Patents by Inventor Shinobu ISHIZU

Shinobu ISHIZU 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).

  • Liquid crystal polymer
    Patent number: 10377851
    Abstract: A resin does not need to incorporate a fluorescent substance and exhibits fluorescence itself. Also, a liquid crystal polymer is provided which does not contain a bleeding out substance such as hydrophobic silica and barium sulfate and which has an effect of suppressing fibrillation in the resin itself. A liquid crystal polymer includes a copolymer of a polymerizable monomer (A) selected from the group consisting of pyromellitic acid or anhydride thereof and a reactive derivative thereof and a polymerizable monomer (B).
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: August 13, 2019
    Assignee: UENO FINE CHEMICALS INDUSTRY, LTD.
    Inventors: Shinobu Ishizu, Hisanari Fujiwara, Akihito Ota
  • LIQUID CRYSTAL POLYMER
    Publication number: 20170291988
    Abstract: An object of the invention is to provide a resin which does not need to incorporate a fluorescent substance and exhibits fluorescence itself. Another object of the invention is to provide a liquid crystal polymer which does not contain a bleeding out substance such as hydrophobic silica and barium sulfate and which has an effect of suppressing fibrillation in the resin itself. The invention relates to a liquid crystal polymer comprising a copolymer of a polymerizable monomer (A) selected from the group consisting of pyromellitic acid or anhydride thereof and a reactive derivative thereof and an other polymerizable monomer (B).
    Type: Application
    Filed: September 8, 2015
    Publication date: October 12, 2017
    Applicant: UENO FINE CHEMICALS INDUSTRY, LTD.
    Inventors: Shinobu ISHIZU, Hisanari FUJIWARA, Akihito OTA