Granted Patent
Utility
US 6,046,467 · App. 08/667,196
Semiconductor device having capacitor
Inventors:
Koji Arita, Akihiro Matsuda, Yoshihisa Nagano, Toru Nasu, Eiji Fujii
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Jun 20, 1996
Inventors
Koji Arita
Akihiro Matsuda
Yoshihisa Nagano
Toru Nasu
Eiji Fujii
Assignee (at issue)
Matsushita Electronics Corporation
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.