Granted Patent
Utility
US 6,549,352 · App. 09/440,822
Signal processing apparatus utilizing a partial response method, and signal processing method, information recording apparatus, and information reproduction apparatus therefore
Inventors:
Hiroshi Uno, Kiichiro Kasai, Nobuyoshi Yamasaki
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Nov 15, 1999
Inventors
Hiroshi Uno
Kiichiro Kasai
Nobuyoshi Yamasaki
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.