Granted Patent
Utility
US 6,160,367 · App. 09/347,414
Apparatus and method for driving motor
Inventors:
Mitsuhide Higashi, Kiyoshi Sano, Masanori Ogawa
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Jul 6, 1999
Inventors
Mitsuhide Higashi
Kiyoshi Sano
Masanori Ogawa
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.