The Patent Finder

Xcena Inc.

24 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Previously recorded as Metisx Co., Ltd. (to 2025)

0
Ending by 2030
Sep 2043
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 Jul 16, 2027
    The maintenance fee for Method and apparatus for translating memory addresses in manycore system (US 11,875,184) comes due Jul 16, 2027. Unpaid by Jan 18, 2028, it lapses early.
  • 2 fees due Sep 12 to 26, 2027 · next Sep 12

Which patents, and when each one lapses · Pro

Recent changes

  • 1 of the patents on this record was 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 11,875,184Method and apparatus for translating memory addresses in manycore system
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,928,054Electronic device and computing system including same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,242,725Electronic device and computing system including same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,940,910Byte-addressable device and computing system including same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,277,057Byte-addressable device and computing system including same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,007,893Method and apparatus for adaptively managing cache pool
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,282,427Method and apparatus for adaptively managing cache pool
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,147,343Multiprocessor System and Data Management Method Thereof
In force
 · High confidence
In forceHigh confidence
US 11,994,991Cache Memory Device and Method for Implementing Cache Scheduling Using Same
In force
 · High confidence
In forceHigh confidence
US 12,411,768Cache Memory Device and Method for Implementing Cache Scheduling Using Same
In force
 · High confidence
In forceHigh confidence
10 of 24 patents shown.
Pro members see all 24.
Pro members: see all 24 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.
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