Granted Patent
Utility
US 5,875,458 · App. 08/847,837
Disk storage device
Inventors:
Hideto Niijima, Seiji Munetoh, Hiroki Murata, Nobuaki Takahashi
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Apr 28, 1997
Inventors
Hideto Niijima
Seiji Munetoh
Hiroki Murata
Nobuaki Takahashi
Assignee (at issue)
International Business Machines Corporation
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.