Transound Electronics 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

Nov 2030

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 Apr 3, 2027
The maintenance fee for Speaker (US 11,778,388) comes due Apr 3, 2027. Unpaid by Oct 4, 2027, it lapses early.
1 fee due Jun 1, 2027
The maintenance fee for Acoustic metal diaphragm (US 9,204,221) comes due Jun 1, 2027. Unpaid by Dec 1, 2027, it lapses early.
1 fee due Oct 28, 2027
The maintenance fee for In-ear headphone having MMCX socket and detachable in-ear headphone assembly (US 10,638,211) comes due Oct 28, 2027. Unpaid by Apr 28, 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 8,090,125	Contact type electret condenser pickup In force Term ends Nov 2, 2030 · From the USPTO record	In force	Term ends Nov 2, 2030	From the USPTO record
US 9,602,912	High bass speaker monomer and a high bass earphone structure In force Term ends Jan 30, 2034 · From the USPTO record	In force	Term ends Jan 30, 2034	From the USPTO record
US 9,204,221	Acoustic metal diaphragm In force Term ends Nov 12, 2034 · From the USPTO record	In force	Term ends Nov 12, 2034	From the USPTO record
US 9,510,102	Moving iron sounding device In force Term ends Aug 31, 2035 · From the USPTO record	In force	Term ends Aug 31, 2035	From the USPTO record
US 9,860,647	High sound quality piezoelectric speaker In force Term ends Jun 23, 2036 · From the USPTO record	In force	Term ends Jun 23, 2036	From the USPTO record
US 10,250,966	Electrostatic Loudspeaker and Electrostatic Headphone In force Term ends Nov 15, 2037 · High confidence	In force	Term ends Nov 15, 2037	High confidence
US 10,638,211	In-ear headphone having MMCX socket and detachable in-ear headphone assembly In force Term ends Jul 20, 2038 · From the USPTO record	In force	Term ends Jul 20, 2038	From the USPTO record
US D1,010,610	Headset In force Term ends Jan 9, 2039 · From the USPTO record	In force	Term ends Jan 9, 2039	From the USPTO record
US 10,873,815	Electret condenser microphone with low noise figure and method for producing the same In force Term ends Jun 24, 2039 · From the USPTO record	In force	Term ends Jun 24, 2039	From the USPTO record
US 10,715,905	Noise cancelling earphone integrated with filter module In force Term ends Aug 12, 2039 · From the USPTO record	In force	Term ends Aug 12, 2039	From the USPTO record

10 of 19 patents shown.

Pro members see all 19.

Pro members: see all 19 patents

Also on record, not counted in the 19: 6 lapsed for an unpaid fee. 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

Every application published under this name has become a patent.