Granted Patent
Utility
US 6,821,361 · App. 10/130,711
Quantitative measuring method and apparatus of metal phase using x-ray diffraction method, and method for making plated steel sheet using them
Inventors:
Toru Fujimura, Akira Yamamoto
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: May 22, 2002
Inventors
Toru Fujimura
Akira Yamamoto
Assignee (at issue)
JFE Steel 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.