IXYS, LLC
🏢 View company profile →198Patents
119Active
198Granted
54Portfolio score
Filing activity: Mar 10, 1988 → Feb 21, 2018 · 24 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5596466A | Intelligent, isolated half-bridge power module | Electricity | 153 | Expired |
| US7442630B2 | Method for fabricating forward and reverse blocking devices | Electricity | 114 | Active |
| US5500616A | Overvoltage clamp and desaturation detection circuit | Electricity | 114 | Expired |
| US6323090A | Semiconductor device with trenched substrate and method | Electricity | 64 | Expired |
| US5424709A | Circuit for providing isolation between components of a power control system and for communicating power and data through the isolation media | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6731002B2 | High frequency power device with a plastic molded package and direct bonded substrate | Electricity | 44 | Expired |
| US6404065B1 | Electrically isolated power semiconductor package | Electricity | 42 | Expired |
| US5063307A | Insulated gate transistor devices with temperature and current sensor | Electricity | 38 | Expired |
| US7259623B2 | RF generator with reduced size and weight | Electricity | 37 | Expired |
| US4931844A | High power transistor with voltage, current, power, resistance, and temperature sensing capability | Electricity | 34 | Expired |
| US4860072A | Monolithic semiconductor device and method of manufacturing same | Electricity | 33 | Expired |
| US5698454A | Method of making a reverse blocking IGBT | Electricity | 31 | Expired |
| US6107674A | Isolated multi-chip devices | Emerging Cross-Sectional Technologies | 28 | Expired |
| US8455987B1 | Electrically isolated power semiconductor package with optimized layout | Electricity | 28 | Active |
| US6638808B1 | Method of manufacturing gate driver with level shift circuit | Electricity | 26 | Expired |
| US6683344B2 | Rugged and fast power MOSFET and IGBT | Electricity | 26 | Expired |
| US6759692B1 | Gate driver with level shift circuit | Electricity | 25 | Expired |
| US5237481A | Temperature sensing device for use in a power transistor | Emerging Cross-Sectional Technologies | 25 | Expired |
| US8264171B1 | In-situ LED junction temperature monitoring using LED as temperature sensor | Electricity | 24 | Active |
| US4835592A | Semiconductor wafer with dice having briding metal structure and method of manufacturing same | Electricity | 23 | Expired |
| US6162665A | High voltage transistors and thyristors | Emerging Cross-Sectional Technologies | 22 | Expired |
| US9054587B2 | Non-isolated AC-to-DC converter having a low charging current initial power up mode | Electricity | 22 | Active |
| US8334451B2 | Discrete and integrated photo voltaic solar cells | Emerging Cross-Sectional Technologies | 19 | Active |
| US6091086A | Reverse blocking IGBT | Electricity | 19 | Expired |
| US5034796A | Simplified current sensing structure for MOS power devices | Electricity | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.