Granted Patent
Utility
US 6,477,232 · App. 10/005,815
Rotary-anode-type X-ray tube
Inventor:
Yukinari Yoshida
Patented Case
View Patent ↗
Granted: Nov 5, 2002
Filed: Dec 7, 2001
Inventor
Yukinari Yoshida
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.