Patents by Inventor Masamitu Tukahara

Masamitu Tukahara 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).

  • Patent number: 5829483
    Abstract: A hose includes an outer hose member, and an inner hose member. The outer hose member includes a first bellows-like tubular portion at least in the intermediate area in the axial direction. The inner hose member is disposed substantially coaxially in the outer hose member, includes a second bellows-like tubular portions in the area corresponding to the first bellows-like tubular portion of the outer hose member, and adapted to form a tubular air layer between the second bellows-like tubular portion and the first bellows-like tubular portion. Because of the outer hose member and the inner hose member, the hose exhibits a high flexibility, a reliable barrier ability against gasoline fuels or the like, and an improved adiabatic ability and anti-flammability for the inner hose member.
    Type: Grant
    Filed: October 3, 1995
    Date of Patent: November 3, 1998
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Masamitu Tukahara, Shinji Ito, Tadanobu Iwasa, Fujio Ninomiya, Hiroyuki Mori, Joji Kasugai, Hidetoshi Ishihara, Masayuki Nakagawa
  • Patent number: 4951962
    Abstract: A vibration-proof structure for axle beam of a motor vehicle has an axle beam composed of a long cylindrical body of a letter U-shaped section opening downwards, which is disposed in the width direction of the motor vehicle. Axles are provided at both ends of the long cylindrical body, a stabilizer bar is disposed in the center of an interior of the long cylindrical body so as to connect the both ends of the long cylindrical body, and at least one vibration-proof rubber body is interposed between an inner wall of the axle beam and the stabilizer bar from the underside thereof in elastic contact therewith. The vibration-proof rubber body has an engaging member for engaging the vibration-proof rubber body with the axle beam or the stabilizer bar. The vibration-proof rubber body can be easily installed within the axle beam after the assembling of the axle beam and the stabilizer bar.
    Type: Grant
    Filed: June 18, 1987
    Date of Patent: August 28, 1990
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Mamoru Tomida, Sadao Kondo, Masato Ueno, Takamasa Suzuki, Masamitu Tukahara, Yosiyuki Asakawa