Patents by Inventor Masanorni Ikuta

Masanorni Ikuta 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).

  • Squarylium compounds and optical recording media using the same
    Publication number: 20030082329
    Abstract: An object of the present invention is to provide novel squarylium compounds having the spectroscopic properties, light resistance, solubility and thermal decomposition properties suitable for a recording material for DVD-R, and optical recording media using the same. More particularly, the present invention provides novel squarylium compounds represented by the general formula (I). In addition, the present invention provides optical recording media having a recording layer containing said squarylium compound.
    Type: Application
    Filed: November 28, 2001
    Publication date: May 1, 2003
    Inventors: Ikuo Shimizu, Hiroshi Toyoda, Motoharu Kinugasa, Shiho Yamada, Masanorni Ikuta, Kenji Muthoa, Tsutomu Satoh, Tatsuya Tomura