Granted Patent
Utility
US 6,667,193 · App. 10/108,439
Semiconductor device and a method of manufacturing the same
Inventors:
Takao Matsuura, Yoshihiko Yamaguchi, Shouichi Kobayashi, Kouji Tsuchiya
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Mar 29, 2002
Inventors
Takao Matsuura
Yoshihiko Yamaguchi
Shouichi Kobayashi
Kouji Tsuchiya
Assignees (at issue)
HITACHI, LTD.
Hitachi Yonezawa Electronics Co., Ltd
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.