Granted Patent
Utility
US 5,869,397 · App. 08/006,309
Method of manufacturing semiconductor device
Inventor:
Kuniko Miyakawa
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Jan 13, 1998
Inventor
Kuniko Miyakawa
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.