Granted Patent
Utility
US 6,452,539 · App. 09/730,424
Apparatus and method for controlling radiation of electric waves
Inventors:
Hironori Katou, Shuji Kawabata, Hiroki Kumagai
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Dec 5, 2000
Inventors
Hironori Katou
Shuji Kawabata
Hiroki Kumagai
Assignee (at issue)
NEC TOSHIBA SPACE SYSTEMS, 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.