Granted Patent
Utility
US 6,583,948 · App. 09/326,276
Disc recording/reproducing apparatus and servo signal writing apparatus
Inventor:
Kayoko Taniguchi
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Jun 4, 1999
Inventor
Kayoko Taniguchi
Assignee (at issue)
Sony Precision Technology Inc.
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.