Granted Patent
Utility
US 5,949,566 · App. 09/002,705
Optical transmitter
Inventor:
Isamu Takano
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Jan 5, 1998
Inventor
Isamu Takano
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.