Patents by Inventor Sumito Kihara

Sumito Kihara 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).

  • SEMI-AROMATIC POLYAMIDE FILM AND METHOD FOR PRODUCING SAME
    Publication number: 20220220256
    Abstract: A semi-aromatic polyamide film having a thermal shrinkage factor in the longitudinal direction of the film, SMD, of ?1.0 to 1.5% and a thermal shrinkage factor in the width direction of the film, STD, of ?1.0 to 1.5% as measured under the conditions of 250° C. and 5 min, a tensile breaking elongation of 70% or more in the longitudinal direction and the width direction, and a haze of 14% or less.
    Type: Application
    Filed: May 13, 2020
    Publication date: July 14, 2022
    Applicant: UNITIKA LTD.
    Inventors: Takashi Okabe, Masafumi Yamamoto, Sumito Kihara
  • POLYESTER FILM
    Publication number: 20210276316
    Abstract: This polyester film has at least one surface constituted of a polyester film layer A, and is characterized in that: a polyester resin constituting the polyester film layer A has an inherent viscosity of 0.63 to 0.85 dl/g; the polyester film layer A contains organic particles and the surface of the polyester film layer A has an arithmetic average roughness (Ra) of a roughness curve of 0.2 to 1.0 ?m, and an average length (RSm) of roughness curve elements of 10 to 250 ?m.
    Type: Application
    Filed: September 28, 2017
    Publication date: September 9, 2021
    Applicant: UNITIKA LTD.
    Inventors: Masafumi Yamamoto, Sumito Kihara, Takashi Ando