Granted Patent
Utility
US 6,573,849 · App. 09/987,561
Semiconductor device having a plurality of AD converters for inverter control of a motor and method thereof
Inventors:
Masaru Kohara, Koji Kawamichi
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Nov 15, 2001
Inventors
Masaru Kohara
Koji Kawamichi
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.