Granted Patent
Utility
US 6,154,717 · App. 09/187,739
Computer simulation method of impurity with pileup phenomenon
Inventor:
Shigetaka Kumashiro
Patented Case
View Patent ↗
Granted: Nov 28, 2000
Filed: Nov 9, 1998
Inventor
Shigetaka Kumashiro
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.