Granted Patent
Utility
US 6,770,034 · App. 10/174,979
Ultrasonic diagnostic apparatus
Inventors:
Kazuhiro Sunagawa, Yoshinao Tannaka, Hiroshi Kanai
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Jun 20, 2002
Inventors
Kazuhiro Sunagawa
Yoshinao Tannaka
Hiroshi Kanai
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.