The Patent Finder

Tetramem Inc.

74 patents currently held · Updated Nov 15, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

0
Ending by 2030
Jan 2037
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 18, 2027
    The maintenance fee for Auto-calibrating crossbar-based apparatuses (US 11,705,196) comes due Jan 18, 2027. Unpaid by Jul 19, 2027, it lapses early.
  • 1 fee due Feb 22, 2027
    The maintenance fee for Reducing disturbance in crossbar array circuits (US 11,735,256) comes due Feb 22, 2027. Unpaid by Aug 23, 2027, it lapses early.
  • 1 fee due Mar 26, 2027
    The maintenance fee for Code comparators with nonpolar dynamical switches (US 11,769,544) comes due Mar 26, 2027. Unpaid by Sep 27, 2027, it lapses early.
  • 1 fee due Jun 19, 2027
    The maintenance fee for Proton-based two-terminal volatile memristive devices (US 11,849,654) comes due Jun 19, 2027. Unpaid by Dec 20, 2027, it lapses early.
  • 1 fee due Nov 14, 2027
    The maintenance fee for Methods for fabricating resistive random-access memory stacks (US 11,985,911) comes due Nov 14, 2027. Unpaid by May 15, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 4 of the patents on this record were granted 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 10,313,776Audio Output Apparatus and Method for Operating Audio Output Apparatus
In force
 · High confidence
In forceHigh confidence
US 11,538,523Crossbar array with reduced disturbance
In force
 · High confidence
In forceHigh confidence
US 12,198,761Crossbar Array with Reduced Disturbance
In force
 · High confidence
In forceHigh confidence
US 10,852,350Defect mitigation in a crossbar-based computing environment
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,151,289Non-rewritable code comparators with memristors and serial resistors
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,532,786Large-Scale Crossbar Arrays with Reduced Series Resistance
In force
 · High confidence
In forceHigh confidence
US 10,802,994Caliberating a plurality of conductances of columns in memristor crossbar based computing
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,847,219Row switch resistance error reduction for RRAM crossbar array circuit
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,114,158Reducing column switch resistance errors in RRAM-based crossbar array circuits
In force
 · From the USPTO record
In forceFrom the USPTO record
US 12,431,179Code comparators with nonpolar dynamical switches
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 74 patents shown.
Pro members see all 74.
Pro members: see all 74 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.

21 pending · 9 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