Granted Patent
Utility
US 6,352,509 · App. 09/441,300
Three-dimensional ultrasonic diagnosis apparatus
Inventors:
Tetsuya Kawagishi, Naohisa Kamiyama
Patented Case
View Patent ↗
Granted: Mar 5, 2002
Filed: Nov 16, 1999
Inventors
Tetsuya Kawagishi
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.