Granted Patent
Utility
US 6,324,032 · App. 09/307,458
Magnetic recording medium having linear or curved tracking servo patterns formed obliquely relative to direction of tracks, and magnetic recording apparatus using the same
Inventors:
Yoshinori Ohtsuka, Yoshifumi Mizoshita, Takao Koshikawa, Hiroshi Maeda
Patented Case
View Patent ↗
Granted: Nov 27, 2001
Filed: May 7, 1999
Inventors
Yoshinori Ohtsuka
Yoshifumi Mizoshita
Takao Koshikawa
Hiroshi Maeda
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.