EGTM Co., Ltd.

9 patents currently held · Updated Nov 14, 2026

1 more in force is now held by another company

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

Ending by 2030

Jan 2041

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 Sep 12, 2027
The maintenance fee for Niobium precursor compound for thin film deposition and method for forming niobium-containing thin film using same (US 11,926,897) comes due Sep 12, 2027. Unpaid by Mar 13, 2028, it lapses early.

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Recent changes

2 of the patents on this record were granted 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.

Showing 1 to 9 of 9

Patent	Title	Status	Expires	Confidence
US 12,247,289	Method for forming thin film using surface protection material In force Term ends Jan 7, 2041 · From the USPTO record	In force	Term ends Jan 7, 2041	From the USPTO record
US 11,591,691	Method of Forming a Thin Film Using a Surface Protection Material In force Term ends May 21, 2041 · High confidence	In force	Term ends May 21, 2041	High confidence
US 11,634,441	Group 5 Metal Compound for Thin Film Deposition and Method of Forming Group 5 Metal-Containing Thin Film Using Same In force Term ends Jun 9, 2041 · High confidence	In force	Term ends Jun 9, 2041	High confidence
US 12,252,781	Area-selective method for forming thin film by using nuclear growth retardation In force Term ends Feb 11, 2042 · From the USPTO record	In force	Term ends Feb 11, 2042	From the USPTO record
US 11,926,897	Niobium precursor compound for thin film deposition and method for forming niobium-containing thin film using same In force Term ends May 25, 2042 · From the USPTO record	In force	Term ends May 25, 2042	From the USPTO record
US 12,729,427	Method for Forming Region-Selective Thin Film Using Selectivating Agent In force Term ends May 19, 2043 · High confidence	In force	Term ends May 19, 2043	High confidence
US 12,281,130	Organometallic Precursor Compound In force Term ends Jun 23, 2043 · High confidence	In force	Term ends Jun 23, 2043	High confidence
US 12,421,605	Method for Areal Selective Forming of Thin Film In force Term ends May 3, 2044 · High confidence	In force	Term ends May 3, 2044	High confidence
US 12,760,042	Aluminum Precursor, Method of Forming a Thin Layer Using the Same, Method of Manufacturing the Same, and Method of Manufacturing Memory Device In force Term ends Nov 17, 2044 · High confidence	In force	Term ends Nov 17, 2044	High confidence

Also on record, not counted in the 9: 1 patent in force now held by others. 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.

8 pending · 1 abandoned · 2 no status recorded

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