Granted Patent
Utility
US 6,628,601 · App. 09/495,238
Optical disk drive having magnets for generating attractive or repulsive forces
Inventor:
Hiroki Kobayashi
Patented Case
View Patent ↗
Granted: Sep 30, 2003
Filed: Jan 31, 2000
Inventor
Hiroki Kobayashi
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.