Granted Patent
Utility
US 6,735,010 · App. 10/369,546
Resonator-type semiconductor optical modulator with asymmetrical electrode structure
Inventors:
Tetsuya Kawanishi, Masayuki Izutsu
Patented Case
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Granted: May 11, 2004
Filed: Feb 21, 2003
Inventors
Tetsuya Kawanishi
Masayuki Izutsu
Assignee (at issue)
Communications Research Laboratory, Independent Administrative Institution
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.