Granted Patent
Utility
US 6,337,563 · App. 09/769,240
DC-DC converter and semicondutor integrated circuit device for DC-DC converter
Inventors:
Kyuichi Takimoto, Toshiyuki Matsuyama, Yoshihiro Nagaya
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Jan 26, 2001
Inventors
Kyuichi Takimoto
Toshiyuki Matsuyama
Yoshihiro Nagaya
Assignee (at issue)
Fujitsu Limited
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.