Granted Patent
Utility
US 5,940,280 · App. 09/056,726
Converter circuit of battery charger for electric vehicle
Inventors:
Yasumasa Murai, Hiroki Nishimura, Katsunori Sugimori
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Apr 8, 1998
Inventors
Yasumasa Murai
Hiroki Nishimura
Katsunori Sugimori
Assignee (at issue)
Nippon Electric Industry 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.