Granted Patent
Utility
US 6,498,090 · App. 09/775,474
Semiconductor devices and methods for manufacturing the same
Inventor:
Yukio Morozumi
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Feb 3, 2001
Inventor
Yukio Morozumi
Assignee (at issue)
SEIKO EPSON 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.