Optical Coupling in Touch-Sensing Systems
A patent family: one line of work, grouped by real continuity rather than by a technology label
inferred from titles. 5 of these applications claim priority to application PCT/EP2018/052757, filed Feb 5, 2018. A shared origin can cover several different claimed inventions, which is why members here may not share a title. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
| Patent | Title | Holder | Status | Expires | Time remaining | Confidence |
|---|---|---|---|---|---|---|
| US 10,963,104 | Optical Coupling in Touch-Sensing Systems In force · High confidence | Flatfrog Laboratories AB | In force | High confidence | ||
| US 11,474,644 | Optical Coupling in Touch-Sensing Systems In force · High confidence | Flatfrog Laboratories AB | In force | High confidence | ||
| US 11,740,741 | Optical Coupling in Touch-Sensing Systems In force · High confidence | Flatfrog Laboratories AB | In force | High confidence | ||
| US 12,175,044 | Optical Coupling in Touch-Sensing Systems In force · Medium confidence | Flatfrog Laboratories AB | In force | Medium confidence | ||
| US 12,524,117 | Optical Coupling in Touch-Sensing Systems In force · Medium confidence | Flatfrog Laboratories AB | In force | Medium confidence | ||
| Application 19/423,721 | Optical Coupling in Touch-Sensing Systems Pending Not granted | FlatFrog Laboratories AB | Pending | Not granted | not computed |
6 of 6 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
5 of these are in force and held by FlatFrog Laboratories AB.
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.