Sigmastar Technology Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Previously recorded as Xiamen Sigmastar Technology Ltd. (to 2021)
5
Ending by 2030
Oct 2027
Next term end
When these terms end
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 Feb 20, 2027The maintenance fee for Image Processing Method and Image Processing Device (US 10,388,007) comes due Feb 20, 2027. Unpaid by Aug 20, 2027, it lapses early.
- 2 fees due Mar 12 to 17, 2027 · next Mar 12
- 1 fee due Apr 15, 2027The maintenance fee for Fingerprint identification device, mobile device using the same and method for manufacturing fingerprint identification device (US 10,445,551) comes due Apr 15, 2027. Unpaid by Oct 15, 2027, it lapses early.
- 3 fees due May 19 to 28, 2027 · next May 19
- 1 fee due Jul 30, 2027The maintenance fee for Operation device and operation method (US 11,886,832) comes due Jul 30, 2027. Unpaid by Jan 31, 2028, it lapses early.
- 6 fees due Aug 4 to 27, 2027 · next Aug 4
- 1 fee due Sep 8, 2027The maintenance fee for Electronic Device and Digital Display Device (US 9,280,201) comes due Sep 8, 2027. Unpaid by Mar 8, 2028, it lapses early.
- 2 fees due Oct 16, 2027
- 2 fees due Nov 12, 2027
Recent changes
- 3 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,576,784 | Apparatus for Acquiring Image and Method Therefor In force · High confidence | In force | High confidence | |
| US 8,233,057 | Apparatus and Method for Image Capturing In force · High confidence | In force | High confidence | |
| US 7,715,660 | Image Acquisition Device In force · High confidence | In force | High confidence | |
| US 7,787,035 | Image Acquiring Apparatus and Image Processing Method Thereof In force · High confidence | In force | High confidence | |
| US 8,019,916 | Mobile Communication Terminal System In force · High confidence | In force | High confidence | |
| US 8,390,664 | Hand-Held Electrical Communication Device and Image Processing Method Thereof In force · High confidence | In force | High confidence | |
| US 8,578,392 | Laptop Computer for Processing Original High Resolution Images and Image-data-processing device thereof In force · High confidence | In force | High confidence | |
| US 8,687,083 | High Resolution Digital Image Capturing Apparatus and Reference Pixel Memory Storage Space Configuration Method In force · High confidence | In force | High confidence | |
| US 8,742,835 | Switch Circuit and Charge Pump Using the Same Thereof In force · High confidence | In force | High confidence | |
| US 9,280,201 | Electronic Device and Digital Display Device In force · High confidence | In force | High confidence |
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.
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.
22 pending · 2 abandoned · 21 no status recorded