Granted Patent
Utility
US 6,335,901 · App. 09/531,467
Semiconductor device
Inventors:
Sadayuki Morita, Takeshi Sakata, Satoru Hanzawa, Takahiro Sonoda, Haruko Tadokoro, Hiroshi Ichikawa, Osamu Nagashima
Patented Case
View Patent ↗
Granted: Jan 1, 2002
Filed: Mar 20, 2000
Inventors
Sadayuki Morita
Takeshi Sakata
Satoru Hanzawa
Takahiro Sonoda
Haruko Tadokoro
Hiroshi Ichikawa
Osamu Nagashima
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.