Semisilicon Technology Corp.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 2 name spellings.
4
Ending by 2030
Nov 2028
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 15, 2027The maintenance fee for Carry-signal controlled LED light with low power consumption and LED light string having the same (US 11,725,808) comes due Feb 15, 2027. Unpaid by Aug 16, 2027, it lapses early.
- 1 fee due Mar 12, 2027The maintenance fee for Light emitting diode lamp (US 11,758,628) comes due Mar 12, 2027. Unpaid by Sep 13, 2027, it lapses early.
- 3 fees due Apr 1 to 29, 2027 · next Apr 1
- 1 fee due Aug 11, 2027The maintenance fee for Light emitting diode lamp string system with sequencing function and sequencing method (US 10,561,005) comes due Aug 11, 2027. Unpaid by Feb 11, 2028, it lapses early.
- 1 fee due Sep 12, 2027The maintenance fee for Power line carrying signal pixel control light emitting diode system (US 11,930,578) comes due Sep 12, 2027. Unpaid by Mar 13, 2028, it lapses early.
- 3 fees due Oct 2 to 23, 2027 · next Oct 2
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 8,124,988 | Light emitting diode lamp package structure and assembly thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,852,011 | Series-type LED lamp strip module In force · From the USPTO record | In force | From the USPTO record | |
| US RE50,057 | Synchronous light emitting diode lamp string controller In force · From the USPTO record | In force | From the USPTO record | |
| US 8,134,299 | LED control system using modulated signal In force · From the USPTO record | In force | From the USPTO record | |
| US 8,651,700 | LED light string In force · From the USPTO record | In force | From the USPTO record | |
| US 8,884,535 | Light emitting diode control system using modulated signals In force · From the USPTO record | In force | From the USPTO record | |
| US 8,884,546 | Driving apparatus for light-emitting diode curtain lamp In force · From the USPTO record | In force | From the USPTO record | |
| US 8,928,233 | Light emitting diode control circuit with carrier signal control and package structure for the same and system for the same In force · From the USPTO record | In force | From the USPTO record | |
| US 8,994,282 | Light emitting diode control circuit with synchronization signal and package structure for the same and system for the same In force · From the USPTO record | In force | From the USPTO record | |
| US 9,497,809 | Light emitting diode system In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 59: 1 lapsed for an unpaid fee · 6 ended at full term · 1 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.
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.
1 pending · 4 no status recorded