Granted Patent
Utility
US 6,824,670 · App. 09/890,097
Sample discriminating method
Inventors:
Hiroyuki Tokunaga, Shoji Miyazaki, Hideyuki Baba, Yoichi Inoue, Kazuo Iketaki, Katsumi Hamamoto
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Oct 29, 2001
Inventors
Hiroyuki Tokunaga
Shoji Miyazaki
Hideyuki Baba
Yoichi Inoue
Kazuo Iketaki
Katsumi Hamamoto
Assignees (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
ARKRAY, 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.