Granted Patent
Utility
US 5,901,121 · App. 09/005,326
Optical storage apparatus having improved eccentricity correction abilities
Inventors:
Tomonori Yamashita, Shigenori Yanagi
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Jan 9, 1998
Inventors
Tomonori Yamashita
Shigenori Yanagi
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.