Granted Patent
Utility
US 6,531,773 · App. 09/930,942
Semiconductor device
Inventors:
Hirotaka Nishizawa, Masachika Masuda, Kouichi Kanemoto, Tamaki Wada
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Aug 17, 2001
Inventors
Hirotaka Nishizawa
Masachika Masuda
Kouichi Kanemoto
Tamaki Wada
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.