Patents by Inventor Tatsunari Yanagisawa

Tatsunari Yanagisawa 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).

  • Exhaust gas purifying apparatus and method for manufacturing exhaust gas purifying apparatus
    Patent number: 8388899
    Abstract: An exhaust gas purifying apparatus includes an exhaust gas treating body, a metal casing, and a holding sealing material. The exhaust gas treating body has a longitudinal direction and includes cell walls extending along the longitudinal direction to define cells between the cells. The metal casing has an inner surface and houses the exhaust gas treating body to face the inner surface. The holding sealing material is provided between the exhaust gas treating body and the inner surface of the metal casing to hold the exhaust gas treating body in the metal casing. The holding sealing material includes an inorganic fiber aggregated body. The metal casing has a corrosion area at least on a part of the inner surface. The corrosion area includes a corroded base material of the metal casing.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: March 5, 2013
    Assignee: Ibiden Co., Ltd.
    Inventors: Kenichi Mitani, Masayuki Eguchi, Tatsunari Yanagisawa
  • Holding sealer, exhaust gas processing device and manufacturing method of the same
    Patent number: 7842117
    Abstract: The holding sealer comprises inorganic fibers, and the holding sealer has a first surface and a second surface, wherein the first surface has ditch-shaped structures.
    Type: Grant
    Filed: June 8, 2007
    Date of Patent: November 30, 2010
    Assignee: Ibiden Co., Ltd.
    Inventors: Hisashi Ando, Tatsunari Yanagisawa
  • EXHAUST GAS PURIFYING APPARATUS AND METHOD FOR MANUFACTURING EXHAUST GAS PURIFYING APPARATUS
    Publication number: 20100239468
    Abstract: An exhaust gas purifying apparatus includes an exhaust gas treating body, a metal casing, and a holding sealing material. The exhaust gas treating body has a longitudinal direction and includes cell walls extending along the longitudinal direction to define cells between the cells. The metal casing has an inner surface and houses the exhaust gas treating body to face the inner surface. The holding sealing material is provided between the exhaust gas treating body and the inner surface of the metal casing to hold the exhaust gas treating body in the metal casing. The holding sealing material includes an inorganic fiber aggregated body. The metal casing has a corrosion area at least on a part of the inner surface. The corrosion area includes a corroded base material of the metal casing.
    Type: Application
    Filed: March 16, 2010
    Publication date: September 23, 2010
    Applicant: IBIDEN CO., LTD.
    Inventors: Kenichi MITANI, Masayuki Eguchi, Tatsunari Yanagisawa