Granted Patent
Utility
US 6,061,391 · App. 08/942,977
Error indicator, and data modulator-demodulator and indicating method of light emitter therein
Inventors:
Junko Sasaki, Hiroshi Tanaka
Patented Case
View Patent ↗
Granted: May 9, 2000
Filed: Oct 2, 1997
Inventors
Junko Sasaki
Hiroshi Tanaka
Assignee (at issue)
Fujitsu Limited
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.