Granted Patent
Utility
US 6,686,663 · App. 10/194,224
Semiconductor device and a method of manufacturing the same
Inventors:
Masachika Masuda, Toshihiko Usami
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Jul 15, 2002
Inventors
Masachika Masuda
Toshihiko Usami
Assignees (at issue)
HITACHI, LTD.
Akita Electronics 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.