Granted Patent
Utility
US 6,716,730 · App. 10/339,602
Pattern formation method
Inventors:
Masayuki Endo, Masaru Sasago
Patented Case
View Patent ↗
Granted: Apr 6, 2004
Filed: Jan 10, 2003
Inventors
Masayuki Endo
Masaru Sasago
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.