Granted Patent
Utility
US 5,691,906 · App. 08/560,690
Method of management of a production line and a system for use in the management
Inventors:
Takako Togashi, Yukihiro Muraoka
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Nov 20, 1995
Inventors
Takako Togashi
Yukihiro Muraoka
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.