Granted Patent
Utility
US 6,266,255 · App. 09/592,490
Efficient power supply with small transformers
Inventor:
Junichi Kobayashi
Patented Case
View Patent ↗
Granted: Jul 24, 2001
Filed: Jun 12, 2000
Inventor
Junichi Kobayashi
Assignee (at issue)
NEC 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.