Patents by Inventor Tatsuro Kawauchi

Tatsuro Kawauchi 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).

  • Honeycomb structure
    Patent number: 9322311
    Abstract: The columnar honeycomb structure 10 extending along a central axis CL, including a first end surface 10a and a second end surface 10b, and a partition wall 10c forming a plurality of first flow passages Ra and a plurality of second flow passages Rb, in which the first flow passages Ra are opened at the side of the first end surface 10a and plugged at the side of the second end surface 10b, the second flow passages Rb are plugged at the side of the first end surface 10a and opened at the side of the second end surface 10b, and the honeycomb structure includes a circular row W formed by arranging the second flow passages Rb adjoining and partitioned by the partition wall 10c in a circular pattern.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: April 26, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kentaro Iwasaki, Tatsuro Kawauchi, Hajime Yoshino, Teruo Komori
  • HONEYCOMB STRUCTURE
    Publication number: 20140290197
    Abstract: The columnar honeycomb structure 10 extending along a central axis CL, including a first end surface 10a and a second end surface 10b, and a partition wall 10c forming a plurality of first flow passages Ra and a plurality of second flow passages Rb, in which the first flow passages Ra are opened at the side of the first end surface 10a and plugged at the side of the second end surface 10b, the second flow passages Rb are plugged at the side of the first end surface 10a and opened at the side of the second end surface 10b, and the honeycomb structure includes a circular row W formed by arranging the second flow passages Rb adjoining and partitioned by the partition wall 10c in a circular pattern.
    Type: Application
    Filed: October 19, 2012
    Publication date: October 2, 2014
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kentaro Iwasaki, Tatsuro Kawauchi, Hajime Yoshino, Teruo Komori
  • Particulate filter
    Patent number: D732152
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: June 16, 2015
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kentaro Iwasaki, Tatsuro Kawauchi, Hajime Yoshino, Teruo Komori
  • Particulate filter
    Patent number: D744078
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: November 24, 2015
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kentaro Iwasaki, Tatsuro Kawauchi, Hajime Yoshino, Teruo Komori