Granted Patent
Utility
US 6,104,331 · App. 09/161,734
Reproduced signal processing method, reproduced signal processing circuit, and a magnetic storage apparatus
Inventors:
Yoshiteru Ishida, Naoki Satoh, Terumi Takashi, Akihiko Hirano, Seiichi Mita
Patented Case
View Patent ↗
Granted: Aug 15, 2000
Filed: Sep 29, 1998
Inventors
Yoshiteru Ishida
Naoki Satoh
Terumi Takashi
Akihiko Hirano
Seiichi Mita
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.