Granted Patent
Utility
US 6,016,237 · App. 09/139,765
Shaft construction of a disk drive
Inventors:
Yoshifumi Mizoshita, Tomoyoshi Yamada, Yasumasa Kuroba, Toru Kouhei, Takao Sugawara, Masaru Matsumoto, Hiroyuki Mase, Masao Tsunekewa, Shinji Koganezawa, Keiji Aruga
Patented Case
View Patent ↗
Granted: Jan 18, 2000
Filed: Aug 25, 1998
Inventors
Yoshifumi Mizoshita
Tomoyoshi Yamada
Yasumasa Kuroba
Toru Kouhei
Takao Sugawara
Masaru Matsumoto
Hiroyuki Mase
Masao Tsunekewa
Shinji Koganezawa
Keiji Aruga
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.