Patents by Inventor Yoshitomi Fujimoto

Yoshitomi Fujimoto 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 device for a diesel engine
    Patent number: 5065576
    Abstract: An exhaust gas purifying device for a diesel engine comprising an outer casing accommodating a catalyst-carrying honeycomb having a dustfree structure, and a baffle plate arranged in the outer casing of the device between an gas inlet of the case and the catalyst-carrying honeycomb. The honeycomb structure has open cells having a size equal to or less than 100 cells per square inch, to allow particles to pass therethrough. The baffle plate directs the exhaust gas over surface of the catalyst-carrying honeycomb, with a uniform distribution thereof.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: November 19, 1991
    Assignee: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
    Inventors: Hirotaka Kanazawa, Yoshitomi Fujimoto, Michio Suzuki