Granted Patent
Utility
US 6,759,754 · App. 10/240,111
Semiconductor device and its manufacturing method
Inventors:
Hirotaka Nishizawa, Hideki Tanaka, Yuichiro Yamada, Tomoaki Kudaishi, Akira Katsumata
Patented Case
View Patent ↗
Granted: Jul 6, 2004
Filed: Sep 27, 2002
Inventors
Hirotaka Nishizawa
Hideki Tanaka
Yuichiro Yamada
Tomoaki Kudaishi
Akira Katsumata
Assignees (at issue)
Renesas Technology Corporation
Hitachi Ulsi Systems Co., Ltd.
SANWA DENKI KOGYO 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.