Silego Technology Inc.

11 patents currently held · Updated Nov 15, 2026

28 more in force are now held by other companies

Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

Recorded as renamed to Renesas Design Technology Inc. (2022)

Ending by 2030

Nov 2038

Next term end

When these terms end

5 yrs10 yrs20 yrs

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 27, 2027
The maintenance fee for Integrated user programmable slew-rate controlled soft-start for LDO (US 11,914,409) comes due Aug 27, 2027. Unpaid by Feb 28, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

1 of the patents on this record was granted since Aug 17, 2026
1 term has ended since Aug 17, 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 10,742,206	Switching Circuit In force Term ends Nov 21, 2038 · High confidence	In force	Term ends Nov 21, 2038	High confidence
US 11,102,203	Method of authenticating a device In force Term ends Jun 5, 2039 · From the USPTO record	In force	Term ends Jun 5, 2039	From the USPTO record
US 11,012,055	Comparator system In force Term ends Oct 2, 2039 · From the USPTO record	In force	Term ends Oct 2, 2039	From the USPTO record
US 11,011,977	Dual-Stage Inductorless Switched-Capacitor Converter Without Divisor Dependency In force Term ends Nov 10, 2039 · High confidence	In force	Term ends Nov 10, 2039	High confidence
US 11,165,344	PFM controller for a multi-level converter utilizing flying capacitor voltage monitors In force Term ends Dec 31, 2039 · From the USPTO record	In force	Term ends Dec 31, 2039	From the USPTO record
US 11,340,265	Circuit and method for real time detection of a faulty capacitor In force Term ends Mar 17, 2040 · From the USPTO record	In force	Term ends Mar 17, 2040	From the USPTO record
US 11,469,672	Interleaved multi-level buck-boost switching power converter with pulse-width modulation In force Term ends Apr 30, 2040 · From the USPTO record	In force	Term ends Apr 30, 2040	From the USPTO record
US 12,772,861	Packaging Substrate In force Term ends Mar 9, 2041 · High confidence	In force	Term ends Mar 9, 2041	High confidence
US 11,601,093	Differential Amplifier In force Term ends Sep 24, 2041 · High confidence	In force	Term ends Sep 24, 2041	High confidence
US 11,914,409	Integrated user programmable slew-rate controlled soft-start for LDO In force Term ends Jan 4, 2042 · From the USPTO record	In force	Term ends Jan 4, 2042	From the USPTO record

10 of 11 patents shown.

Pro members see all 11.

Pro members: see all 11 patents

Also on record, not counted in the 11: 28 patents in force now held by others · 4 lapsed for an unpaid fee · 4 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.

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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 abandoned

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