27, 2019From the USPTO record
10 of 13 patents shown.
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Pro members: see all 13 patents
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