SKC Co., Ltd.
181 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.
2
Ending by 2030
Jan 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.
- 2 fees due Dec 4 to 11, 2026 · next Dec 4
- 2 fees due Mar 5, 2027
- 1 fee due May 19, 2027The maintenance fee for Method of preparing conductive magnetic composite sheet and antenna device (US 10,479,050) comes due May 19, 2027. Unpaid by Nov 19, 2027, it lapses early.
- 2 fees due Jun 5 to 26, 2027 · next Jun 5
- 2 fees due Sep 17 to 19, 2027 · next Sep 17
- 1 fee due Oct 14, 2027The maintenance fee for Antenna device and portable terminal comprising same (US 10,622,719) comes due Oct 14, 2027. Unpaid by Apr 14, 2028, it lapses early.
Recent changes
Nothing was recorded against this company's patents in the last 90 days.
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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,559,980 | Absorbent transfer for passive sampling badge In force · From the USPTO record | In force | From the USPTO record | |
| US 8,221,829 | Preparation of prussian blue coating film for electrochromic device In force · From the USPTO record | In force | From the USPTO record | |
| US 9,522,511 | Cut-out laminated sheet and preparation method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 9,745,437 | Method for the preparation of microcellular polyurethane elastomers In force · From the USPTO record | In force | From the USPTO record | |
| US 10,308,821 | Flame retardant polyurethane-urea hybrid coating agent composition containing expandable graphite and manufacturing method therefor In force · From the USPTO record | In force | From the USPTO record | |
| US 9,640,304 | Ceramic laminate sheet with flexibility and preparation method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 11,300,483 | Versatile passive air sampler In force · From the USPTO record | In force | From the USPTO record | |
| US 11,040,516 | Graphite sheet and method for manufacturing same In force · From the USPTO record | In force | From the USPTO record | |
| US 10,697,864 | Versatile passive air sampler In force · From the USPTO record | In force | From the USPTO record | |
| US 10,224,445 | Back Sheet, Method of Manufacturing the Same, Solar Cell Module Using the Same and Method of Manufacturing Solar Cell In force · High confidence | In force | High confidence |
Also on record, not counted in the 33: 181 patents in force now held by others · 13 lapsed for an unpaid fee · 95 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.
13 pending · 8 abandoned · 47 no status recorded