Giken Ltd.

10 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

Nov 2034

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 Nov 30, 2026
The maintenance fee for Pile press-in device and pile press-in method (US 11,661,717) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, it lapses early.
1 fee due Jan 30, 2027
The maintenance fee for Extrusion apparatus (US 10,363,588) comes due Jan 30, 2027. Unpaid by Jul 30, 2027, it lapses early.

Which patents, and when each one lapses · Pro

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 10 of 10

Patent	Title	Status	Expires	Confidence
US 10,166,135	Posture Corrective Brace In force Term ends Nov 21, 2034 · High confidence	In force	Term ends Nov 21, 2034	High confidence
US 10,363,588	Extrusion apparatus In force Term ends Feb 4, 2038 · From the USPTO record	In force	Term ends Feb 4, 2038	From the USPTO record
US 11,530,520	Pile Press-In Machine and Pile Press-In Method In force Term ends Mar 12, 2038 · High confidence	In force	Term ends Mar 12, 2038	High confidence
US D1,010,696	Drilling tool In force Term ends Jan 9, 2039 · From the USPTO record	In force	Term ends Jan 9, 2039	From the USPTO record
US 11,434,652	Parking system that controls check-in and check-out of rental vehicle In force Term ends Jun 14, 2039 · From the USPTO record	In force	Term ends Jun 14, 2039	From the USPTO record
US 11,519,149	Pile joint, pile coupling structure, and pile coupling method In force Term ends Feb 12, 2040 · From the USPTO record	In force	Term ends Feb 12, 2040	From the USPTO record
US 11,661,717	Pile press-in device and pile press-in method In force Term ends Feb 19, 2040 · From the USPTO record	In force	Term ends Feb 19, 2040	From the USPTO record
US 12,325,151	Method and device for producing concrete pile In force Term ends Sep 21, 2041 · From the USPTO record	In force	Term ends Sep 21, 2041	From the USPTO record
US 12,258,724	Pile Press-In Construction Method, Pile Supplying Device, and Pile Press-In Device In force Term ends Jul 1, 2042 · High confidence	In force	Term ends Jul 1, 2042	High confidence
US 12,122,253	Vehicle Charging Apparatus and Mechanical Parking Apparatus In force Term ends Aug 30, 2042 · High confidence	In force	Term ends Aug 30, 2042	High confidence

Also on record, not counted in the 10: 1 lapsed for an unpaid fee · 3 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 no status recorded

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