The Patent Finder

Arkamys

19 patents currently held · Updated Nov 14, 2026
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
3
Ending by 2030
Mar 2029
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 Sound spatialisation method (US 11,706,581) comes due Jan 18, 2027. Unpaid by Jul 19, 2027, it lapses early.
  • 1 fee due Feb 18, 2027
    The maintenance fee for Method for normalizing the power of a sound signal and associated processing device (US 9,112,464) comes due Feb 18, 2027. Unpaid by Aug 18, 2027, it lapses early.
  • 2 fees due Jun 1 to 19, 2027 · next Jun 1

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 8,064,607Method for producing more than two electric time signals from one first and one second electric time signal
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,483,396Method for the sound processing of a stereophonic signal inside a motor vehicle and motor vehicle implementing said method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,612,187Test platform implemented by a method for positioning a sound object in a 3D sound environment
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,768,496Method for Selecting Perceptually Optimal HRTF Filters in a Database According to Morphological Parameters
In force
 · High confidence
In forceHigh confidence
US 8,934,635Method for optimizing the stereo reception for an analog radio set and associated analog radio receiver
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,204,237Method of generating left and right surround signals from a stereo sound signal
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,112,464Method for normalizing the power of a sound signal and associated processing device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,443,502Method for reducing parasitic vibrations of a loudspeaker environment and associated processing device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,520,137Method for suppressing the late reverberation of an audio signal
In force
 · From the USPTO record
In forceFrom the USPTO record
US 10,175,934System for optimization of music listening
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 19 patents shown.
Pro members see all 19.
Pro members: see all 19 patents
Also on record, not counted in the 19: 2 lapsed for an unpaid fee · 1 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.

2 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