Granted Patent
Utility
US 6,483,721 · App. 09/772,453
Resonant power converter
Inventor:
Hiroto Terashi
Patented Case
View Patent ↗
Granted: Nov 19, 2002
Filed: Jan 29, 2001
Inventor
Hiroto Terashi
Assignee (at issue)
Densei Lambda 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.