Patents by Inventor Ryu Kohase

Ryu Kohase 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).

  • Reflector for LED and light-emitting device equipped with same
    Patent number: 10253181
    Abstract: The present invention provides a reflector for an LED, including a polyamide composition and configure to keep high reflectance and high degree of whiteness even after being irradiated with LED light for a long period of time. The present invention is a reflector for an LED, including a polyamide composition containing polyamide (A) that has dicarboxylic acid units including 50 to 100 mol % of 1,4-cyclohexanedicarboxylic acid units and diamine units including 50 to 100 mol % of aliphatic diamine units having 4 to 18 carbon atoms.
    Type: Grant
    Filed: September 2, 2010
    Date of Patent: April 9, 2019
    Assignee: KURARAY CO., LTD.
    Inventors: Kozo Tamura, Hideharu Matsuoka, Ryu Kohase
  • REFLECTOR FOR LED AND LIGHT-EMITTING DEVICE EQUIPPED WITH SAME
    Publication number: 20120170277
    Abstract: The present invention provides a reflector for an LED, including a polyamide composition and configure to keep high reflectance and high degree of whiteness even after being irradiated with LED light for a long period of time. The present invention is a reflector for an LED, including a polyamide composition containing polyamide (A) that has dicarboxylic acid units including 50 to 100 mol % of 1,4-cyclohexanedicarboxylic acid units and diamine units including 50 to 100 mol % of aliphatic diamine units having 4 to 18 carbon atoms.
    Type: Application
    Filed: September 2, 2010
    Publication date: July 5, 2012
    Applicant: Kuraray Co., Ltd.
    Inventors: Kozo Tamura, Hideharu Matsuoka, Ryu Kohase