Granted Patent
Utility
US 6,344,694 · App. 09/459,603
Semiconductor device and method for manufacturing same
Inventor:
Hiroshi Tsuda
Patented Case
View Patent ↗
Granted: Feb 5, 2002
Filed: Dec 13, 1999
Inventor
Hiroshi Tsuda
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.