The Patent Finder

Letinar Co., Ltd.

37 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
Jun 2036
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 25, 2027
    The maintenance fee for Optical apparatus (US 10,571,694) comes due Aug 25, 2027. Unpaid by Feb 25, 2028, it lapses early.
  • 1 fee due Sep 12, 2027
    The maintenance fee for Image compensation device for image for augmented reality (US 11,927,733) comes due Sep 12, 2027. Unpaid by Mar 13, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 2 of the patents on this record were granted since Aug 16, 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.
PatentTitleStatus Expires Confidence
US D921,745Augmented reality smartglasses
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,571,694Optical apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,768,427Apparatus equipped with depth control function for enabling augmented reality
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,556,007Apparatus equipped with depth control function for enabling augmented reality
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,989,921Augmented reality optics system with pinpoint mirror
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,989,922Augmented reality optics system with pin mirror
In force
 · From the USPTO record
In forceFrom the USPTO record
US D982,067Augmented reality smart glasses
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,013,540Method of manufacturing optical device having array of reflective units on optical element surfaces
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,656,460Method of Manufacturing Optical Device with First and Second Optical Elements Having Reflective Units
In force
 · High confidence
In forceHigh confidence
US 11,391,954Optical device for augmented reality
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 37 patents shown.
Pro members see all 37.
Pro members: see all 37 patents

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.

5 pending · 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