Patents by Inventor Kazunari Amatsu

Kazunari Amatsu 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: 4946195
    Abstract: An upper part of a steering column is supported by a first supporting member and a lower part of the steering column is connected releasably to a car body by a second supporting member. Such component state is released by a releasing device which detects a predetermined state of collision upon the occurrence of a collision. This arrangement restricts the extent of rearward movement of a steering wheel and adjusts properly the amount of upward movement of the steering handle, thereby contributing to the improvement of safety.
    Type: Grant
    Filed: March 7, 1989
    Date of Patent: August 7, 1990
    Assignee: Mazda Motor Corporation
    Inventors: Tadashi Ioka, Katsumi Sakane, Toshifumi Suzuki, Kazunari Amatsu, Kaoru Shimada