Granted Patent
Utility
US 6,236,133 · App. 09/533,859
Three-phase brushless motor
Inventors:
Yoshihito Nishikawa, Mitsuhiko Matsushita
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Mar 24, 2000
Inventors
Yoshihito Nishikawa
Mitsuhiko Matsushita
Assignee (at issue)
DENSO CORPORATION
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.