Patents by Inventor Hiroki SAGO

Hiroki SAGO 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).

  • Polymerizable polar compound, liquid crystal composition and liquid crystal display device
    Patent number: 11299675
    Abstract: A polar compound having high chemical stability, high capability of aligning liquid crystal molecules, high solubility in a liquid crystal composition, and a large voltage holding ratio when the compound is used in a liquid crystal display device; and a composition containing the compound. The compound is represented by formula (1).
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: April 12, 2022
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Tomohiro Yano, Fumitaka Kondo, Hiroki Sago
  • POLYMERIZABLE POLAR COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
    Publication number: 20200263089
    Abstract: A polar compound having high chemical stability, high capability of aligning liquid crystal molecules, high solubility in a liquid crystal composition, and a large voltage holding ratio when the compound is used in a liquid crystal display device; and a composition containing the compound. The compound is represented by formula (1).
    Type: Application
    Filed: July 13, 2018
    Publication date: August 20, 2020
    Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Tomohiro YANO, Fumitaka KONDO, Hiroki SAGO
  • POLYMERIZABLE POLAR COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
    Publication number: 20200190016
    Abstract: Provide is a polar compound having high chemical stability, high capability of aligning liquid crystal molecules, high solubility in a liquid crystal composition, and a large voltage holding ratio when the compound is used in a liquid crystal display device. A compound represented by formula (1) is applied. For example, in formula (1), P1 is any one of formulas (1b) to (1i), Sp is a single bond, Z is —COO—, and A is 1,4-phenylene.
    Type: Application
    Filed: July 5, 2018
    Publication date: June 18, 2020
    Applicants: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventors: Tomohiro YANO, Fumitaka KONDOU, Kazuhiro OGITA, Hiroki SAGO, Yoshiharu HIRAI