Granted Patent
Utility
US 6,560,135 · App. 09/934,602
Magnetic semiconductor memory apparatus and method of manufacturing the same
Inventors:
Hideyuki Matsuoka, Takeshi Sakata, Katsuro Watanabe, Kiyoo Itoh
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Aug 23, 2001
Inventors
Hideyuki Matsuoka
Takeshi Sakata
Katsuro Watanabe
Kiyoo Itoh
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.