Granted Patent
Utility
US 6,079,186 · App. 08/472,596
Method of making vacuum-packaged, capacitor-grade tantalum powder
Inventors:
Ross W. Simon, Katsuo Iwabuchi, Hirobumi Ishikawa, Dieter Behrens
Patented Case
View Patent ↗
Granted: Jun 27, 2000
Filed: Jun 7, 1995
Inventors
Ross W. Simon
Katsuo Iwabuchi
Hirobumi Ishikawa
Dieter Behrens
Assignee (at issue)
H.C. STARCK INC.
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.