Granted Patent
Utility
US 6,549,484 · App. 09/964,669
Semiconductor device
Inventors:
Sadayuki Morita, Takeshi Sakata, Satoru Hanzawa, Takahiro Sonoda, Haruko Tadokoro, Hiroshi Ichikawa, Osamu Nagashima
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Sep 28, 2001
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.