Patents by Inventor Satoshi Nagaya

Satoshi Nagaya 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).

  • Optical information recording medium
    Patent number: 6218072
    Abstract: An optical information recording medium provided on a substrate thereof with a recording layer comprising a dye-containing layer, wherein the recording layer further comprises an organometallic dye compound containing a metal or a metallic ion, which is characterized in that an absorption spectrum curve of the recording organic dye is intersected with an absorption spectrum curve of the organometallic dye compound, and that the organometallic dye compound exhibits a maximum absorption wavelength on a longer wavelength side in relative to a maximum absorption wavelength of the recording organic dye.
    Type: Grant
    Filed: November 19, 1998
    Date of Patent: April 17, 2001
    Assignee: Taiyo Yuden Co., Ltd.
    Inventors: Kunihiro Otaguro, Mitsue Sakaino, Satoshi Nagaya, Toru Fujii, Yoshikazu Takagishi