Granted Patent
Utility
US 6,661,364 · App. 10/336,814
Semiconductor device for inverter controlling
Inventors:
Masaru Kohara, Koji Kawamichi
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Jan 6, 2003
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.