Granted Patent
Utility
US 6,320,359 · App. 09/671,646
DC-DC converter and controller for detecting a malfunction therein
Inventors:
Yoshihiro Nagaya, Koichi Inatomi, Toshiyuki Matsuyama
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Sep 28, 2000
Inventors
Yoshihiro Nagaya
Koichi Inatomi
Toshiyuki Matsuyama
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.