Granted Patent
Utility
US 5,946,129 · App. 08/920,884
Wavelength conversion apparatus with improved efficiency, easy adjustability, and polarization insensitivity
Inventors:
Chang Xu, Hideaki Okayama, Keisuke Shinozaki
Patented Case
View Patent ↗
Granted: Aug 31, 1999
Filed: Aug 29, 1997
Inventors
Chang Xu
Hideaki Okayama
Keisuke Shinozaki
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.