Upi Semiconductor Corp.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
Recorded under 4 name spellings.
11
Ending by 2030
Jun 2029
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 Nov 23, 2026The maintenance fee for Control circuit of power converter and reference voltage adjusting method thereof (US 11,656,644) comes due Nov 23, 2026. Unpaid by May 24, 2027, it lapses early.
- 2 fees due Jan 7 to 9, 2027 · next Jan 7
- 4 fees due Feb 8 to 25, 2027 · next Feb 8
- 3 fees due Mar 17 to 29, 2027 · next Mar 17
- 4 fees due Apr 8 to 29, 2027 · next Apr 8
- 3 fees due May 3 to 26, 2027 · next May 3
- 2 fees due Jun 1 to 17, 2027 · next Jun 1
- 3 fees due Jul 5 to 23, 2027 · next Jul 5
- 4 fees due Aug 16 to 25, 2027 · next Aug 16
- 4 fees due Sep 3 to 30, 2027 · next Sep 3
- 3 fees due Oct 16 to 28, 2027 · next Oct 16
- 2 fees due Nov 3, 2027
Recent changes
- 1 term has 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 8,754,618 | Control method for multi-phase DC-DC controller and multi-phase DC-DC controller In force · From the USPTO record | In force | From the USPTO record | |
| US 7,923,977 | DC-DC converters with transient response control In force · From the USPTO record | In force | From the USPTO record | |
| US 8,624,574 | Pulse width modulation controller of DC-DC converter In force · From the USPTO record | In force | From the USPTO record | |
| US 7,928,704 | Droop circuits and multi-phase DC-DC converters In force · From the USPTO record | In force | From the USPTO record | |
| US 7,986,134 | Power supplies, power supply controllers, and power supply controlling methods In force · From the USPTO record | In force | From the USPTO record | |
| US 9,263,947 | Pulse width modulation controller of DC-DC converter In force · From the USPTO record | In force | From the USPTO record | |
| US 8,030,908 | Control method for multi-phase DC-DC controller and multi-phase DC-DC controller In force · From the USPTO record | In force | From the USPTO record | |
| US 8,018,218 | Controller of DC-DC converter with input voltage and output voltage sensing from the phase node In force · From the USPTO record | In force | From the USPTO record | |
| US 8,154,342 | Power amplifier and processing device utilizing the same In force · From the USPTO record | In force | From the USPTO record | |
| US 8,058,856 | Multi-phase DC-DC converter and method for balancing channel currents In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 130: 12 lapsed for an unpaid fee · 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 · 26 no status recorded