Granted Patent
Utility
US 5,986,845 · App. 08/823,837
Apparatus for positioning magnetic head and method of the same
Inventors:
Takashi Yamaguchi, Katsuhiro Tsuneta, Katsumoto Onoyama, Tsuyoshi Arai, Yoshikatsu Fujii, Hidehiko Numasato, Yosuke Hamada, Masahito Kobayashi
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Mar 25, 1997
Inventors
Takashi Yamaguchi
Katsuhiro Tsuneta
Katsumoto Onoyama
Tsuyoshi Arai
Yoshikatsu Fujii
Hidehiko Numasato
Yosuke Hamada
Masahito Kobayashi
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.