Cree's Doherty amplifier-based patents may be licensed for the manufacture and sale of Doherty-based amplifier products. The US patents included in this license are listed in the table below; foreign counterparts are also included. Contact Cree at firstname.lastname@example.org for further information.
|Patent No. or Publication No.||Issue Date||Full Title|
|US # 6,737,922||May 18, 2004||N-way RF power amplifier circuit with increased back-off capability and power added efficiency using unequal input power division|
|US # 6,791,417||September 14, 2004||N-way RF power amplifier circuit with increased back-off capability and power added efficiency using selected phase lengths and output impedances|
|US # 6,700,444||March 2, 2004||N-way RF power amplifier with increased backoff power and power added efficiency|
|US # 7,764,120||July 27, 2010||Integrated circuit with parallel sets of transistor amplifiers having different turn on power levels|
|US # 7,193,473||March 20, 2007||High power Doherty amplifier using multi-stage modules|
|US # 6,798,295||September 28, 2004||Single package multi-chip RF power amplifier|