Granted Patent
Utility
US 6,099,981 · App. 09/283,305
Magnetic recording medium having a lubricant film coated on optimum conditions and method of evaluating the lubricant film
Inventor:
Ken-ichi Nishimori
Patented Case
View Patent ↗
Granted: Aug 8, 2000
Filed: Apr 1, 1999
Inventor
Ken-ichi Nishimori
Assignee (at issue)
HOYA 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.