Granted Patent
Utility
US 6,692,849 · App. 09/956,036
Magnetic recording medium comprising spindle-shaped ferromagnetic metal particles
Inventors:
Hiroaki Araki, Mikio Ohno, Toshichika Aoki
Patented Case
View Patent ↗
Granted: Feb 17, 2004
Filed: Sep 20, 2001
Inventors
Hiroaki Araki
Mikio Ohno
Toshichika Aoki
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.