Granted Patent
Utility
US 6,700,515 · App. 10/374,199
Digitizer apparatus and semiconductor testing apparatus
Inventor:
Koji Asami
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Feb 26, 2003
Inventor
Koji Asami
Assignee (at issue)
Advantest Corporation
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.