Granted Patent
Utility
US 6,243,236 · App. 09/079,111
Magnetic disk apparatus
Inventors:
Jinzo Yamamoto, Masahiro Hasumi, Tomoji Sugawa
Patented Case
View Patent ↗
Granted: Jun 5, 2001
Filed: May 14, 1998
Inventors
Jinzo Yamamoto
Masahiro Hasumi
Tomoji Sugawa
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.