Granted Patent
Utility
US 6,751,422 · App. 09/767,209
Spatial light communication equipment comprising angle error detection and alignment units
Inventor:
Koichi Shiratama
Patented Case
View Patent ↗
Granted: Jun 15, 2004
Filed: Jan 22, 2001
Inventor
Koichi Shiratama
Assignee (at issue)
NEC TOSHIBA SPACE SYSTEMS, 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.