Granted Patent
Utility
US 6,671,165 · App. 09/652,063
Electric double layer capacitor and production method thereof
Inventors:
Yutaka Nakazawa, Koji Sakata, Kazuya Mimura, Takashi Yasuda
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Aug 31, 2000
Inventors
Yutaka Nakazawa
Koji Sakata
Kazuya Mimura
Takashi Yasuda
Assignee (at issue)
NEC TOKIN 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.