Interactive Whiteboard System and Whiteboard Writing Instrument Thereof
A patent family: one line of work, grouped by real continuity rather than by a technology label
inferred from titles. 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 9,195,324 | Interactive Whiteboard System and Whiteboard Writing Instrument Thereof In force · High confidence | Delta Electronics, Inc. | In force | High confidence | ||
| US 9,213,225 | Polarization Converter for Use in a Projector Apparatus and Projector Apparatus Comprising the Polarization Converter In force · High confidence | Delta Electronics, Inc. | In force | High confidence | ||
| US 9,261,703 | Multi-View Autostereoscopic Display In force · High confidence | Delta Electronics, Inc. | In force | High confidence | ||
| US 8,888,292 | Projection Apparatus for Providing Multiple Viewing Angle Images In force · High confidence | Delta Electronics, Inc. | In force | High confidence | ||
| US 9,667,950 | Image Projecting System and Synchronization Method Thereof In force · High confidence | Delta Electronics, Inc. | In force | High confidence | ||
| US 8,820,942 | Light Dividing Structure and Optical Machine System Comprising the Same Lapsed Sep 2, 2022 on the fee record Ended Sep 2, 2022 · High confidence | Delta Electronics, Inc. | Lapsed Sep 2, 2022 on the fee record | Ended Sep 2, 2022 | Ended Sep 2, 2022 | High confidence |
| Application 13/535,586 | Dual-Channel Three-Dimension Projector Abandoned Abandoned Dec 17, 2015 | Delta Electronics, Inc. | Abandoned | Abandoned Dec 17, 2015 | not computed | |
| Application 14/687,109 | Dual-Channel Three-Dimension Projector Abandoned Abandoned Jun 1, 2018 | Delta Electronics, Inc. | Abandoned | Abandoned Jun 1, 2018 | not computed |
8 of 8 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 Delta Electronics, Inc..
Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 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.