Patents by Inventor Tetsurou Umemoto

Tetsurou Umemoto 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).

  • Patent number: 10703880
    Abstract: The present invention provides a plasticizer for a vinyl chloride resin including an ester compound (A1) represented by General Formula (1): (in the formula, L's each represent an aliphatic oxycarboxylic acid residue having 3 to 18 carbon atoms or a cyclic ester residue having 3 to 18 carbon atoms, R1's each represent an alkyl group having 6 to 18 carbon atoms, R2's each represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, a represents a repeating number of the L, provided that the total of the plural a's is from 1 to 10, and x is an integer of 2 to 4), in order to provide a plasticizer for a vinyl chloride which has excellent compatibility with vinyl chloride resins and with which a vinyl chloride resin composition capable of providing a molded article having excellent freeze resistance and heat resistance can be obtained.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: July 7, 2020
    Assignee: DIC Corporation
    Inventors: Takafumi Noguchi, Akira Urabe, Akio Toyoda, Yoshiyuki Yaoita, Tetsurou Umemoto, Osamu Suzuki
  • Publication number: 20180244894
    Abstract: The present invention provides a plasticizer for a vinyl chloride resin including an ester compound (A1) represented by General Formula (1): (in the formula, L's each represent an aliphatic oxycarboxylic acid residue having 3 to 18 carbon atoms or a cyclic ester residue having 3 to 18 carbon atoms, R1's each represent an alkyl group having 6 to 18 carbon atoms, R2's each represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, a represents a repeating number of the L, provided that the total of the plural a's is from 1 to 10, and x is an integer of 2 to 4), in order to provide a plasticizer for a vinyl chloride which has excellent compatibility with vinyl chloride resins and with which a vinyl chloride resin composition capable of providing a molded article having excellent freeze resistance and heat resistance can be obtained.
    Type: Application
    Filed: August 4, 2016
    Publication date: August 30, 2018
    Inventors: Takafumi Noguchi, Akira Urabe, Akio Toyoda, Yoshiyuki Yaoita, Tetsurou Umemoto, Osamu Suzuki
  • Patent number: 4757321
    Abstract: An antenna terminal board device comprising an antenna board body and a cap engageable with the body, in which the terminal board body and the cap each are provided therein with a space, or a groove, for holding an antenna resistor and an antenna coil, respectively. The terminal board body is also provided with a partition wall which is adapted to be inserted in the groove provided in the cap and restrain movement of the antenna coil inserted therein, whereas the cap is also provided with a protruded portion which is adapted to abut on the antenna resistor inserted in the groove provided in the body to restrain movement of the resistor.
    Type: Grant
    Filed: November 18, 1985
    Date of Patent: July 12, 1988
    Assignee: Alps Electric Co., Ltd.
    Inventors: Shigetoshi Matsuta, Tetsurou Umemoto