Granted Patent
Utility
US 6,812,155 · App. 10/342,796
Pattern formation method
Inventor:
Masashi Fujimoto
Patented Case
View Patent ↗
Granted: Nov 2, 2004
Filed: Jan 15, 2003
Inventor
Masashi Fujimoto
Assignee (at issue)
NEC Electronics 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.