The Patent Finder

Quantum Devices, LLC

Also on record
Records under this name other than the patents Quantum Devices, LLC 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 1 patents it holds.

Back to Quantum Devices, LLC

PatentTitleStatus Expires Confidence
US 9,379,232Magneto-Electric Voltage Controlled Spin Transistors
Formerly held
In force
 · High confidence
In forceHigh confidence
US 8,860,161Neutron Detection Using Gd-Loaded Oxide and Nitride Heterojunction Diodes
Lapsed on the fee record
Ended Oct 14, 2022 · High confidence
Lapsed on the fee recordEnded Oct 14, 2022High confidence
US 8,748,957Coherent spin field effect transistor
Lapsed on the fee record
Ended Jun 10, 2022 · From the USPTO record
Lapsed on the fee recordEnded Jun 10, 2022From the USPTO record
US 6,796,994Device for the treatment of mucositis
Term ended
Term ended Feb 18, 2022 · From the USPTO record
Term endedTerm ended Feb 18, 2022From the USPTO record
US 9,799,815Doped boron carbides and thermoelectric applications
Lapsed on the fee record
Ended Oct 24, 2021 · From the USPTO record
Lapsed on the fee recordEnded Oct 24, 2021From the USPTO record
US 6,661,867Tomographic scanning X-ray inspection system using transmitted and compton scattered radiation
Formerly held
Term ended
Term ended Oct 19, 2021 · From the USPTO record
Term endedTerm ended Oct 19, 2021From the USPTO record
US 9,748,340Graphene field effect transistor
Lapsed on the fee record
Ended Aug 29, 2021 · From the USPTO record
Lapsed on the fee recordEnded Aug 29, 2021From the USPTO record
US 9,620,654Coherent spin field effect transistor
Lapsed on the fee record
Ended Apr 11, 2021 · From the USPTO record
Lapsed on the fee recordEnded Apr 11, 2021From the USPTO record
US 9,614,149Coherent spin field effect transistor
Lapsed on the fee record
Ended Apr 4, 2021 · From the USPTO record
Lapsed on the fee recordEnded Apr 4, 2021From the USPTO record
US 9,324,960Semiconducting alloy polymers formed from orthocarborane and 1,4-diaminobenzene
Formerly held
Lapsed on the fee record
Ended Apr 26, 2020 · From the USPTO record
Lapsed on the fee recordEnded Apr 26, 2020From the USPTO record
10 of 23 patents shown.
Pro members see all 23.
Pro members: see all 23 patents
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited