Granted Patent
Utility
US 6,288,977 · App. 09/512,288
Time signal repeater and time correction system using the same
Inventors:
Shinya Yoshida, Masahiro Tanoguchi, Kenichi Nemoto, Akinari Takada, Kenji Fujita, Masahiro Sase
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Feb 24, 2000
Inventors
Shinya Yoshida
Masahiro Tanoguchi
Kenichi Nemoto
Akinari Takada
Kenji Fujita
Masahiro Sase
Assignees (at issue)
Rhythm Watch Co., Ltd.
CITIZEN WATCH 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.