Granted Patent
Utility
US 6,597,540 · App. 10/198,230
Head arm having through hole for making head arm lightweight, head moving mechanism and disk unit having the head arm
Inventors:
Naozumi Tsuda, Tsugito Maruyama
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Jul 18, 2002
Inventors
Naozumi Tsuda
Tsugito Maruyama
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.