Granted Patent
Utility
US 5,886,890 · App. 08/881,205
Power-supply system involving system interconnection
Inventors:
Takeo Ishida, Ryuzo Hagiwara, Shinichi Kozuma, Hitoshi Kishi
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: Jun 24, 1997
Inventors
Takeo Ishida
Ryuzo Hagiwara
Shinichi Kozuma
Hitoshi Kishi
Assignee (at issue)
SANYO ELECTRIC 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.