Ltd.

74 patents currently held · Updated Nov 14, 2026

15 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

Feb 2027

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.

2 fees due Dec 2 to 16, 2026 · next Dec 2
1 fee due Jan 7, 2027
The maintenance fee for Streaming Content Management Apparatus and Method (US 9,077,946) comes due Jan 7, 2027. Unpaid by Jul 7, 2027, it lapses early.
2 fees due Feb 4 to 8, 2027 · next Feb 4
1 fee due Mar 5, 2027
The maintenance fee for Instant water boiling device (US 11,747,044) comes due Mar 5, 2027. Unpaid by Sep 7, 2027, it lapses early.
2 fees due Apr 3 to 6, 2027 · next Apr 3
1 fee due Oct 12, 2027
The maintenance fee for Method and Apparatus for Managing Lists Using Multi-Touch (US 9,310,993) 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 7,335,844	Keypad Assembly for Electronic Device In force Term ends Feb 2, 2027 · High confidence	In force	Term ends Feb 2, 2027	High confidence
US 7,570,880	Auto Focus Control Apparatus for Camera Module In force Term ends Jul 26, 2027 · High confidence	In force	Term ends Jul 26, 2027	High confidence
US 7,693,077	Method for Estimating Available Bandwidth of Network In force Term ends Oct 16, 2027 · High confidence	In force	Term ends Oct 16, 2027	High confidence
US 7,492,532	Optical Lens System In force Term ends Dec 3, 2027 · High confidence	In force	Term ends Dec 3, 2027	High confidence
US 7,783,775	Providing Multimedia Content Continuously for Multiple Users So as to Accommodate Movement to One or More Different Audience Locations In force Term ends Feb 6, 2028 · High confidence	In force	Term ends Feb 6, 2028	High confidence
US 7,693,411	Mobile Terminal and Auto-Focusing Method Using a Lens Position Error Compensation In force Term ends Feb 18, 2028 · High confidence	In force	Term ends Feb 18, 2028	High confidence
US 7,933,590	DMB Data Receiving Apparatus and Method for Improving DMB Data Receiving Speed In force Term ends Oct 31, 2028 · High confidence	In force	Term ends Oct 31, 2028	High confidence
US 8,102,461	Mobile Communication Terminal and Method for Displaying Image Using Focus Information Thereof In force Term ends Nov 7, 2028 · High confidence	In force	Term ends Nov 7, 2028	High confidence
US 8,035,904	Camera Lens Module In force Term ends Dec 1, 2028 · High confidence	In force	Term ends Dec 1, 2028	High confidence
US 7,959,342	Waveguide Member and Keypad Assembly Using the Same In force Term ends Apr 29, 2029 · High confidence	In force	Term ends Apr 29, 2029	High confidence

10 of 74 patents shown.

Pro members see all 74.

Pro members: see all 74 patents

Also on record, not counted in the 74: 15 patents in force now held by others · 223 lapsed for an unpaid fee · 42 ended at full term · 2 surrendered on reissue. 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.

Export every term end as CSV · Pro