Patents by Inventor Takahisa Iwahori

Takahisa Iwahori 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).

  • Vinyl chloride resin composition for powder molding, vinyl chloride resin molded article and laminate
    Patent number: 10196503
    Abstract: A vinyl chloride resin composition of the present invention for powder molding comprises: 100 parts by mass of (a) vinyl chloride resin particles having an average polymerization degree of 2300 to 4100; and 100 parts by mass to 200 parts by mass of (b) a plasticizer containing a trimellitate plasticizer and/or a pyromellitate plasticizer.
    Type: Grant
    Filed: November 15, 2013
    Date of Patent: February 5, 2019
    Assignee: ZEON CORPORATION
    Inventors: Takahisa Iwahori, Yuya Kitagawa
  • VINYL CHLORIDE RESIN COMPOSITION FOR POWDER MOLDING, VINYL CHLORIDE RESIN MOLDED ARTICLE AND LAMINATE
    Publication number: 20150322244
    Abstract: A vinyl chloride resin composition of the present invention for powder molding comprises: 100 parts by mass of (a) vinyl chloride resin particles having an average polymerization degree of 2300 to 4100; and 100 parts by mass to 200 parts by mass of (b) a plasticizer containing a trimellitate plasticizer and/or a pyromellitate plasticizer.
    Type: Application
    Filed: November 15, 2013
    Publication date: November 12, 2015
    Applicant: ZEON CORPORATION
    Inventors: Takahisa IWAHORI, Yuya KITAGAWA
  • VINYL CHLORIDE RESIN COMPOSITION FOR POWDER MOLDING, AND MOLDED ARTICLE AND LAMINATE OF VINYL CHLORIDE RESIN
    Publication number: 20130089728
    Abstract: A vinyl chloride resin composition for powder molding contains 100 parts by mass of (a) a vinyl chloride resin, 65 to 105 parts by mass of (b) a specific trimellitate plasticizer, and 10 to 50 parts by mass of (c) a specific diester phthalate plasticizer. A mixture ratio of (c) the specific diester phthalate plasticizer to whole plasticizers is in a range of 5 to 50 percents by mass.
    Type: Application
    Filed: July 8, 2011
    Publication date: April 11, 2013
    Applicant: ZEON CORPORATION
    Inventors: Toshiya Kobayashi, Takahisa Iwahori