The Patent Finder

Hilight Semiconductor Limited

10 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
May 2035
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 Dec 25, 2026
    The maintenance fee for Method for generating reference currents in proportion to enable control of average power and extinction ratio of laser modulation in an optical transmitter (US 10,333,625) comes due Dec 25, 2026. Unpaid by Jun 25, 2027, it lapses early.
  • 1 fee due Apr 15, 2027
    The maintenance fee for Method and system for controlling laser modulation (US 10,447,007) comes due Apr 15, 2027. Unpaid by Oct 15, 2027, it lapses early.
  • 1 fee due Jul 14, 2027
    The maintenance fee for Method for control of optical intensity and extinction ratio of laser modulation in an optical transmitter (US 10,535,978) comes due Jul 14, 2027. Unpaid by Jan 14, 2028, it lapses early.

Which patents, and when each one lapses · Pro

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 10 of 10

PatentTitleStatus Expires Confidence
US 9,692,358Circuitry
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,774,304Trans-impedance amplifier arrangement and control module
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,447,007Method and system for controlling laser modulation
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,205,532Laser power controller
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,749,605Laser power controller
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,535,978Method for control of optical intensity and extinction ratio of laser modulation in an optical transmitter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,333,625Method for generating reference currents in proportion to enable control of average power and extinction ratio of laser modulation in an optical transmitter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,300,967Method and System for Controlling Laser Modulation
In force
 · High confidence
In forceHigh confidence
US 12,498,529Opto-electronic assemblies
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,689,444Opto-Electronic Assemblies
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 10: 2 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

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited