Linear Technology Holding LLC
719Patents
406Active
719Granted
57Portfolio score
Filing activity: Apr 16, 1976 → Jul 22, 2019 · 142 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6166527A | Control circuit and method for maintaining high efficiency in a buck-boost switching regulator | Electricity | 449 | Expired |
| US5481178A | Control circuit and method for maintaining high efficiency over broad current ranges in a switching regulator circuit | Emerging Cross-Sectional Technologies | 356 | Expired |
| US6580258B2 | Control circuit and method for maintaining high efficiency over broad current ranges in a switching regulator circuit | Emerging Cross-Sectional Technologies | 313 | Expired |
| US4920016A | Liposomes with enhanced circulation time | Emerging Cross-Sectional Technologies | 288 | Expired |
| US5994885A | Control circuit and method for maintaining high efficiency over broad current ranges in a switching regulator circuit | Emerging Cross-Sectional Technologies | 228 | Expired |
| US6304066A | Control circuit and method for maintaining high efficiency over broad current ranges in a switching regular circuit | Emerging Cross-Sectional Technologies | 210 | Expired |
| US5723970A | Battery charging circuitry having supply current regulation | Emerging Cross-Sectional Technologies | 207 | Expired |
| US6411531B1 | Charge pump DC/DC converters with reduced input noise | Electricity | 145 | Expired |
| US5581252A | Analog-to-digital conversion using comparator coupled capacitor digital-to-analog converters | Electricity | 138 | Expired |
| US6724174B1 | Adjustable minimum peak inductor current level for burst mode in current-mode DC-DC regulators | Emerging Cross-Sectional Technologies | 132 | Expired |
| US5731694A | Control circuit and method for maintaining high efficiency over broard current ranges in a switching regulator circuit | Emerging Cross-Sectional Technologies | 129 | Expired |
| US7030596B1 | Methods and circuits for programmable automatic burst mode control using average output current | Emerging Cross-Sectional Technologies | 127 | Expired |
| US5396245A | Digital to analog converter | Electricity | 122 | Expired |
| US6498466B1 | Cancellation of slope compensation effect on current limit | Electricity | 122 | Expired |
| US5548189A | Fluorescent-lamp excitation circuit using a piezoelectric acoustic transformer and methods for using same | Emerging Cross-Sectional Technologies | 120 | Expired |
| US6307356A | Voltage mode feedback burst mode circuit | Electricity | 111 | Expired |
| US5552695A | Synchronously rectified buck-flyback DC to DC power converter | Emerging Cross-Sectional Technologies | 110 | Expired |
| US6476589B2 | Circuits and methods for synchronizing non-constant frequency switching regulators with a phase locked loop | Electricity | 108 | Expired |
| US4823070A | Switching voltage regulator circuit | Emerging Cross-Sectional Technologies | 106 | Expired |
| US5408150A | Circuit for driving two power mosfets in a half-bridge configuration | Electricity | 105 | Expired |
| US6038400A | Self-configuring interface circuitry, including circuitry for identifying a protocol used to send signals to the interface circuitry, and circuitry for receiving the signals using the identified protocol | Physics | 104 | Expired |
| US6144194A | Polyphase synchronous switching voltage regulators | Emerging Cross-Sectional Technologies | 103 | Expired |
| US4812961A | Charge pump circuitry having low saturation voltage and current-limited switch | Electricity | 101 | Expired |
| US6674274B2 | Multiple phase switching regulators with stage shedding | Emerging Cross-Sectional Technologies | 100 | Expired |
| US5305192A | Switching regulator circuit using magnetic flux-sensing | Electricity | 97 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.