Granted Patent
Utility
US 6,791,173 · App. 10/441,123
Semiconductor device and its manufacturing method
Inventor:
Toru Saga
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: May 20, 2003
Inventor
Toru Saga
Assignees (at issue)
HITACHI, LTD.
Akita Electronics Systems 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.