Patents by Inventor Takami Morishita

Takami Morishita 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).

  • THERMOPLASTIC RESIN COMPOSITION FOR OPTICAL MATERIAL, MOLDED ARTICLE, COMPOUNDING AGENT, METHOD FOR PRODUCING THERMOPLASTIC RESIN COMPOSITION, AND METHOD FOR IMPROVING TRANSMISSIVITY
    Publication number: 20230295373
    Abstract: A thermoplastic resin composition for an optical material is provided. The thermoplastic resin composition contains a compounding agent represented by general formula (1). (In general formula (1), R1 to R5 independently represent a hydrogen atom, or an alkyl group having 1 to 20 carbon atoms in total which may have a substituent; R6 to R9 independently represent a hydrogen atom, or an alkyl group having 1 to 20 carbon atoms in total which may have a substituent; and R10 represents a hydrogen atom, or an alkyl group having 1 to carbon atoms in total.
    Type: Application
    Filed: August 11, 2021
    Publication date: September 21, 2023
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Noriyuki KATO, Katsushi NISHIMORI, Shinya IKEDA, Atsushi MOTEGI, Shoko MURATA SUZUKI, Noriaki OCHI, Masahiro KANDA, Masayuki NAGAI, Takami MORISHITA, Shinichi IKEDA
  • POLYESTER RESIN, AND MOLDED ARTICLE, STRETCHED FILM AND BOTTLE COMPRISING THE SAME
    Publication number: 20220251294
    Abstract: A polyester resin contains a dicarboxylic acid constituent unit and a diol constituent unit, wherein more than 0% by mol and 20% by mol or less of the diol constituent unit is a unit originated from a diol having a cyclic acetal skeleton; 70 to 98% by mol of the diol constituent unit is a unit originated from a diol having an alicyclic skeleton; the diol constituent unit comprises a unit originated from ethylene glycol; 80% by mol or more of the dicarboxylic acid constituent unit is a unit originated from terephthalic acid; and the polyester resin has a physical property indicated by the following (A): (A) the minimum value of the semi-crystallization time is 600 s or less based on a depolarized light intensity method when the polyester resin is melted at 280° C. and crystallized at a constant temperature of 150 to 230° C.
    Type: Application
    Filed: July 8, 2020
    Publication date: August 11, 2022
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Takami MORISHITA, Kouki ADACHI, Masayuki NAGAI
  • Polyester resin composition
    Patent number: 10844215
    Abstract: A polyester resin composition containing a polyester resin and 1 to 500 ppm of ultramarine based on a total amount of the polyester resin composition, wherein the polyester resin contains dicarboxylic acid structural unit and diol structural unit, the diol structural unit contain structural unit derived from a diol having a cyclic acetal skeleton, and a content of the structural unit derived from a diol having a cyclic acetal skeleton is 1 to 60 mol % based on a total amount of the diol structural unit.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: November 24, 2020
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Takami Morishita, Takeshi Hirokane, Kentaro Ishii, Tomoe Morishita, Hirokatsu Arai
  • POLYESTER RESIN COMPOSITION
    Publication number: 20190144662
    Abstract: A polyester resin composition containing a polyester resin and 1 to 500 ppm of ultramarine based on a total amount of the polyester resin composition, wherein the polyester resin contains dicarboxylic acid structural unit and diol structural unit, the diol structural unit contain structural unit derived from a diol having a cyclic acetal skeleton, and a content of the structural unit derived from a diol having a cyclic acetal skeleton is 1 to 60 mol % based on a total amount of the diol structural unit.
    Type: Application
    Filed: May 9, 2017
    Publication date: May 16, 2019
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Takami MORISHITA, Takeshi HIROKANE, Kentaro ISHII, Tomoe MORISHITA, Hirokatsu ARAI
  • POLYESTER RESINS
    Publication number: 20190048136
    Abstract: Provided is a polyester resin including a diol structural unit and a dicarboxylic acid structural unit, wherein the diol structural unit includes a structural unit derived from a diol having a cyclic acetal skeleton, a content of the structural unit derived from the diol having the cyclic acetal skeleton is 1 to 80 mol % based on the total amount of the diol structural unit, and a amount of crosslinking points in the resin chain is 1.0 wt % or less.
    Type: Application
    Filed: March 9, 2017
    Publication date: February 14, 2019
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Takeshi HIROKANE, Takami MORISHITA, Kentaro ISHII
  • Method for producing polyester resin
    Patent number: 9206286
    Abstract: The present invention provides a method for producing a polyester resin comprising dicarboxylic acid units and diol units, wherein at least a portion of the diol units is a diol unit having a cyclic acetal skeleton, the method comprising specific steps (1) to (4-2).
    Type: Grant
    Filed: May 30, 2013
    Date of Patent: December 8, 2015
    Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Tatsuya Yamauchi, Junichi Edahiro, Yasuhiro Kushida, Takami Morishita
  • METHOD FOR PRODUCING POLYESTER RESIN
    Publication number: 20150141614
    Abstract: The present invention provides a method for producing a polyester resin comprising dicarboxylic acid units and diol units, wherein at least a portion of the diol units is a diol unit having a cyclic acetal skeleton, the method comprising specific steps (1) to (4-2).
    Type: Application
    Filed: May 30, 2013
    Publication date: May 21, 2015
    Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC.
    Inventors: Tatsuya Yamauchi, Junichi Edahiro, Yasuhiro Kushida, Takami Morishita