Granted Patent
Utility
US 6,792,889 · App. 10/353,760
Plasma processing apparatus and method capable of performing uniform plasma treatment by control of excitation power
Inventors:
Akira Nakano, Tadahiro Ohmi
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Jan 28, 2003
Inventors
Akira Nakano
Tadahiro Ohmi
Assignees (at issue)
ALPS ELECTRIC CO., LTD.
Tadahiro Ohmi
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.