Assignee
OPHIR RF INC
US·12 granted patents·238 citations·filing 1997–2021
Top patents by PatentIndex Score
12 records- 0193US6362690B1System and method for closed loop VSWR correction and tuning in RF power amplifiersOPHIR RF INC·Filed 2000·Granted Mar 26, 2002·70 cites·6 claims
- 0283US6188210B1Methods and apparatus for soft start and soft turnoff of linear voltage regulatorsOPHIR RF INC·Filed 2000·Granted Feb 13, 2001·45 cites·15 claims
- 0379US5808512AFeed forward amplifiers and methodsOPHIR RF INC·Filed 1997·Granted Sep 15, 1998·56 cites·20 claims
- 0467US6597244B2System and method for closed loop VSWR correction and tuning in RF power amplifiersOPHIR RF INC·Filed 2002·Granted Jul 22, 2003·12 cites·15 claims
- 0564US6486749B1Four-way power combiner/splitterOPHIR RF INC·Filed 2000·Granted Nov 26, 2002·10 cites·6 claims
- 0663US6075412ALinearization for power amplifiersOPHIR RF INC·Filed 1998·Granted Jun 13, 2000·28 cites·8 claims
- 0759US6359324B1Push-pull configurations for semiconductor device having a pn-junction with a photosensitive regionOPHIR RF INC·Filed 2000·Granted Mar 19, 2002·7 cites·12 claims
- 0855US6479846B2Metal oxide semiconductor field effect transistor having a relatively high doped region in the channel for improved linearityOPHIR RF INC·Filed 2000·Granted Nov 12, 2002·7 cites·19 claims
- 0954US11018641B2Power combiner circuitOPHIR RF INC·Filed 2019·Granted May 25, 2021·1 cites·33 claims
- 1053US11750161B2Microwave and radio frequency (RF) power electronics system having power combiner circuitOPHIR RF INC·Filed 2021·Granted Sep 5, 2023·0 cites·32 claims
- 1147US6410970B1Semiconductor device having a P-N junction with a photosensitive regionOPHIR RF INC·Filed 2000·Granted Jun 25, 2002·2 cites·30 claims
- 1240US6800915B2Push-pull configurations for semiconductor device having a PN-Junction with a photosensitive regionOPHIR RF INC·Filed 2002·Granted Oct 5, 2004·0 cites·17 claims
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