Granted Patent
Utility
US 6,747,823 · App. 10/033,181
Method of demagnetizing and transferring magnetization in a magnetic recording medium, and device thereof
Inventors:
Akira Saito, Kiminori Sato, Eiichi Yonezawa
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: Oct 23, 2001
Inventors
Akira Saito
Kiminori Sato
Eiichi Yonezawa
Assignee (at issue)
FUJI ELECTRIC 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.