Control Apparatus for Inhibiting Synchronous-Rectifier Switching Elements at Low Output Current in a Voltage Transforming Apparatus
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 7,773,399 | Control Apparatus for Inhibiting Synchronous-Rectifier Switching Elements at Low Output Current in a Voltage Transforming Apparatus In force · High confidence | Denso Corporation and Nippon Soken, Inc. | In force | High confidence | ||
| US 7,746,670 | Dual-Transformer Type of Dc-To-Dc Converter In force · High confidence | Denso Corporation and Nippon Soken, Inc. | In force | High confidence | ||
| US 8,390,410 | Electromagnetic Relay In force · High confidence | Nippon Soken, Inc., Denso Corporation and Anden Co., Ltd. | In force | High confidence | ||
| US 8,074,444 | Exhaust Emission Control Device Lapsed Dec 13, 2023 on the fee record Ended Dec 13, 2023 · High confidence | Nippon Soken, Inc. and Denso Corporation | Lapsed Dec 13, 2023 on the fee record | Ended Dec 13, 2023 | Ended Dec 13, 2023 | High confidence |
| US 8,536,872 | Apparatus for Estimating Charged State of On-Vehicle Battery Lapsed Sep 17, 2025 on the fee record Ended Sep 17, 2025 · High confidence | Nippon Soken, Inc. and Denso Corporation | Lapsed Sep 17, 2025 on the fee record | Ended Sep 17, 2025 | Ended Sep 17, 2025 | High confidence |
| Application 11/808,772 | Controller for ensuring start of operation of synchronous motor Abandoned Abandoned Sep 10, 2009 | Denso Corporation and Nippon Soken, Inc. | Abandoned | Abandoned Sep 10, 2009 | not computed | |
| Application 12/731,603 | Gas Concentration Detecting System and Gas Sensing Device Having the System Abandoned Abandoned Dec 29, 2014 | Nippon Soken, Inc. and Denso Corporation | Abandoned | Abandoned Dec 29, 2014 | not computed |
7 of 7 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
3 of these are in force and held by Nippon Soken, 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.