The Patent Finder

Tamron Co., Ltd.

100 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
5
Ending by 2030
Mar 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 Dec 23, 2026
    The maintenance fee for Imaging lens (US 9,063,253) comes due Dec 23, 2026. Unpaid by Jun 23, 2027, it lapses early.
  • 1 fee due Jan 23, 2027
    The maintenance fee for Zoom lens and camera device (US 10,359,611) comes due Jan 23, 2027. Unpaid by Jul 23, 2027, it lapses early.
  • 1 fee due Feb 25, 2027
    The maintenance fee for Internal focus lens (US 9,116,286) comes due Feb 25, 2027. Unpaid by Aug 25, 2027, it lapses early.
  • 1 fee due Mar 29, 2027
    The maintenance fee for Zoom lens and imaging apparatus (US 9,148,576) comes due Mar 29, 2027. Unpaid by Sep 29, 2027, it lapses early.
  • 3 fees due Apr 1 to 24, 2027 · next Apr 1
  • 1 fee due May 3, 2027
    The maintenance fee for Zoom lens (US 9,176,308) comes due May 3, 2027. Unpaid by Nov 3, 2027, it lapses early.
  • 1 fee due Jun 12, 2027
    The maintenance fee for Optical system, fundus examination apparatus, fundus imaging apparatus, and fundus examination system (US 11,839,431) comes due Jun 12, 2027. Unpaid by Dec 13, 2027, it lapses early.
  • 2 fees due Jul 23 to 28, 2027 · next Jul 23
  • 2 fees due Aug 9 to 13, 2027 · next Aug 9
  • 2 fees due Sep 15 to 30, 2027 · next Sep 15
  • 2 fees due Oct 12 to 21, 2027 · next Oct 12
  • 2 fees due Nov 3 to 7, 2027 · next Nov 3

Which patents, and when each one lapses · Pro

Recent changes

  • 7 of the patents on this record were granted since Aug 17, 2026
  • 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 7,746,563Large magnification factor zoom lens
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,773,308Wide-angle zoom lens
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,830,623Connecting method or lenses for an imaging-device, lens unit constructed by using the connection method and imaging-device comprising the lens unit
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,305,692Macro lens
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,169,718Wide-Angle Zoom Lens
In force
 · High confidence
In forceHigh confidence
US 8,395,847Zoom lens
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,451,549Enhanced variable power zoom lens
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,542,449Enhanced variable power zoom lens
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,553,339Enhanced variable power zoom lens
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,908,297Fixed focus lens
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 100 patents shown.
Pro members see all 100.
Pro members: see all 100 patents
Also on record, not counted in the 100: 116 lapsed for an unpaid fee · 5 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

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.

10 pending · 1 abandoned · 56 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