Granted Patent
Utility
US 6,507,447 · App. 09/588,444
Magnetic information storage device having a high-sensitivity magnetic sensor and a signal processing circuit processing an output of the high-sensitivity magnetic sensor
Inventor:
Yasuhiko Takahashi
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Jun 6, 2000
Inventor
Yasuhiko Takahashi
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.