28 patents currently held

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

The next term ends in Sep 2035. from the record

Free plan: 3 watched companies. Pro: unlimited.

Alerts on its grants, lapses and transfers.

Ending by 2030

Sep 2035

Next term end

Patent families

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

2026202720282029203020312032203320342035 2036203720382039 2040204120422043 20442045

notable patents 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.

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Notable

Methods and Apparatus for NAND Flash Memory US 11,056,190

Cited by 19 later US patents, top 10% of utility patents granted in 2021 in our data. Protection runs to 2039.

Ends Nov 2039 · High confidence Also notable

Method and Apparatus for Providing Three-Dimensional Integrated Nonvolatile Memory (NVM) and Dynamic Random Access Memory (DRAM) Memory Device US 10,008,265

The most cited patent in this portfolio, cited by 39 later US patents, top 10% of utility patents granted in 2018 in our data. Protection runs to 2035.

Ends Sep 2035 · High confidence Also notable

CMOS Anti-Fuse Cell US 9,793,001

The largest patent family in this portfolio, 5 related applications, renewed at every maintenance window due so far. Protection runs to 2036.

Ends Apr 2036 · High confidence

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.

1 fee due Feb 27, 2027
The maintenance fee for CMOS Anti-Fuse Cell (US 10,395,744) comes due Feb 27, 2027. Unpaid by Aug 27, 2027, it lapses early.
1 fee due Aug 4, 2027
The maintenance fee for 3D NAND Array with Divided String Architecture (US 10,553,293) comes due Aug 4, 2027. Unpaid by Feb 4, 2028, it lapses early.
1 fee due Oct 30, 2027
The maintenance fee for Methods and Apparatus for NAND Flash Memory (US 11,972,811) comes due Oct 30, 2027. Unpaid by May 1, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 16, 2026

What they patent

The 5 largest of its 11 families, grouped by real patent family and labeled by the earliest filing in each. No technology classification is inferred from titles.

Methods and Apparatus for NAND Flash Memory	8 in force	to Jan 2040
CMOS Anti-Fuse Cell	5 in force	to Apr 2036
Method and Apparatus for Writing Nonvolatile Memory using Multiple-Page Programming	5 in force	to Sep 2035
3D Cell and Array Structures	2 in force	to Jul 2044
Method and Apparatus for Providing Multi-Page Read and Write Using SRAM and Nonvolatile Memory Devices	2 in force	to Sep 2035

Patents held now

Soonest term end first.

Patent	Title	Status	Expires	Confidence
US 9,761,310	Method and Apparatus for Storing Information Using a Memory Able to Perform Both NVM and DRAM Functions In force Term ends Sep 4, 2035 · High confidence	In force	Term ends Sep 4, 2035	High confidence
US 10,008,265	Method and Apparatus for Providing Three-Dimensional Integrated Nonvolatile Memory (NVM) and Dynamic Random Access Memory (DRAM) Memory Device In force Term ends Sep 4, 2035 · High confidence	In force	Term ends Sep 4, 2035	High confidence
US 10,163,509	Method and Apparatus for Storing Information Using a Memory Able to Perform Both NVM and DRAM Functions In force Term ends Sep 4, 2035 · High confidence	In force	Term ends Sep 4, 2035	High confidence
US 10,242,743	Method and Apparatus for Writing Nonvolatile Memory using Multiple-Page Programming In force Term ends Sep 4, 2035 · High confidence	In force	Term ends Sep 4, 2035	High confidence
US 10,720,215	Methods and Apparatus for Writing Nonvolatile 3D NAND Flash Memory Using Multiple-Page Programming In force Term ends Sep 4, 2035 · High confidence	In force	Term ends Sep 4, 2035	High confidence
US 9,928,911	Method and Apparatus for Providing Multi-Page Read and Write Using SRAM and Nonvolatile Memory Devices In force Term ends Sep 15, 2035 · High confidence	In force	Term ends Sep 15, 2035	High confidence
US 10,199,104	Method and Apparatus for Providing Multi-Page Read and Write Using SRAM and Nonvolatile Memory Devices In force Term ends Sep 15, 2035 · High confidence	In force	Term ends Sep 15, 2035	High confidence
US 9,972,392	SONOS Byte-Erasable EEPROM In force Term ends Mar 21, 2036 · High confidence	In force	Term ends Mar 21, 2036	High confidence
US 9,704,577	Two Transistor Sonos Flash Memory In force Term ends Apr 4, 2036 · High confidence	In force	Term ends Apr 4, 2036	High confidence
US 9,793,001	CMOS Anti-Fuse Cell In force Term ends Apr 11, 2036 · High confidence	In force	Term ends Apr 11, 2036	High confidence

10 of 28 patents shown.

Pro members see all 28.

Pro members: see all 28 patents

Also on record, not counted in the 28: 15 applications pending · 4 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.

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

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Neo Semiconductor, Inc.