The Patent Finder

Phovel.Co.Ltd.

17 patents currently held · Updated Nov 15, 2026
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
1
Ending by 2030
Mar 2030
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 17, 2027
    The maintenance fee for Optical receiver using wavelength tunable filter (US 10,418,386) comes due Mar 17, 2027. Unpaid by Sep 17, 2027, it lapses early.
  • 1 fee due Oct 26, 2027
    The maintenance fee for Wavelength-tunable laser apparatus having wavelength measuring function (US 9,325,154) comes due Oct 26, 2027. Unpaid by Apr 26, 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.
PatentTitleStatus Expires Confidence
US 8,693,517Semiconductor laser using external resonator
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,325,154Wavelength-tunable laser apparatus having wavelength measuring function
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,534,960Method for measuring temperature using a thermistor
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,054,809Radio Frequency Optical Module and Optical Transmission Apparatus Including the Same
In force
 · High confidence
In forceHigh confidence
US 9,466,944Compact tunable laser device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,912,117Compact tunable laser device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,627,847Wavelength-tunable laser
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,515,454Narrow bandwidth laser device with wavelength stabilizer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,634,466External-cavity type laser with built-in wavemeter
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,418,386Optical receiver using wavelength tunable filter
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 17 patents shown.
Pro members see all 17.
Pro members: see all 17 patents
Also on record, not counted in the 17: 1 patent in force now held by others. 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.

1 pending · 1 abandoned · 7 no status recorded

List them

The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited