Granted Patent
Utility
US 6,344,719 · App. 09/782,244
Motor driving apparatus for controlling plurality of motors with less motor driving units than motors
Inventors:
Ken Shibazaki, Masaaki Tanaka, Toshiyuki Hoshi, Satoshi Terashita, Ken Mizuta
Patented Case
View Patent ↗
Granted: Feb 5, 2002
Filed: Feb 13, 2001
Inventors
Ken Shibazaki
Masaaki Tanaka
Toshiyuki Hoshi
Satoshi Terashita
Ken Mizuta
Assignee (at issue)
ALPS ELECTRIC CO., 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.