Granted Patent
Utility
US 5,811,953 · App. 08/771,807
Motor driving circuit and method
Inventors:
Sumio Watanabe, Katsuhiro Maeda, Shuko Yamaji
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Dec 20, 1996
Inventors
Sumio Watanabe
Katsuhiro Maeda
Shuko Yamaji
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.