Granted Patent
Utility
US 5,439,765 · App. 08/291,835
Photomask for semiconductor integrated circuit device
Inventor:
Hiroshi Nozue
Patented Case
View Patent ↗
Granted: Aug 8, 1995
Filed: Aug 17, 1994
Inventor
Hiroshi Nozue
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.