Solid Year Co., Ltd.

11 patents currently held · Updated Nov 15, 2026

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

Ending by 2030

Nov 2029

Next term end

When these terms end

5 yrs10 yrs20 yrs

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.

1 fee due Jun 22, 2027
The maintenance fee for Circuit switch for keyboard (US 9,219,478) comes due Jun 22, 2027. Unpaid by Dec 22, 2027, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 of the patents on this record were granted 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 8,274,408	USB keyboard arrangement having N-keys rollover and the method thereof In force Term ends Nov 7, 2029 · From the USPTO record	In force	Term ends Nov 7, 2029	From the USPTO record
US 8,335,539	Controlling device for shifting images in a display of a smartphone In force Term ends Jul 27, 2031 · From the USPTO record	In force	Term ends Jul 27, 2031	From the USPTO record
US 9,467,546	Projection keyboard for portable communication device In force Term ends Dec 26, 2033 · From the USPTO record	In force	Term ends Dec 26, 2033	From the USPTO record
US 9,219,478	Circuit switch for keyboard In force Term ends Jan 11, 2034 · From the USPTO record	In force	Term ends Jan 11, 2034	From the USPTO record
US 11,551,886	Enhanced push-button In force Term ends Oct 7, 2039 · From the USPTO record	In force	Term ends Oct 7, 2039	From the USPTO record
US 11,322,315	Control device capable of providing rotational damping through elastic force In force Term ends Sep 28, 2040 · From the USPTO record	In force	Term ends Sep 28, 2040	From the USPTO record
US 11,387,055	Control device capable of providing rotational damping through magnetic force In force Term ends Jan 20, 2041 · From the USPTO record	In force	Term ends Jan 20, 2041	From the USPTO record
US 12,605,164	Tactical Hemostatic Bandage In force Term ends May 30, 2044 · High confidence	In force	Term ends May 30, 2044	High confidence
US 12,658,384	Mouse with Buffer Structure In force Term ends Oct 29, 2044 · High confidence	In force	Term ends Oct 29, 2044	High confidence
US 12,793,912	Keyboard with Buffer and Noise Reduction Structure In force Term ends Apr 30, 2045 · High confidence	In force	Term ends Apr 30, 2045	High confidence

10 of 11 patents shown.

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Pro members: see all 11 patents

Also on record, not counted in the 11: 7 lapsed for an unpaid fee · 4 ended at full term. 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.

1 pending · 10 no status recorded

10 of 11 applications shown. The first 10 are on the company page.

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