Granted Patent
Utility
US 6,424,590 · App. 10/023,891
Semiconductor device
Inventors:
Binhaku Taruishi, Hiroki Miyashita, Ken Shibata, Masashi Horiguchi
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Dec 21, 2001
Inventors
Binhaku Taruishi
Hiroki Miyashita
Ken Shibata
Masashi Horiguchi
Assignees (at issue)
HITACHI, LTD.
Hitachi Device Engineering 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.