The Patent Finder

Powertech Technology Inc.

137 patents currently held · Updated Nov 14, 2026
1 more in force is now held by another company
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.

Recorded under 2 name spellings.

11
Ending by 2030
Nov 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.
  • 4 fees due Dec 6 to 25, 2026 · next Dec 6
  • 2 fees due Jan 4, 2027
  • 2 fees due Feb 13 to 20, 2027 · next Feb 13
  • 1 fee due Mar 26, 2027
    The maintenance fee for Package structure and manufacturing method thereof (US 11,769,763) comes due Mar 26, 2027. Unpaid by Sep 27, 2027, it lapses early.
  • 3 fees due Apr 1 to 29, 2027 · next Apr 1
  • 3 fees due Jun 19 to 30, 2027 · next Jun 19
  • 2 fees due Aug 2 to 27, 2027 · next Aug 2
  • 4 fees due Sep 17 to 30, 2027 · next Sep 17
  • 5 fees due Oct 7 to 30, 2027 · next Oct 7

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 7,569,935Pillar-to-pillar flip-chip assembly
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,776,649Method for fabricating wafer level chip scale packages
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,812,430Leadframe and semiconductor package having downset baffle paddles
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,972,904Wafer level packaging method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,985,662Method for manufacturing dies formed with a dielectric layer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,927,919Semiconductor packaging method to save interposer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,040,690Inner-connecting structure of lead frame and its connecting method
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,063,492Multi-chip stacked package
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,049,339Semiconductor package having isolated inner lead
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,125,063COL package having small chip hidden between leads
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 137 patents shown.
Pro members see all 137.
Pro members: see all 137 patents
Also on record, not counted in the 137: 1 patent in force now held by others · 71 lapsed for an unpaid fee. 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.

11 pending · 1 abandoned · 120 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