Granted Patent
Utility
US 5,969,910 · App. 08/858,240
Magnetic head and magnetic disk apparatus provided therewith
Inventors:
Takao Imagawa, Shigeru Tadokoro, Yasunari Tajima, Hiroshi Kamio
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: May 19, 1997
Inventors
Takao Imagawa
Shigeru Tadokoro
Yasunari Tajima
Hiroshi Kamio
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.