Granted Patent
Utility
US 6,713,397 · App. 09/942,224
Manufacturing method of semiconductor device
Inventor:
Yasutaka Kobayashi
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Aug 30, 2001
Inventor
Yasutaka Kobayashi
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., 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.