The Patent Finder

Jusung Engineering Co., Ltd.

113 patents currently held · Updated Nov 15, 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 4 name spellings.

24
Ending by 2030
Dec 2026
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.
  • 3 fees due Feb 6 to 25, 2027 · next Feb 6
  • 3 fees due Jun 1 to 10, 2027 · next Jun 1
  • 1 fee due Aug 2, 2027
    The maintenance fee for Substrate processing system and substrate transferring method (US 9,252,034) comes due Aug 2, 2027. Unpaid by Feb 2, 2028, it lapses early.
  • 2 fees due Sep 8 to 24, 2027 · next Sep 8
  • 2 fees due Oct 21 to 30, 2027 · next Oct 21

Which patents, and when each one lapses · Pro

Recent changes

  • 5 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 7,846,292Gas injector and apparatus including the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,039,406Method of gap-filling using amplitude modulation radiofrequency power and apparatus for the same
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,035,056Plasma generation apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,605,084Method of gap-filling using amplitude modulation radio frequency power
In force
 · From the USPTO record
In forceFrom the USPTO record
US 7,951,261Plasma etching apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,105,647Method of forming oxide film and oxide deposition apparatus
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,097,527Method of forming epitaxial layer
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,157,916Apparatus for fabricating display device
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,168,505Method of fabricating transistor with epitaxial layers having different germanium concentrations
In force
 · From the USPTO record
In forceFrom the USPTO record
US 8,545,159Apparatus having conveyor and method of transferring substrate using the same
In force
 · From the USPTO record
In forceFrom the USPTO record
10 of 113 patents shown.
Pro members see all 113.
Pro members: see all 113 patents
Also on record, not counted in the 113: 1 patent in force now held by others · 37 lapsed for an unpaid fee · 35 ended at full term · 1 past the fee grace period. 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.

39 pending · 8 abandoned · 89 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