Granted Patent
Utility
US 5,404,079 · App. 08/097,230
Plasma generating apparatus
Inventors:
Mitsuhiro Ohkuni, Masafumi Kubota, Noboru Nomura, Ichiro Nakayama, Tokuhiko Tamaki
Patented Case
View Patent ↗
Granted: Apr 4, 1995
Filed: Jul 27, 1993
Inventors
Mitsuhiro Ohkuni
Masafumi Kubota
Noboru Nomura
Ichiro Nakayama
Tokuhiko Tamaki
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.