Granted Patent
Utility
US 6,809,000 · App. 09/797,987
Semiconductor device and method for fabricating the same
Inventors:
Keisaku Nakao, Akihiro Matsuda, Yasufumi Izutsu, Toyoji Ito, Takumi Mikawa, Toru Nasu, Yoshihisa Nagano, Keisuke Tanaka, Toshie Kutsunai
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Mar 5, 2001
Inventors
Keisaku Nakao
Akihiro Matsuda
Yasufumi Izutsu
Toyoji Ito
Takumi Mikawa
Toru Nasu
Yoshihisa Nagano
Keisuke Tanaka
Toshie Kutsunai
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.