Granted Patent
Utility
US 5,994,212 · App. 08/891,804
Semiconductor device and method of manufacturing the same
Inventors:
Sadayoshi Arakawa, Seiichi Ito, Kenichi Nishiyama, Koei Maruyama
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Jul 14, 1997
Inventors
Sadayoshi Arakawa
Seiichi Ito
Kenichi Nishiyama
Koei Maruyama
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.