Granted Patent
Utility
US 6,573,586 · App. 10/081,537
Semiconductor device
Inventors:
Takeshi Sakata, Satoru Hanzawa, Hideyuki Matsuoka, Katsuro Watanabe, Kenchi Ito
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Feb 25, 2002
Inventors
Takeshi Sakata
Satoru Hanzawa
Hideyuki Matsuoka
Katsuro Watanabe
Kenchi Ito
Assignee (at issue)
HITACHI, 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.