Granted Patent
Utility
US 6,788,560 · App. 08/806,674
Semiconductor device and process for manufacturing the same
Inventors:
Toshio Sugano, Seiichiro Tsukui, Kensuke Tsuneda
Patented Case
View Patent ↗
Granted: Sep 7, 2004
Filed: Feb 26, 1997
Inventors
Toshio Sugano
Seiichiro Tsukui
Kensuke Tsuneda
Assignees (at issue)
HITACHI, LTD.
Hitachi Tohbu Semiconductor, 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.