Granted Patent
Utility
US 6,466,400 · App. 09/712,362
Magnetic disk drive capable of reducing noise at starting utilizing conjoining, damped washers to support shafts in the disk drive
Inventors:
Hiroyuki Iwahara, Keiji Aruga, Yoshinori Ogawa, Yoshiaki Koizumi, Mitsuhiro Izumi, Mitsuaki Yoshida, Yasuhiro Miura
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Nov 14, 2000
Inventors
Hiroyuki Iwahara
Keiji Aruga
Yoshinori Ogawa
Yoshiaki Koizumi
Mitsuhiro Izumi
Mitsuaki Yoshida
Yasuhiro Miura
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.