PLK Technologies Co., Ltd.

11 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

Jun 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 30, 2027
The maintenance fee for Pedestrian recognition apparatus and method (US 10,522,039) comes due Jun 30, 2027. Unpaid by Jan 3, 2028, 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.

Patent	Title	Status	Expires	Confidence
US 8,229,621	Method of storing accident data for a vehicle In force Term ends Jun 2, 2029 · From the USPTO record	In force	Term ends Jun 2, 2029	From the USPTO record
US 9,109,907	Vehicle Position Recognition Apparatus and Method Using Image Recognition Information In force Term ends Sep 6, 2032 · High confidence	In force	Term ends Sep 6, 2032	High confidence
US 9,568,327	Navigation system for determining route change of vehicle In force Term ends Nov 27, 2032 · From the USPTO record	In force	Term ends Nov 27, 2032	From the USPTO record
US 9,070,022	Route change determination system and method using image recognition information In force Term ends Feb 22, 2033 · From the USPTO record	In force	Term ends Feb 22, 2033	From the USPTO record
US 9,639,764	Image recognition system for vehicle for traffic sign board recognition In force Term ends Oct 6, 2034 · From the USPTO record	In force	Term ends Oct 6, 2034	From the USPTO record
US 10,522,039	Pedestrian recognition apparatus and method In force Term ends Feb 20, 2036 · From the USPTO record	In force	Term ends Feb 20, 2036	From the USPTO record
US 10,192,444	Forward collision warning system and method In force Term ends May 3, 2036 · From the USPTO record	In force	Term ends May 3, 2036	From the USPTO record
US 10,235,579	Vanishing point correction apparatus and method In force Term ends Jun 21, 2036 · From the USPTO record	In force	Term ends Jun 21, 2036	From the USPTO record
US 9,834,139	Vehicle Collision Warning Prevention Method Using Optical Flow Analysis In force Term ends Oct 20, 2036 · High confidence	In force	Term ends Oct 20, 2036	High confidence
US 10,268,908	Side safety assistant device and method for large vehicle In force Term ends Jun 4, 2037 · From the USPTO record	In force	Term ends Jun 4, 2037	From the USPTO record

10 of 11 patents shown.

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Pro members: see all 11 patents

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.