Granted Patent
Utility
US 6,711,035 · App. 10/104,079
Switching power supply
Inventor:
Satoshi Tomioka
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Mar 22, 2002
Inventor
Satoshi Tomioka
Assignee (at issue)
Densei-Lambda Kabushiki Kaisha
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.