The Patent Finder

Luke Co., Ltd.

3 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
0
Ending by 2030
May 2037
Next term end

When these terms end

Held patents by the year their term ends
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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.
  • 2 fees due Aug 27, 2027

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 3 of 3

PatentTitleStatus Expires Confidence
US 11,911,227Aqueous Solution For Use In Cleaning Via Irradiation By Ultraviolet Rays And/Or Near-Ultraviolet Visible Light And/Or Light In 800-900 NM Near-Infrared Region, Dentifrice Including Said Solution, Dental Treatment Device, Toothbrush, And Tooth Cleaning Met
In force
 · Medium confidence
In forceMedium confidence
US 11,911,228Aqueous Solution For Use In Cleaning Via Irradiation By Ultraviolet Rays And/Or Near-Ultraviolet Visible Light And/Or Light In 800-900 NM Near-Infrared Region, Dentifrice Including Said Solution, Dental Treatment Device, Toothbrush, And Tooth Cleaning Met
In force
 · Medium confidence
In forceMedium confidence
US 11,510,752Aqueous Solution for Use in Cleaning via Irradiation by Ultraviolet Rays And/Or Near-Ultraviolet Visible Light And/Or Light in 800-900 NM Near-Infrared Region, Dentifrice Including Said Solution, Dental Treatment Device, Toothbrush, and Tooth Cleaning Method
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 3: 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

Every application published under this name has become a patent.

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