Patents by Inventor Tooru Kitaguchi

Tooru Kitaguchi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Composite magneto-optical information recording media
    Patent number: 5700565
    Abstract: A composite magneto-optical information recording medium comprising a substrate (1) and a composite magneto-optical recording layer deposited on said substrate. The composite magneto-optical recording layer comprises a magneto-optical layer (2), a metallic layer (3) and an electron transition layer (4) which exhibits transition of electrons in a wavelength range of a laser beam used for recording and/or regenerating information, the three layer being layered successively in this order so that said laser beam (L) impinges on the side of said magneto-optical layer (2).
    Type: Grant
    Filed: September 21, 1995
    Date of Patent: December 23, 1997
    Assignee: Daicel Chemical Industries, Ltd.
    Inventors: Tooru Kitaguchi, Mikio Yoneda