Granted Patent
Utility
US 6,787,451 · App. 10/216,792
Semiconductor device and manufacturing method thereof
Inventors:
Yasuhiro Shimamoto, Katsunori Obata, Kazuyoshi Torii, Masahiko Hiratani
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Aug 13, 2002
Inventors
Yasuhiro Shimamoto
Katsunori Obata
Kazuyoshi Torii
Masahiko Hiratani
Assignee (at issue)
Renesas Technology 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.