Cesign Co., Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
Aug 2031
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 Aug 23, 2027The maintenance fee for Digital condenser microphone having preamplifier with variable input impedance and method of controlling variable input impedance of preamplifier (US 9,270,238) comes due Aug 23, 2027. Unpaid by Feb 23, 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.
Showing 1 to 6 of 6
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,981,863 | Modulation Apparatus for Class D Switching Amplifier In force · High confidence | In force | High confidence | |
| US 9,270,238 | Digital condenser microphone having preamplifier with variable input impedance and method of controlling variable input impedance of preamplifier In force · From the USPTO record | In force | From the USPTO record | |
| US 9,500,501 | Startup circuit, capacitive sensor amplification device having startup circuit, and startup method for amplification device In force · From the USPTO record | In force | From the USPTO record | |
| US 9,651,609 | Semiconductor circuit having test function In force · From the USPTO record | In force | From the USPTO record | |
| US 9,628,100 | Analog-to-digital conversion device for multiple input signals and conversion method therefor In force · From the USPTO record | In force | From the USPTO record | |
| US 11,263,776 | Object recognition system and method using ultrasonic sensor In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 6: 1 lapsed for an unpaid fee. 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.
2 no status recorded