Granted Patent
Utility
US 6,548,815 · App. 09/542,909
Planar type radiation detector
Inventor:
Hiroko Umazaki
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Apr 4, 2000
Inventor
Hiroko Umazaki
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.