Granted Patent
Utility
US 6,583,005 · App. 10/142,774
Method of manufacturing a semiconductor memory device with a buried bit line
Inventors:
Hiroshi Hashimoto, Koji Takahashi
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: May 13, 2002
Inventors
Hiroshi Hashimoto
Koji Takahashi
Assignee (at issue)
Fujitsu Limited
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.