Granted Patent
Utility
US 6,137,447 · App. 08/721,949
Antenna for reader/writer
Inventors:
Shoshichi Saitoh, Masahiro Fujimoto, Katsuhisa Orihara, Susumu Yanagibori
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Sep 27, 1996
Inventors
Shoshichi Saitoh
Masahiro Fujimoto
Katsuhisa Orihara
Susumu Yanagibori
Assignee (at issue)
Sony Chemicals Corporation
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.