Granted Patent
Utility
US 6,791,733 · App. 10/092,628
Resonance type optical modulator using symmetric or asymmetric electrode
Inventors:
Tetsuya Kawanishi, Masayuki Izutsu, Kenichi Kubodera
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Mar 8, 2002
Inventors
Tetsuya Kawanishi
Masayuki Izutsu
Kenichi Kubodera
Assignees (at issue)
National Institute of Information and Communications Technology
SUMITOMO OSAKA CEMENT CO., 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.