Device Co., Ltd.

19 patents currently held · Updated Nov 14, 2026

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

Previously recorded as Deviceeng Co., Ltd. (to 2025)

Ending by 2030

Dec 2033

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.

Patent	Title	Status	Expires	Confidence
US 8,968,487	Wafer Container Cleaning Device In force Term ends Dec 12, 2033 · High confidence	In force	Term ends Dec 12, 2033	High confidence
US 10,267,087	Intake-exhaust unit and double skin system using same In force Term ends Jan 30, 2037 · From the USPTO record	In force	Term ends Jan 30, 2037	From the USPTO record
US 12,170,222	Substrate Support Assembly for Substrate Treatment Apparatus In force Term ends Oct 19, 2042 · High confidence	In force	Term ends Oct 19, 2042	High confidence
US 12,396,103	Device for etching the periphery edge of a substrate and method for controlling etching thereof In force Term ends Nov 24, 2042 · From the USPTO record	In force	Term ends Nov 24, 2042	From the USPTO record
US 12,059,713	Substrate treating apparatus comprising ultrasonic wave cleaning unit In force Term ends Nov 27, 2042 · From the USPTO record	In force	Term ends Nov 27, 2042	From the USPTO record
US 12,237,205	Substrate Support Assembly for Substrate Treatment Apparatus In force Term ends Jan 11, 2043 · High confidence	In force	Term ends Jan 11, 2043	High confidence
US 12,146,216	Substrate Treatment Apparatus Having Exhaust Structure In force Term ends Jan 12, 2043 · High confidence	In force	Term ends Jan 12, 2043	High confidence
US 12,115,562	Substrate Treatment Apparatus Having Back Nozzle Assembly In force Term ends Jan 26, 2043 · High confidence	In force	Term ends Jan 26, 2043	High confidence
US 12,148,634	Device for etching the periphery edge of a substrate comprising substrate sensing unit In force Term ends Feb 25, 2043 · From the USPTO record	In force	Term ends Feb 25, 2043	From the USPTO record
US 12,237,206	Device for etching the periphery edge of a substrate In force Term ends May 4, 2043 · From the USPTO record	In force	Term ends May 4, 2043	From the USPTO record

10 of 19 patents shown.

Pro members see all 19.

Pro members: see all 19 patents

Also on record, not counted in the 19: 1 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

Every application published under this name has become a patent.