Granted Patent
Utility
US 6,479,998 · App. 09/863,007
Active shield type of elliptic cylinder-shaped gradient coil for magnetic resonance imaging
Inventors:
Masao Yui, Yoshitomo Sakakura
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: May 23, 2001
Inventors
Masao Yui
Yoshitomo Sakakura
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.