Granted Patent
Utility
US 6,607,612 · App. 09/743,283
Magnetic alloy and magnetic recording medium and method for preparation thereof, and target for forming magnetic film and magnetic recording device
Inventor:
Migaku Takahashi
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Jan 8, 2001
Inventor
Migaku Takahashi
Assignees (at issue)
Migaku Takahashi
FUJI ELECTRIC CO., LTD.
Showa Denko K.K.
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.