Granted Patent
Utility
US 6,567,299 · App. 09/989,155
Magnetic memory device and magnetic substrate
Inventors:
Tatsuya Kunikiyo, Katsumi Eikyu, Shigenobu Maeda
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: Nov 21, 2001
Inventors
Tatsuya Kunikiyo
Katsumi Eikyu
Shigenobu Maeda
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.