SFI Electronics Technology Inc.

9 patents currently held · Updated Nov 14, 2026

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

Ending by 2030

May 2028

Next term end

When these terms end

5 yrs10 yrs20 yrs

Held patents by the year their term ends

20262027202820292030203120322033203420352036203720382039204020412042204320442045

Fee deadlines

No maintenance fee falls due on this company's record before Nov 14, 2027.

Recent changes

Nothing was recorded against this company's patents in the last 90 days.

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.

Showing 1 to 9 of 9

Patent	Title	Status	Expires	Confidence
US 8,313,672	Process for producing surge absorbing material with dual functions In force Term ends May 11, 2028 · From the USPTO record	In force	Term ends May 11, 2028	From the USPTO record
US 8,263,432	Material composition having core-shell microstructure used for varistor In force Term ends Jun 27, 2028 · From the USPTO record	In force	Term ends Jun 27, 2028	From the USPTO record
US 8,488,291	Zinc-oxide surge arrester for high-temperature operation In force Term ends Jul 27, 2031 · From the USPTO record	In force	Term ends Jul 27, 2031	From the USPTO record
US 9,165,872	Chip Scale Diode Package No Contaning Outer Lead Pins and Process for Porducing the Same In force Term ends Oct 24, 2034 · High confidence	In force	Term ends Oct 24, 2034	High confidence
US 9,691,735	Miniaturized SMD Diode Package and Process for Producing the Same In force Ends no later than Dec 30, 2034 · Medium confidence	In force	Ends no later than Dec 30, 2034	Medium confidence
US 9,691,736	Miniaturized SMD Diode Package and Process for Producing the Same In force Ends no later than Dec 30, 2034 · Medium confidence	In force	Ends no later than Dec 30, 2034	Medium confidence
US 9,443,825	Multi-function miniaturized surface-mount device and process for producing the same In force Term ends Feb 9, 2036 · From the USPTO record	In force	Term ends Feb 9, 2036	From the USPTO record
US 9,947,444	Multilayer varistor and process for producing the same In force Term ends Sep 20, 2037 · From the USPTO record	In force	Term ends Sep 20, 2037	From the USPTO record
US 11,404,209	Electrical device package structure and manufacturing method thereof In force Term ends Oct 19, 2040 · From the USPTO record	In force	Term ends Oct 19, 2040	From the USPTO record

Also on record, not counted in the 9: 3 lapsed for an unpaid fee. 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.

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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.

6 no status recorded

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