Granted Patent
Utility
US 6,727,583 · App. 10/093,639
Semiconductor device
Inventors:
Yasuhiro Naka, Naotaka Tanaka, Ikuo Yoshida, Satoshi Imasu, Takahiro Naito
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Mar 7, 2002
Inventors
Yasuhiro Naka
Naotaka Tanaka
Ikuo Yoshida
Satoshi Imasu
Takahiro Naito
Assignee (at issue)
HITACHI, 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.