Patents by Inventor Sachio MATSUDA

Sachio MATSUDA 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).

  • Heat exchanger
    Patent number: 10281222
    Abstract: A heat exchanger includes: each of the fin plates having a V shaped or trapezoid corrugated shape, and including top walls positioned at top portions of the corrugated shape, bottom walls positioned at bottom portions of the corrugated shape, and foot portions each connecting one of the top walls and one of the bottom walls, each of the foot portions having a rectangular corrugated shape along one of the top walls and one of the bottom walls, and including stepped walls formed at a predetermined interval along the one of the top walls and the one of the bottom walls, and opening portions each formed in one of the stepped walls, and being an elongated through holes having a width equal to or smaller than a thickness of one of the fin plates.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: May 7, 2019
    Assignee: MAHLE FILTER SYSTEMS JAPAN CORPORATION
    Inventors: Masahiro Ariyama, Sachio Matsuda, Yuki Koshiba, Noriaki Matsumura, Kenji Yamashita, Katsuhiro Isoda
  • HEAT EXCHANGER
    Publication number: 20180094877
    Abstract: A heat exchanger includes: each of the fin plates having a V shaped or trapezoid corrugated shape, and including top walls positioned at top portions of the corrugated shape, bottom walls positioned at bottom portions of the corrugated shape, and foot portions each connecting one of the top walls and one of the bottom walls, each of the foot portions having a rectangular corrugated shape along one of the top walls and one of the bottom walls, and including stepped walls formed at a predetermined interval along the one of the top walls and the one of the bottom walls, and opening portions each formed in one of the stepped walls, and being an elongated through holes having a width equal to or smaller than a thickness of one of the fin plates.
    Type: Application
    Filed: September 29, 2017
    Publication date: April 5, 2018
    Applicant: MAHLE FILTER SYSTEMS JAPAN CORPORATION
    Inventors: Masahiro ARIYAMA, Sachio MATSUDA, Yuki KOSHIBA, Noriaki MATSUMURA, Kenji YAMASHITA, Katsuhiro ISODA