Techwin Co., Ltd.
Held is read from USPTO's recorded assignments; a transfer never recorded there does not appear.
28
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.
- 2 fees due Dec 11 to 18, 2026 · next Dec 11
- 1 fee due May 26, 2027The maintenance fee for Diamond electrode and method of manufacturing the same (US 10,487,396) comes due May 26, 2027. Unpaid by Nov 26, 2027, it lapses early.
- 1 fee due Jun 3, 2027The maintenance fee for Electrolysis module (US 10,494,275) comes due Jun 3, 2027. Unpaid by Dec 3, 2027, it lapses early.
- 1 fee due Jul 30, 2027The maintenance fee for Electrode Structure for Electrolyzer (US 11,885,033) comes due Jul 30, 2027. Unpaid by Jan 31, 2028, it lapses early.
- 1 fee due Aug 4, 2027The maintenance fee for Pipe-type electrolysis cell (US 10,550,485) comes due Aug 4, 2027. Unpaid by Feb 4, 2028, it lapses early.
Recent changes
- 3 of the patents on this record were 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,898,271 | Position changing apparatus for test handler and power transferring apparatus In force · From the USPTO record | In force | From the USPTO record | |
| US 7,723,981 | Method for transferring test trays in a side-docking type test handler In force · From the USPTO record | In force | From the USPTO record | |
| US 7,656,150 | Test handler and loading method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 8,013,620 | Test handler and loading method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,667,453 | Test tray for test handler In force · From the USPTO record | In force | From the USPTO record | |
| US 7,923,989 | Test handler In force · From the USPTO record | In force | From the USPTO record | |
| US 7,538,542 | Test handler and operation method thereof In force · From the USPTO record | In force | From the USPTO record | |
| US 7,557,564 | Test handler comprising at least one opening unit opening one part of the plurality of inserts In force · From the USPTO record | In force | From the USPTO record | |
| US 8,026,735 | Test handler In force · From the USPTO record | In force | From the USPTO record | |
| US 8,653,845 | Test handler and method for operating the same for testing semiconductor devices In force · From the USPTO record | In force | From the USPTO record |
Also on record, not counted in the 53: 5 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.
5 pending · 4 no status recorded