Granted Patent
Utility
US 6,436,049 · App. 09/583,572
Three-dimensional ultrasound diagnosis based on contrast echo technique
Inventors:
Naohisa Kamiyama, Yoichi Ogasawara
Patented Case
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Granted: Aug 20, 2002
Filed: May 31, 2000
Inventors
Naohisa Kamiyama
Yoichi Ogasawara
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.