The Patent Finder
PI

Pixim, Inc.

Filings on record here from 2001, where this site's data begins
OverviewNotableFeesChangesPatent listSources & methods

Six patents currently held, every record listed here

3 more in force are now held by other companies
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
3 more records may belong here and await a decision; they are not counted.

The next term ends in Dec 2026. from the record

Of the 3 now held by other companies, 2 name Sony Group Corporation as their current owner, and 1 more name another party. Each row says which.

Free plan: 3 watched companies. Pro: unlimited.
Alerts on its grants, lapses and transfers.
6
Ending by 2030
Dec 2026
Next term end
6
Patent families

When these terms end

Each bar runs from grant to computed term end. 2009 to 2034.
US 7,502,054 Automatic Detection of Fluorescent Flicker in Video Images Dec 6, 2026
US 7,477,175 Sigma Delta Analog to Digital Converter and a Method for Analog to Digital Conversion Oct 24, 2027
US 7,612,586 Low Noise Analog Sampling Circuit and a Method for Low Noise Sampling of an Analog Signal Dec 20, 2027
US 7,852,143 Method for Providing a Very Low Reference Current Jun 15, 2029
US 8,000,557 Method for Generating an Image and an Image Generator Feb 10, 2030
US 8,054,360 Device and Method for Providing a Reference Signal Apr 29, 2030
US 10,129,487 Conversion Gain Modulation Using Charge Sharing Pixel Dec 21, 2031
US 9,077,924 CMOS Image Sensor Implementing Correlated Double Sampling with Compression Jan 14, 2034
US 9,398,237 Image Sensor with Floating Diffusion Interconnect Capacitor Jul 29, 2034
20142019202420292034
Every computed term in this portfolio is shown above.Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know

Notable patents

Ranked by citations and family size, against patents of the same kind granted the same year. How we rank

Formerly held, still cited

Notable
Cited by 16 later US patents, top 25% of utility patents granted in 2016 in our data, and renewed at every maintenance window due so far. Protection runs to 2034.
Ends Jul 2034 · High confidence
Also notable Ends Dec 2031 · Low confidence
Also notable
Granted 2015 and renewed at every maintenance window due so far. Protection runs to 2034.
Ends Jan 2034 · High confidence

Fee deadlines

No maintenance fee falls due on this company's record before Nov 10, 2027.

Recent changes

  • 1 term has ended since Aug 16, 2026

Patents held now

Soonest term end first.

Showing 1 to 6 of 6

PatentTitleStatusExpiresConfidence
US 7,502,054Automatic Detection of Fluorescent Flicker in Video Images
In force
 · High confidence
In forceHigh confidence
US 7,477,175Sigma Delta Analog to Digital Converter and a Method for Analog to Digital Conversion
In force
 · High confidence
In forceHigh confidence
US 7,612,586Low Noise Analog Sampling Circuit and a Method for Low Noise Sampling of an Analog Signal
In force
 · High confidence
In forceHigh confidence
US 7,852,143Method for Providing a Very Low Reference Current
In force
 · High confidence
In forceHigh confidence
US 8,000,557Method for Generating an Image and an Image Generator
In force
 · High confidence
In forceHigh confidence
US 8,054,360Device and Method for Providing a Reference Signal
In force
 · High confidence
In forceHigh confidence
Also on record, not counted in the 6: 3 patents in force now held by others · 51 patents ended · 6 applications abandoned. List them

Sources and methods

Compiled from USPTO application file histories, grants and recorded assignments, with the company's own names reviewed by hand. How this record was built
Portfolio grouped automatically from ownership conveyances to the names matched to this company, usually every name that begins with its own, so it counts patents an affiliate holds; each list row names the holder of record. Security interests are excluded and ambiguous records are not reviewed by hand.
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