Patents by Inventor Keiichi Koshin

Keiichi Koshin 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).

  • Publication number: 20190301386
    Abstract: An exhaust heat recovery structure includes a first pipe through which exhaust gas from an engine flows; a second pipe that branches from the first pipe, the second pipe including a heat exchanger that implements heat exchange with the exhaust gas; and an opening and closing valve provided at the first pipe, the opening and closing valve adjusting flow amounts of the exhaust gas flowing into the second pipe, wherein the first pipe includes a first pipe body and a second pipe body that, are adjacent in a flow direction of the exhaust gas, and a join portion between the first pipe body and the second pipe body is provided along a circumferential direction of the first pipe.
    Type: Application
    Filed: March 22, 2019
    Publication date: October 3, 2019
    Inventors: Toshio Murata, Yuuichi Kaido, Keiichi Koshin, Masahiro Shirai, Koji Ichikawa
  • Patent number: D879153
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: March 24, 2020
    Assignee: Sango Co., Ltd.
    Inventors: Keiichi Koshin, Yuuichi Kaitou, Kouji Ichikawa, Masahiro Shirai, Kazunari Matsuura, Daichi Higuma