Granted Patent
Utility
US 6,043,945 · App. 08/935,520
Recording/reproducing device and method of replacing defective sector on media
Inventors:
Takehiko Tsuboi, Koji Ikenoya, Tomoo Furukawa, Toshihiko Matsuda, Koji Ishii, Hiroyuki Kobayashi, Yukio Abe
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Sep 23, 1997
Inventors
Takehiko Tsuboi
Koji Ikenoya
Tomoo Furukawa
Toshihiko Matsuda
Koji Ishii
Hiroyuki Kobayashi
Yukio Abe
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.