Dynax Semiconductor, Inc.

20 patents currently held · Updated Nov 14, 2026

2 more in force are now held by other companies

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

Ending by 2030

May 2033

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 Aug 18, 2027
The maintenance fee for Semiconductor device and method of manufacturing the same (US 10,566,429) comes due Aug 18, 2027. Unpaid by Feb 18, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was 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.

Patent	Title	Status	Expires	Confidence
US 9,722,064	Isolated gate field effect transistor and manufacture method thereof In force Term ends May 21, 2033 · From the USPTO record	In force	Term ends May 21, 2033	From the USPTO record
US 9,812,534	Semiconductor device and method of manufacturing the same In force Term ends Aug 7, 2034 · From the USPTO record	In force	Term ends Aug 7, 2034	From the USPTO record
US 10,566,429	Semiconductor device and method of manufacturing the same In force Term ends Aug 7, 2034 · From the USPTO record	In force	Term ends Aug 7, 2034	From the USPTO record
US 9,941,400	Semiconductor device and method of manufacturing the same In force Term ends Nov 6, 2034 · From the USPTO record	In force	Term ends Nov 6, 2034	From the USPTO record
US 9,536,965	Heat spreader on GaN semiconductor device In force Term ends Oct 23, 2035 · From the USPTO record	In force	Term ends Oct 23, 2035	From the USPTO record
US 10,847,627	Semiconductor device having source field plate and method of manufacturing the same In force Term ends Feb 17, 2036 · From the USPTO record	In force	Term ends Feb 17, 2036	From the USPTO record
US 10,985,050	Semiconductor chip, semiconductor wafer and method for manufacturing semiconductor wafer In force Term ends May 12, 2037 · From the USPTO record	In force	Term ends May 12, 2037	From the USPTO record
US 10,749,005	Semiconductor device and method for manufacturing the same In force Term ends Mar 30, 2038 · From the USPTO record	In force	Term ends Mar 30, 2038	From the USPTO record
US 10,686,063	Semiconductor device and method for manufacturing the same In force Term ends Apr 13, 2038 · From the USPTO record	In force	Term ends Apr 13, 2038	From the USPTO record
US 10,845,406	Semiconductor device and method of manufacturing the same In force Term ends Jul 4, 2038 · From the USPTO record	In force	Term ends Jul 4, 2038	From the USPTO record

10 of 20 patents shown.

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Also on record, not counted in the 20: 2 patents 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.

6 pending · 7 no status recorded

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