Granted Patent
Utility
US 6,563,981 · App. 10/066,234
Electromagnetic mode conversion in photonic crystal multimode waveguides
Inventors:
Ori Weisberg, Steven G. Johnson, John D. Joannopolous, Michael Shapiro, Yoel Fink, Mihai Ibanescu
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Jan 31, 2002
Inventors
Ori Weisberg
Steven G. Johnson
John D. Joannopolous
Michael Shapiro
Yoel Fink
Mihai Ibanescu
Assignee (at issue)
OmniGuide Communications
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.