Granted Patent
Utility
US 6,509,108 · App. 09/812,187
Magnetic recording medium and a magnetic disc apparatus, with a CRP or CrMoP reinforcing coat layer
Inventors:
Chiaki Okuyama, Yuki Yoshida, Kenji Sato, Kiyoshi Yamaguchi, Yoshita Kitamoto
Patented Case
View Patent ↗
Granted: Jan 21, 2003
Filed: Mar 19, 2001
Inventors
Chiaki Okuyama
Yuki Yoshida
Kenji Sato
Kiyoshi Yamaguchi
Yoshita Kitamoto
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.