Granted Patent
Utility
US 6,586,922 · App. 09/821,395
Phase shift circuit and FM detector circuit
Inventors:
Takao Saeki, Hiroya Yamamoto, Takashi Iijima, Jun Suzuki, Masaki Kinoshita
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Mar 28, 2001
Inventors
Takao Saeki
Hiroya Yamamoto
Takashi Iijima
Jun Suzuki
Masaki Kinoshita
Assignee (at issue)
SANYO ELECTRIC CO., LTD.
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.