Inktec 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.

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

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 Jan 28, 2027
The maintenance fee for Silver ink composition (US 9,090,785) comes due Jan 28, 2027. Unpaid by Jul 28, 2027, it lapses early.
2 fees due Feb 11 to 13, 2027 · next Feb 11
1 fee due Sep 29, 2027
The maintenance fee for Method for manufacturing transparent conductive film (US 9,299,483) comes due Sep 29, 2027. Unpaid by Mar 29, 2028, it lapses early.
1 fee due Oct 12, 2027
The maintenance fee for Method for manufacturing a double-sided printed circuit board (US 9,313,900) comes due Oct 12, 2027. Unpaid by Apr 12, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

2 terms have ended since Aug 16, 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 8,366,958	Etching Solutions In force Term ends May 14, 2028 · High confidence	In force	Term ends May 14, 2028	High confidence
US 8,282,860	Process for preparation of silver nanoparticles, and the compositions of silver ink containing the same In force Term ends Dec 4, 2028 · From the USPTO record	In force	Term ends Dec 4, 2028	From the USPTO record
US 9,839,138	Method for fabricating blackened conductive patterns In force Ends no later than Dec 10, 2028 · From the USPTO record	In force	Ends no later than Dec 10, 2028	From the USPTO record
US 8,226,755	Organic silver complexes, their preparation methods and their methods for forming thin layers In force Term ends Apr 2, 2029 · From the USPTO record	In force	Term ends Apr 2, 2029	From the USPTO record
US 9,107,317	Method for fabricating blackened conductive patterns In force Term ends Jan 19, 2031 · From the USPTO record	In force	Term ends Jan 19, 2031	From the USPTO record
US 9,299,483	Method for manufacturing transparent conductive film In force Term ends Jul 28, 2031 · From the USPTO record	In force	Term ends Jul 28, 2031	From the USPTO record
US 9,313,900	Method for manufacturing a double-sided printed circuit board In force Term ends Sep 1, 2031 · From the USPTO record	In force	Term ends Sep 1, 2031	From the USPTO record
US 9,396,843	Method of manufacturing a transparent conductive layer and transparent conductive layer manufactured by same In force Term ends Jan 26, 2032 · From the USPTO record	In force	Term ends Jan 26, 2032	From the USPTO record
US 9,090,785	Silver ink composition In force Term ends Apr 20, 2032 · From the USPTO record	In force	Term ends Apr 20, 2032	From the USPTO record
US 10,178,773	Method for Manufacturing a Metal Printed Circuit Board In force Term ends Aug 30, 2033 · High confidence	In force	Term ends Aug 30, 2033	High confidence

10 of 19 patents shown.

Pro members see all 19.

Pro members: see all 19 patents

Also on record, not counted in the 19: 36 lapsed for an unpaid fee · 8 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.

5 no status recorded

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