Patents by Inventor Takahiko Sumino

Takahiko Sumino 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).

  • POLYAMIDE RESIN
    Publication number: 20110224370
    Abstract: A polyamide resin composed of constitutional units derived from a diamine component 70 mol % or more of which is derived from p-xylylenediamine and constitutional unit derived from a dicarboxylic acid 70 mol % or more of which is derived from an aliphatic dicarboxylic acid having 6 to 18 carbon atoms. The polyamide resin has a number average molecular weight (Mn) of 10,000 to 50,000 and a degree of dispersion (weight average molecular weight/number average molecular weight=Mw/Mn) satisfying the following formula (1): 1.5?(Mw/Mn)?6.0, wherein Mw and Mn are determined by gel permeation chromatography (GPC).
    Type: Application
    Filed: September 15, 2009
    Publication date: September 15, 2011
    Applicant: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Tomomichi Kanda, Hisayuki Kuwahara, Shun Ogawa, Takahiko Sumino, Kentaro Ishii