MaxPower Semiconductor, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
47
Ending by 2030
Jan 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.
- 2 fees due Dec 2 to 18, 2026 · next Dec 2
- 2 fees due Jan 7 to 28, 2027 · next Jan 7
- 1 fee due Feb 27, 2027The maintenance fee for Vertical power transistor die with etched beveled edges for increasing breakdown voltage (US 10,396,150) comes due Feb 27, 2027. Unpaid by Aug 27, 2027, it lapses early.
- 1 fee due Mar 8, 2027The maintenance fee for Devices, Components and Methods Combining Trench Field Plates with Immobile Electrostatic Charge (US 9,129,936) comes due Mar 8, 2027. Unpaid by Sep 8, 2027, it lapses early.
- 2 fees due May 10 to 24, 2027 · next May 10
- 2 fees due Jun 17 to 29, 2027 · next Jun 17
- 2 fees due Jul 7 to 30, 2027 · next Jul 7
- 1 fee due Aug 16, 2027The maintenance fee for Power semiconductor devices, structures, and related methods (US 9,263,573) comes due Aug 16, 2027. Unpaid by Feb 16, 2028, it lapses early.
- 1 fee due Sep 17, 2027The maintenance fee for Vertical rectifier with added intermediate region (US 10,593,813) comes due Sep 17, 2027. Unpaid by Mar 17, 2028, it lapses early.
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 7,964,913 | Power MOS transistor incorporating fixed charges that balance the charge in the drift region In force · From the USPTO record | In force | From the USPTO record | |
| US 8,546,878 | Semiconductor device incorporating charge balancing In force · From the USPTO record | In force | From the USPTO record | |
| US 8,618,599 | Method of manufacture for a semiconductor device In force · From the USPTO record | In force | From the USPTO record | |
| US 8,629,493 | Semiconductor device In force · From the USPTO record | In force | From the USPTO record | |
| US 8,659,074 | Semiconductor device In force · From the USPTO record | In force | From the USPTO record | |
| US 8,907,412 | Semiconductor device In force · From the USPTO record | In force | From the USPTO record | |
| US 8,962,426 | Method of Manufacture for a Semiconductor Device In force · Medium confidence | In force | Medium confidence | |
| US 9,385,227 | Power devices, structures, components, and methods using lateral drift, fixed net charge, and shield In force · From the USPTO record | In force | From the USPTO record | |
| US 9,590,075 | Semiconductor device In force · From the USPTO record | In force | From the USPTO record | |
| US 9,923,556 | Power devices, structures, components, and methods using lateral drift, fixed net charge, and shield In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 89: 1 lapsed for an unpaid fee · 3 ended at full term. 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.
5 pending · 17 no status recorded