Granted Patent
Utility
US 6,038,093 · App. 08/880,518
Magnetic recording/reproducing apparatus with a current supplying circuit for demagnetizing residual magnetization remaining at an end of a magnetic pole
Inventors:
Noboru Takada, Chie Takeda, Hiroaki Wakamatsu, Masayoshi Shinohara, Kenji Sato, Kenichi Aoshima
Patented Case
View Patent ↗
Granted: Mar 14, 2000
Filed: Jun 24, 1997
Inventors
Noboru Takada
Chie Takeda
Hiroaki Wakamatsu
Masayoshi Shinohara
Kenji Sato
Kenichi Aoshima
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.