304 patents currently held
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
The next term ends in Feb 2039. from the record
Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
0
Ending by 2030
Feb 2039
Next term end
63
Patent families
When these terms end
Held patents by the year their term ends
notable patents
fee due within 90 days
all others
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
Notable: the highest-ranked patents in this portfolio by citations and family size. Fee due within 90 days: a maintenance fee is due within 90 days of when this page was computed and not yet paid.
Notable patents
Ranked by citations and family size, against patents of the same kind granted the same year. How we rank
Notable
Ends Apr 2040 · High confidence
Also notable
Ends Nov 2041 · High confidence
Also notable
Ends Jun 2041 · High confidence
Doped Polar Layers and Semiconductor Device Incorporating Same
US 11,164,976
Cited by 93 later US patents, top 1% of utility patents granted in 2021 in our data. Protection runs to 2040.
Pulsing Scheme for a Ferroelectric Memory Bit-Cell to Minimize Read or Write Disturb Effect and Refresh Logic
US 11,482,270
Cited by 65 later US patents, top 1% of utility patents granted in 2022 in our data. Protection runs to 2041.
Stacked Ferroelectric Non-Planar Capacitors in a Memory Bit-Cell
US 11,423,967
Cited by 29 later US patents, top 5% of utility patents granted in 2022 in our data. Protection runs to 2041.
Fee deadlines
Maintenance fees fall due 3.5, 7.5 and 11.5 years after grant. A missed fee ends a patent at the end of the six month grace period that follows, not on the due date.
- 2 fees due Dec 6 to 27, 2026 · next Dec 6
- 8 fees due Jan 4 to 25, 2027 · next Jan 4
- 13 fees due Feb 1 to 28, 2027 · next Feb 1
- 14 fees due Mar 5 to 26, 2027 · next Mar 5
- 9 fees due Apr 3 to 24, 2027 · next Apr 3
- 9 fees due May 7 to 28, 2027 · next May 7
- 14 fees due Jun 5 to 26, 2027 · next Jun 5
- 14 fees due Jul 2 to 30, 2027 · next Jul 2
- 9 fees due Aug 6 to 27, 2027 · next Aug 6
- 2 fees due Sep 5 to 26, 2027 · next Sep 5
- 6 fees due Oct 2 to 23, 2027 · next Oct 2
- 2 fees due Nov 7, 2027
Recent changes
- 9 of the patents on this record were granted since Aug 16, 2026
What they patent
The 5 largest of its 63 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.
| Doped Polar Layers and Semiconductor Device Incorporating Same | 16 in force | to Apr 2040 |
| Pulsing Scheme for a Ferroelectric Memory Bit-Cell to Minimize Read or Write Disturb Effect and Refresh Logic | 14 in force | to Jan 2042 |
| High-Density Low Voltage Ferroelectric Memory Bit-Cell | 13 in force | to Jun 2041 |
| Memory Bit-Cell with Stacked and Folded Planar Capacitors | 11 in force | to Jul 2042 |
| Common Mode Compensation for Non-Linear Polar Material Based 1T1C Memory Bit-Cell | 11 in force | to Nov 2041 |
Patents held now
Soonest term end first.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 10,847,201 | High-Density Low Voltage Non-Volatile Differential Memory Bit-Cell with Shared Plate-Line In force · High confidence | In force | High confidence | |
| US 10,998,025 | High-Density Low Voltage Non-Volatile Differential Memory Bit-Cell with Shared Plate-Line In force · High confidence | In force | High confidence | |
| US 11,476,260 | High-Density Low Voltage Non-Volatile Memory with Unidirectional Plate-Line and Bit-Line and Pillar Capacitor In force · High confidence | In force | High confidence | |
| US 11,476,261 | High-Density Low Voltage Non-Volatile Memory with Unidirectional Plate-Line and Bit-Line and Pillar Capacitor In force · Low confidence | In force | Low confidence | |
| US 11,482,529 | High-Density Low Voltage Non-Volatile Memory with Unidirectional Plate-Line and Bit-Line and Pillar Capacitor In force · Low confidence | In force | Low confidence | |
| US 11,139,270 | Artificial Intelligence Processor with Three-Dimensional Stacked Memory In force · High confidence | In force | High confidence | |
| US 11,171,115 | Artificial Intelligence Processor with Three-Dimensional Stacked Memory In force · High confidence | In force | High confidence | |
| US 11,521,953 | 3D Stacked Ferroelectric Compute and Memory In force · High confidence | In force | High confidence | |
| US 11,637,090 | Method of Forming a 3D Stacked Compute and Memory In force · High confidence | In force | High confidence | |
| US 11,764,190 | 3D Stacked Compute and Memory with Copper Pillars In force · Medium confidence | In force | Medium confidence |
Also on record, not counted in the 304: 11 applications pending · 3 applications abandoned. List them
Sources and methods
Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
Fee due within 90 days marks a patent with a maintenance fee due within 90 days of the date this page was computed and not yet recorded paid, so it can end earlier than the bar shows. A fee left unpaid ends the patent at the close of the six month grace period that follows its due date, not on the due date itself. It is not a prediction that the fee will be missed.
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.