Granted Patent
Utility
US 6,545,360 · App. 09/657,839
Semiconductor device and manufacturing method thereof
Inventors:
Hiroaki Ohkubo, Takehiko Hamada, Takeo Matsuki
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Sep 7, 2000
Inventors
Hiroaki Ohkubo
Takehiko Hamada
Takeo Matsuki
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.