Patents by Inventor Akihiro Koide

Akihiro Koide 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 recording medium
    Publication number: 20030021942
    Abstract: A recordable optical recording medium comprising a recording layer containing an organic dye which can absorb a laser beam and a metal reflective layer directly or via another layer on a transparent supporting substrate having a pre-groove and a pre-pit, wherein the organic dye has a refractive index nk of 2.
    Type: Application
    Filed: June 24, 2002
    Publication date: January 30, 2003
    Inventors: Akihiro Koide, Yuji Inatomi, Tadashi Koike
  • Optical recording medium
    Patent number: 6001444
    Abstract: Provided is an optical recording medium comprising at least a recording layer, a metal reflective layer, a protective layer and a printing layer laminated on a transparent substrate, wherein the printing layer is obtained by curing a UV-curing ink composition and said ink composition contains a compound which has a solubility parameter falling in the range of 7 to 10 and which takes no part in UV curing and does not react with other components contained therein.
    Type: Grant
    Filed: December 12, 1997
    Date of Patent: December 14, 1999
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Akihiro Koide, Satoru Suda, Hideo Usui, Kenichi Arai, Yuuichi Ito, Taisaku Kano, Seiji Kawamoto