Granted Patent
Utility
US 6,375,827 · App. 09/497,644
Electrochemical treating method and apparatus
Inventors:
Tateki Kurosu, Shuhei Wakita, Miwako Nara, Shuji Nakamatsu, Yoshinori Nishiki
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Feb 3, 2000
Inventors
Tateki Kurosu
Shuhei Wakita
Miwako Nara
Shuji Nakamatsu
Yoshinori Nishiki
Assignee (at issue)
PERMELEC ELECTRODE LTD.
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.