The Patent Finder

R & D Circuits

18 patents currently held · Updated Nov 14, 2026
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.

Recorded under 3 name spellings.

Recorded as renamed to Advantest Interconnect Solutions, Inc. (2026)

6
Ending by 2030
Dec 2028
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 Feb 11, 2027
    The maintenance fee for Apparatus for improved power distribution in an electrical component board (US 9,107,330) comes due Feb 11, 2027. Unpaid by Aug 11, 2027, it lapses early.
  • 1 fee due Apr 6, 2027
    The maintenance fee for Singulated elastomer electrical contactor for high performance interconnect systems and method for the same (US 9,153,890) comes due Apr 6, 2027. Unpaid by Oct 6, 2027, it lapses early.
  • 1 fee due Aug 11, 2027
    The maintenance fee for Method and structure for a 3D wire block (US 10,559,476) comes due Aug 11, 2027. Unpaid by Feb 11, 2028, it lapses early.

Which patents, and when each one lapses · Pro

Recent changes

  • 1 term has ended 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 7,766,667Separable Electrical Connectors Using Isotropic Conductive Elastomer Interconnect Medium
In force
 · High confidence
In forceHigh confidence
US 7,931,476Separable Electrical Connectors Using Isotropic Conductive Elastomer Interconnect Medium
In force
 · High confidence
In forceHigh confidence
US 8,066,517Separable electrical connectors using isotropic conductive elastomer interconnect medium
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,792,248Method for providing improved power distribution or power dissipation to an electrical component attached to main circuit board
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,107,330Apparatus for improved power distribution in an electrical component board
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,354,601Method and Structure for Coaxial via Routing in Printed Circuit Boards for Improved Signal Integrity
In force
 · High confidence
In forceHigh confidence
US 8,743,554An Apparatus for Improved Power Distribution or Power Dissipation to an Electrical Component and Method for the Same
In force
 · High confidence
In forceHigh confidence
US 9,680,245Singulated elastomer electrical contactor for high performance interconnect systems and method for the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,153,890Singulated elastomer electrical contactor for high performance interconnect systems and method for the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 9,674,964Method and structure for directly connecting coaxial or micro coaxial cables to the interior side of pads of a printed circuit board to improve signal integrity of an electrical circuit
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 18 patents shown.
Pro members see all 18.
Pro members: see all 18 patents
Also on record, not counted in the 18: 3 patents in force now held by others · 3 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 pending · 8 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