Silicon Storage Technology, Inc.
129 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 15 name spellings.
47
Ending by 2030
Dec 2026
Next term end
When these terms end
Held patents by the year their term ends
20262027202820292030203120322033203420352036203720382039204020412042204320442045
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.
- 6 fees due Dec 4 to 20, 2026 · next Dec 4
- 3 fees due Jan 2 to 28, 2027 · next Jan 2
- 8 fees due Feb 6 to 22, 2027 · next Feb 6
- 5 fees due Mar 1 to 26, 2027 · next Mar 1
- 10 fees due Apr 1 to 29, 2027 · next Apr 1
- 3 fees due May 5 to 28, 2027 · next May 5
- 6 fees due Jun 19 to 30, 2027 · next Jun 19
- 4 fees due Jul 14 to 28, 2027 · next Jul 14
- 4 fees due Aug 6 to 27, 2027 · next Aug 6
- 17 fees due Sep 1 to 30, 2027 · next Sep 1
- 4 fees due Oct 5 to 30, 2027 · next Oct 5
- 4 fees due Nov 3 to 12, 2027 · next Nov 3
Recent changes
- 9 of the patents on this record were granted since Aug 17, 2026
- 6 terms have ended since Aug 17, 2026
Patents held now
Soonest term end first. Each date below is computed on that patent's own page, which shows the rule, the adjustments and the fee history it was derived from.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,808,839 | Split Gate NAND Flash Memory Structure and Array, Method of Programming, Erasing and Reading Thereof, and Method of Manufacturing In force · High confidence | In force | High confidence | |
| US 7,646,641 | NAND Flash Memory with Nitride Charge Storage Gates and Fabrication Process In force · High confidence | In force | High confidence | |
| US 7,852,679 | Integrated Flash Memory Systems and Methods for Load Compensation In force · High confidence | In force | High confidence | |
| US 8,154,928 | Integrated Flash Memory Systems and Methods for Load Compensation In force · High confidence | In force | High confidence | |
| US 8,339,187 | Charge Pump Systems and Methods In force · High confidence | In force | High confidence | |
| US 8,836,411 | Charge Pump Systems and Methods In force · High confidence | In force | High confidence | |
| US 7,598,561 | Nor Flash Memory In force · High confidence | In force | High confidence | |
| US 7,990,773 | Sub Volt Flash Memory System In force · High confidence | In force | High confidence | |
| US 8,300,494 | Sub Volt Flash Memory System In force · High confidence | In force | High confidence | |
| US 7,868,375 | Split Gate Non-Volatile Flash Memory Cell Having a Floating Gate, Control Gate, Select Gate and an Erase Gate with an Overhang Over the Floating Gate, Array and Method of Manufacturing In force · Medium confidence | In force | Medium confidence |
Also on record, not counted in the 381: 129 patents in force now held by others · 43 lapsed for an unpaid fee · 304 ended at full term · 1 surrendered on reissue. List them
Sources and methods
Compiled from the USPTO record, grants, published applications and recorded assignments, not yet reviewed by hand.
How this record was built
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.
Published applications
US patent applications published under this name that have not become patents. An application is published about eighteen months after its earliest filing; one that has not been published is in no public record.
34 pending · 34 abandoned · 3 no status recorded