The Patent Finder

Union Optech Co., Ltd.

13 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
Sep 2034
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 Jan 23, 2027
    The maintenance fee for Optical system for adjusting and compensating back focus through multi-optical-path combination (US 10,359,600) comes due Jan 23, 2027. Unpaid by Jul 23, 2027, it lapses early.
  • 1 fee due Apr 15, 2027
    The maintenance fee for Ultra-short throw projection optical system (US 10,444,478) comes due Apr 15, 2027. Unpaid by Oct 15, 2027, it lapses early.
  • 1 fee due May 21, 2027
    The maintenance fee for Ultra-short focus projecting optical system and projection device (US 11,822,062) comes due May 21, 2027. Unpaid by Nov 22, 2027, it lapses early.
  • 1 fee due Oct 26, 2027
    The maintenance fee for Optical focusing system (US 9,323,030) 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 9,323,030Optical focusing system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,470,879Optical imaging system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,581,790Mobile phone lens
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,778,440Optical system having small perspective distortion and ultra-wide viewing angle
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,180,584Anti-shake mechanism for lens
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,184,836Multi-optical shooting system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,237,520Imaging system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,359,600Optical system for adjusting and compensating back focus through multi-optical-path combination
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,444,478Ultra-short throw projection optical system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,884,221Ultra-small-sized 4K-resolution ultra-short-focus projection optical system
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 13 patents shown.
Pro members see all 13.
Pro members: see all 13 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.

4 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