Granted Patent
Utility
US 5,917,846 · App. 08/824,435
Optical Semiconductor device with carrier recombination layer
Inventor:
Takao Morimoto
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Mar 26, 1997
Inventor
Takao Morimoto
Assignee (at issue)
NEC CORPORATION
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.