Patents by Inventor Atsuhiko UMEZAWA

Atsuhiko UMEZAWA 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).

  • Adhesive composition and production method thereof
    Patent number: 9605192
    Abstract: An adhesive composition contains a polyurethane-polyolefin complex composed of a polyurethane having a first functional group and a polyolefin having a second functional group that reacts with the first functional group. The polyurethane and the polyolefin is bound by a reaction between the first functional group and the second functional group.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: March 28, 2017
    Assignee: Auto Chemical Industry Co., Ltd.
    Inventors: Sou Saitou, Shinichi Iwase, Atsuhiko Umezawa
  • Adhesive Composition and Production Method Thereof
    Publication number: 20150152300
    Abstract: An adhesive composition contains a polyurethane-polyolefin complex composed of a polyurethane having a first functional group and a polyolefin having a second functional group that reacts with the first functional group. The polyurethane and the polyolefin is bound by a reaction between the first functional group and the second functional group.
    Type: Application
    Filed: December 2, 2014
    Publication date: June 4, 2015
    Inventors: Sou SAITOU, Shinichi IWASE, Atsuhiko UMEZAWA