Granted Patent
Utility
US 5,808,975 · App. 08/789,951
Optical storage apparatus
Inventor:
Hiroshi Tani
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Jan 27, 1997
Inventor
Hiroshi Tani
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.