TDK-LAMBDA LTD
32Patents
30Active
32Granted
54Portfolio score
Filing activity: Jul 28, 2005 → Sep 1, 2017 · 12 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8369056B2 | Power supply control device, method for controlling power supply, program and power supply device | Electricity | 811 | Active |
| US7964300B2 | Battery pack | Emerging Cross-Sectional Technologies | 14 | Active |
| US8461807B2 | Battery protection circuit, method for protecting battery, power supply device and program | Emerging Cross-Sectional Technologies | 11 | Active |
| US7859226B2 | Method and device for safety protection of secondary battery | Emerging Cross-Sectional Technologies | 9 | Active |
| US8531841B2 | IC thermal management system | Electricity | 7 | Active |
| US8934267B2 | Loosely regulated feedback control for high efficiency isolated DC-DC converters | Emerging Cross-Sectional Technologies | 7 | Active |
| US8766546B2 | LED drive device and LED illuminating device | Emerging Cross-Sectional Technologies | 6 | Active |
| USD837154S1 | Power supply combined with dust filter | General | 5 | Active |
| US9119327B2 | Thermal management system and method | Emerging Cross-Sectional Technologies | 5 | Active |
| USD877074S1 | Power supply | General | 4 | Active |
| USD732471S1 | Power supply device | General | 4 | Active |
| US7620462B2 | Robust digital controller and its designing device | Electricity | 4 | Expired |
| US9520772B2 | Multi-level voltage regulator system | Emerging Cross-Sectional Technologies | 3 | Active |
| US9408327B2 | Thermal management system and method | Emerging Cross-Sectional Technologies | 3 | Active |
| USD813163S1 | Power supply | General | 3 | Active |
| US8929098B2 | DC-DC converter | Emerging Cross-Sectional Technologies | 3 | Active |
| USD837153S1 | Power supply combined with dust filter | General | 3 | Active |
| US8576582B2 | DC-DC converter | Electricity | 2 | Active |
| USD769820S1 | Power supply device | General | 2 | Active |
| US8749990B2 | Multiple-board power converter | Electricity | 2 | Active |
| US8604797B2 | Method for determining cell number, cell number determination device, power supply device and program | Emerging Cross-Sectional Technologies | 1 | Active |
| US8339228B2 | Edgewise coil and inductor | Electricity | 1 | Active |
| US10218265B2 | State space-based multi-level voltage regulator system | Emerging Cross-Sectional Technologies | 1 | Active |
| US10674626B2 | Scalable structure for connection of power supply units | Emerging Cross-Sectional Technologies | 1 | Active |
| USD837151S1 | Rectifier for power supply | General | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.