Granted Patent
Utility
US 6,428,206 · App. 09/502,000
X-ray diagnostic imaging apparatus
Inventor:
Naoto Watanabe
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Feb 11, 2000
Inventor
Naoto Watanabe
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.