Patents by Inventor Yoshinobu Sawamoto

Yoshinobu Sawamoto 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: 6517154
    Abstract: A yieldable restraint for the upper portion of the child seat for reducing the shock applied to the person sitting on the child seat by restraining equipment in case of a frontal crash. The restraint has an extensive energy-absorbing device in the member connected to the upper portion of the child seat by the tether belt. In case where a large turning force in the forward direction is applied to the child seat mounted on the seat and the connecting member is pulled forward by a force in excess of a prescribed value, the energy-absorbing device extends while absorbing a stress generated by the turning force. The energy-absorbing device may have a stress absorbing groove with crushable portions. Alternatively, a tear seam can be provided on the tether belt wherein the stress is absorbed by the tear seam being torn. Further, the tether belt can be woven so as to elongate while absorbing the stress.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: February 11, 2003
    Assignee: Takata Corporation
    Inventor: Yoshinobu Sawamoto
  • Publication number: 20020043830
    Abstract: A yieldable restraint for the upper portion of the child seat for reducing the shock applied to the person sitting on the child seat by restraining equipment in case of a frontal crash. The restraint has an extensive energy-absorbing device in the member connected to the upper portion of the child seat by the tether belt. In case where a large turning force in the forward direction is applied to the child seat mounted on the seat and the connecting member is pulled forward by a force in excess of a prescribed value, the energy-absorbing device extends while absorbing a stress generated by the turning force. The energy-absorbing device may have a stress absorbing groove with crushable portions. Alternatively, a tear seam can be provided on the tether belt wherein the stress is absorbed by the tear seam being torn. Further, the tether belt can be woven so as to elongate while absorbing the stress.
    Type: Application
    Filed: February 7, 2001
    Publication date: April 18, 2002
    Inventor: Yoshinobu Sawamoto
  • Patent number: 6183044
    Abstract: A child seat is formed of a child seat main portion for holding a child having an engaging member, and a base on which the child seat main portion is detachably mounted. The base has a connecting portion to be connected to a vehicle, and a fixing member to be engageable with the engaging member of the child seat main portion. An engagement releasing member is installed in the base or the child seat main portion for releasing an engagement between the fixing member and the engaging member. Since the base can be connected to the vehicle without the child seat main portion, the child seat can be extremely simply fixed to the vehicle.
    Type: Grant
    Filed: January 24, 2000
    Date of Patent: February 6, 2001
    Assignees: Takata Corporation, Toyota Motor Corporation
    Inventors: Toshiro Koyanagi, Koji Hiramatsu, Tsuyoshi Fujiwara, Yoshinobu Sawamoto, Toshiaki Iwasaki, Atsushi Hiroshige, Shunichi Katsumata