Granted Patent
Utility
US 6,756,850 · App. 10/147,065
High frequency power amplifier circuit
Inventors:
Kouichi Matsushita, Tomio Furuya, Fuminori Morisawa, Takayuki Tsutsui, Nobuhiro Matsudaira
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: May 17, 2002
Inventors
Kouichi Matsushita
Tomio Furuya
Fuminori Morisawa
Takayuki Tsutsui
Nobuhiro Matsudaira
Assignees (at issue)
Renesas Technology Corporation
Hitachi Communication Systems, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.