Granted Patent
Utility
US 5,604,426 · App. 08/266,460
Electric apparatus with a power supply including an electric double layer capacitor
Inventors:
Michio Okamura, Takeshi Morimoto, Kazuya Hiratsuka
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Jun 27, 1994
Inventors
Michio Okamura
Takeshi Morimoto
Kazuya Hiratsuka
Assignees (at issue)
ASAHI GLASS CO., LTD.
Okamura Laboratory, Inc.
ELNA CO., 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.