Magnetoresistive Random Access Memory (MRAM) Device

United Microelectronics Corp.

A patent family: one line of work, grouped by real continuity rather than by a technology label inferred from titles. 6 of these applications claim priority to application 16/255,754, filed Jan 23, 2019. A shared origin can cover several different claimed inventions, which is why members here may not share a title. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

Patent	Title	Holder	Status	Expires	Time remaining	Confidence
US 10,916,694	Magnetoresistive Random Access Memory (MRAM) Device United Microelectronics Corp. In force Term ends Apr 25, 2039 · High confidence	United Microelectronics Corp.	In force	Term ends Apr 25, 2039	Term ends Apr 25, 2039	High confidence
US 11,778,922	Semiconductor Device and Method for Fabricating the Same United Microelectronics Corp. In force Term ends Apr 28, 2039 · High confidence	United Microelectronics Corp.	In force	Term ends Apr 28, 2039	Term ends Apr 28, 2039	High confidence
US 11,706,993	Method of Manufacturing Magnetoresistive Random Access Memory (MRAM) Device United Microelectronics Corp. In force Term ends Jul 5, 2039 · Medium confidence	United Microelectronics Corp.	In force	Term ends Jul 5, 2039	Term ends Jul 5, 2039	Medium confidence
US 11,737,370	Magnetoresistive Random Access Memory (MRAM) Device United Microelectronics Corp. In force Term ends Aug 24, 2039 · Medium confidence	United Microelectronics Corp.	In force	Term ends Aug 24, 2039	Term ends Aug 24, 2039	Medium confidence
US 12,557,557	Method for Fabricating Magnetoresistive Random Access Memory (MRAM) Device United Microelectronics Corp. In force Term ends Oct 24, 2039 · Medium confidence	United Microelectronics Corp.	In force	Term ends Oct 24, 2039	Term ends Oct 24, 2039	Medium confidence
US 12,527,230	Magnetoresistive Random Access Memory Device United Microelectronics Corp. In force Term ends Jan 2, 2040 · Medium confidence	United Microelectronics Corp.	In force	Term ends Jan 2, 2040	Term ends Jan 2, 2040	Medium confidence
US 12,471,498	Semiconductor Device and Method for Fabricating the Same United Microelectronics Corp. In force Term ends Feb 14, 2040 · High confidence	United Microelectronics Corp.	In force	Term ends Feb 14, 2040	Term ends Feb 14, 2040	High confidence
Application 19/361,014	Method of Manufacturing Magnetoresistive Random Access Memory (MRAM) Device United Microelectronics Corp. Pending Not granted	United Microelectronics Corp.	Pending	Not granted	not computed
Application 19/422,370	Magnetoresistive Random Access Memory Device United Microelectronics Corp. Pending Not granted	United Microelectronics Corp.	Pending	Not granted	not computed
Application 19/454,342	Method for Fabricating Magnetoresistive Random Access Memory (MRAM) Device United Microelectronics Corp. Pending Not granted	United Microelectronics Corp.	Pending	Not granted	not computed

10 of 10 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.

7 of these are in force and held by United Microelectronics Corp..

Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.