The Patent Finder

Shofu Inc.

126 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
13
Ending by 2030
Nov 2026
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 Nov 30, 2026
    The maintenance fee for Dental zirconia blank having high relative density (US 11,660,172) comes due Nov 30, 2026. Unpaid by Jun 1, 2027, it lapses early.
  • 3 fees due Dec 4 to 30, 2026 · next Dec 4
  • 1 fee due Jan 11, 2027
    The maintenance fee for Dental photocurable composition excellent in color tone selectivity (US 11,696,874) comes due Jan 11, 2027. Unpaid by Jul 12, 2027, it lapses early.
  • 3 fees due Feb 22 to 28, 2027 · next Feb 22
  • 3 fees due Mar 5 to 26, 2027 · next Mar 5
  • 4 fees due Apr 10 to 24, 2027 · next Apr 10
  • 4 fees due May 3 to 26, 2027 · next May 3
  • 2 fees due Jun 3 to 29, 2027 · next Jun 3
  • 2 fees due Jul 9 to 23, 2027 · next Jul 9
  • 2 fees due Sep 1 to 17, 2027 · next Sep 1
  • 2 fees due Oct 2 to 12, 2027 · next Oct 2
  • 1 fee due Nov 14, 2027
    The maintenance fee for Method and apparatus for designing dental prosthetic device (US 11,980,522) comes due Nov 14, 2027. Unpaid by May 15, 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 17, 2026
  • 2 terms have 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 7,488,762Two paste-type glass ionomer cement
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,403,669Artificial tooth
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,066,852Dental adhesive primer composition
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,128,404Artificial teeth easily enabling bilateral balanced occlusion
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,713,515Shell plate for artificial teeth with arrangement assisting function
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,776,936One-pack type dental adhesive composition
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,304,356Aluminosilicate glass and color adapting composition for ceramics
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,872,058Photopolymerizable dental composition with less change in color tone before and after curing
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,950,923Occlusal plane analyzer, articulator, and occlusal plane analyzing method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,449,869Artificial nail composition having improved adhesion property
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 126 patents shown.
Pro members see all 126.
Pro members: see all 126 patents
Also on record, not counted in the 126: 39 lapsed for an unpaid fee · 26 ended at full term · 1 surrendered on reissue. 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.

18 pending · 23 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