Granted Patent
Utility
US 6,046,490 · App. 09/132,023
Semiconductor device having a capacitor dielectric element and wiring layers
Inventors:
Koji Arita, Eiji Fujii, Yasuhiro Uemoto, Yoshihisa Nagano, Akihiro Matsuda
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Aug 10, 1998
Inventors
Koji Arita
Eiji Fujii
Yasuhiro Uemoto
Yoshihisa Nagano
Akihiro Matsuda
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.