Granted Patent
Utility
US 6,285,074 · App. 09/761,572
Semiconductor device
Inventors:
Michiaki Sugiyama, Tamaki Wada, Masachika Masuda
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Jan 18, 2001
Inventors
Michiaki Sugiyama
Tamaki Wada
Masachika Masuda
Assignees (at issue)
HITACHI, LTD.
Hitachi Ulsi Systems 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.