Granted Patent
Utility
US 5,831,317 · App. 08/941,218
Semiconductor device and manufacture thereof
Inventor:
Takaaki Shimazaki
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: Oct 1, 1997
Inventor
Takaaki Shimazaki
Assignee (at issue)
Matsushita Electronics 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.