Granted Patent
Utility
US 6,667,116 · App. 09/559,955
Magnetic recording media, the manufacturing method for the same, and magnetic recording device
Inventors:
Hiroyuki Uwazumi, Akira Saito, Tsuyoshi Onitsuka, Tadaaki Oikawa
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Apr 27, 2000
Inventors
Hiroyuki Uwazumi
Akira Saito
Tsuyoshi Onitsuka
Tadaaki Oikawa
Assignee (at issue)
FUJI ELECTRIC CO., LTD.
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.