EM-TECH Co., Ltd.
4 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.
1
Ending by 2030
Oct 2030
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 Jan 4 to 18, 2027 · next Jan 4
- 1 fee due Oct 16, 2027The maintenance fee for Wireless earbud having external ear contact point (US 11,962,965) comes due Oct 16, 2027. Unpaid by Apr 17, 2028, it lapses early.
Recent changes
- 1 of the patents on this record was granted since Aug 16, 2026
- 4 terms have 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.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,865,996 | Thermoelectric Generator Including Nanofibers In force · High confidence | In force | High confidence | |
| US 10,667,028 | Electric device including microspeaker module with vibration function and wearable acoustic transducer In force · From the USPTO record | In force | From the USPTO record | |
| US 10,251,000 | Hearing assistant device for informing about state of wearer In force · From the USPTO record | In force | From the USPTO record | |
| US 10,902,984 | Linear actuator having an elastic injection-molded frame In force · From the USPTO record | In force | From the USPTO record | |
| US 11,700,770 | Semiconductor with coaxial P-type and N-type material In force · From the USPTO record | In force | From the USPTO record | |
| US 11,363,370 | Receiver module integrated with duct In force · From the USPTO record | In force | From the USPTO record | |
| US 11,527,695 | Fiber Based Thermoelectric Device In force · High confidence | In force | High confidence | |
| US 11,962,965 | Wireless earbud having external ear contact point In force · From the USPTO record | In force | From the USPTO record | |
| US 11,564,026 | Earphone Having Pressure Equilibrium Structure In force · High confidence | In force | High confidence | |
| US 11,528,563 | Hybrid Receiver Having Fixing Bracket for Drivers In force · High confidence | In force | High confidence |
Also on record, not counted in the 25: 4 patents in force now held by others · 64 lapsed for an unpaid fee · 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.
5 pending · 35 no status recorded