Granted Patent
Utility
US 6,738,413 · App. 09/557,422
Code generator, communication unit using the code generator, communication system, and code generation method
Inventor:
Shingo Karino
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Apr 21, 2000
Inventor
Shingo Karino
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.