Granted Patent
Utility
US 6,653,731 · App. 09/784,490
Semiconductor device and method for fabricating same
Inventors:
Yoshimasa Kato, Masamoto Tago
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Feb 15, 2001
Inventors
Yoshimasa Kato
Masamoto Tago
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.