Granted Patent
Utility
US 6,365,287 · App. 09/487,172
Magnetic recording media and magnetic storage device
Inventors:
Nobuyuki Inaba, Tomoo Yamamoto, Teruaki Takeuchi, Masukazu Igarashi, Yoshio Takahashi
Patented Case
View Patent ↗
Granted: Apr 2, 2002
Filed: Jan 19, 2000
Inventors
Nobuyuki Inaba
Tomoo Yamamoto
Teruaki Takeuchi
Masukazu Igarashi
Yoshio Takahashi
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.