Granted Patent
Utility
US 5,406,589 · App. 07/909,712
Fractionally spaced cross-polarization interference canceller
Inventors:
Takanori Iwamatsu, Toshiyuki Takizawa, Kenzo Kobayashi, Yoshihito Aono
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Jul 7, 1992
Inventors
Takanori Iwamatsu
Toshiyuki Takizawa
Kenzo Kobayashi
Yoshihito Aono
Assignee (at issue)
Fujitsu Limited
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.