Granted Patent
Utility
US 6,504,228 · App. 09/611,065
Semiconductor device and method for manufacturing the same
Inventor:
Shuji Sone
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Jul 6, 2000
Inventor
Shuji Sone
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.