Granted Patent
Utility
US 6,663,796 · App. 09/391,160
Electrical conducting polymer, solid electrolytic capacitor and manufacturing method thereof
Inventors:
Hideki Ohata, Koro Shirane, Ryuji Monden, Atsushi Sakai
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Sep 8, 1999
Inventors
Hideki Ohata
Koro Shirane
Ryuji Monden
Atsushi Sakai
Assignee (at issue)
Showa Denko K.K.
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.