The Patent Finder

QD Laser, Inc.

12 patents currently held · Updated Nov 15, 2026
12 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.
2
Ending by 2030
Jun 2028
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 Feb 8, 2027
    The maintenance fee for Visual sense examination device (US 11,717,157) comes due Feb 8, 2027. Unpaid by Aug 9, 2027, it lapses early.
  • 2 fees due Mar 10 to 19, 2027 · next Mar 10
  • 1 fee due Jun 29, 2027
    The maintenance fee for Optical semiconductor device and method of manufacturing the same (US 9,225,147) comes due Jun 29, 2027. Unpaid by Dec 29, 2027, it lapses early.
  • 1 fee due Sep 3, 2027
    The maintenance fee for Retinal Scan Display Device for Correcting Distortion of and Inverting Image (US 10,578,871) comes due Sep 3, 2027. Unpaid by Mar 3, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 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.
PatentTitleStatus Expires Confidence
US 8,160,116Semiconductor laser and method for manufacturing the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,896,911Laser system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,225,147Optical semiconductor device and method of manufacturing the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,578,871Retinal Scan Display Device for Correcting Distortion of and Inverting Image
In force
 · High confidence
In forceHigh confidence
US 10,409,146Image projection system, image projection device, image projection method, image projection program, and server device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,129,527Visual field/visual acuity examination system, visual field/visual acuity examination device, visual field/visual acuity examination method, visual field/visual acuity examination program, and server device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,717,157Visual sense examination device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,764,546Semiconductor Laser Device
In force
 · High confidence
In forceHigh confidence
US 12,149,053Semiconductor Device
In force
 · High confidence
In forceHigh confidence
US 12,360,405Optical Semiconductor Device
In force
 · High confidence
In forceHigh confidence
10 of 12 patents shown.
Pro members see all 12.
Pro members: see all 12 patents
Also on record, not counted in the 12: 12 patents in force now held by others · 6 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.

1 pending · 2 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