Granted Patent
Utility
US 6,673,019 · App. 09/772,900
Diagnostic ultrasound imaging based on rate subtraction imaging (RSI)
Inventor:
Naohisa Kamiyama
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Jan 31, 2001
Inventor
Naohisa Kamiyama
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.