Advanced Analog Technology, Inc.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
23
Ending by 2030
Jan 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 Mar 22, 2027The maintenance fee for Current regulation system (US 9,142,991) comes due Mar 22, 2027. Unpaid by Sep 22, 2027, it lapses early.
- 2 fees due May 17 to 21, 2027 · next May 17
- 1 fee due Jun 1, 2027The maintenance fee for Semiconductor structure for electrostatic discharge protection (US 9,202,807) comes due Jun 1, 2027. Unpaid by Dec 1, 2027, it lapses early.
- 1 fee due Aug 25, 2027The maintenance fee for Power-saving scanning method for touch device (US 10,571,995) comes due Aug 25, 2027. Unpaid by Feb 25, 2028, it lapses early.
- 1 fee due Sep 22, 2027The maintenance fee for Semiconductor structure for electrostatic discharge protection (US 9,293,424) comes due Sep 22, 2027. Unpaid by Mar 22, 2028, it lapses early.
- 1 fee due Oct 5, 2027The maintenance fee for Constant current control circuit for power converter and constant current control method thereof (US 9,306,462) comes due Oct 5, 2027. Unpaid by Apr 5, 2028, it lapses early.
- 1 fee due Nov 10, 2027The maintenance fee for Integrated circuit device and electrostatic discharge protection device thereof (US 9,337,158) comes due Nov 10, 2027. Unpaid by May 10, 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 7,352,162 | PWM boost system and start-up method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,412,156 | Brushless DC motor driver circuit capable of reducing vibration or shock noise and method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,446,621 | Circuit and method for switching PFM and PWM In force · From the USPTO record | In force | From the USPTO record | |
| US 7,471,117 | Circuit for detecting maximal frequency of pulse frequency modulation and method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,456,622 | Circuit for starting up a synchronous step-up DC/DC converter and the method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,551,008 | Circuit for fixing peak current of an inductor and method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,612,543 | Current mode PWM boost circuit and feedback signal sensing method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,680,238 | Frequency divider circuit In force · From the USPTO record | In force | From the USPTO record | |
| US 7,741,820 | Switching voltage regulator pulse width modulation controller and method In force · From the USPTO record | In force | From the USPTO record | |
| US 7,671,657 | Voltage level shifter with voltage boost mechanism In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 43: 3 lapsed for an unpaid fee · 1 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.
16 no status recorded