Granted Patent
Utility
US 5,784,302 · App. 08/614,404
High speed point defect diffusion simulating method
Inventor:
Shigetaka Kumashiro
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Mar 12, 1996
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.