Granted Patent
Utility
US 6,709,632 · App. 09/861,303
ICP analyzer
Inventors:
Yoshitomi Nakagawa, Yasuyuki Takagi
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: May 18, 2001
Inventors
Yoshitomi Nakagawa
Yasuyuki Takagi
Assignee (at issue)
SII NanoTechnology Inc.
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.