Patents by Inventor Takehiro Hirahara

Takehiro Hirahara 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).

  • Impact vibration absorbers and devices that incorporated them
    Patent number: 5766720
    Abstract: An absorber of impact-caused vibrations which is excellent in absorbing impact-caused vibrations, particularly relates to vibration absorption from sports instruments, tools or bicycle associated with impact-caused vibrations, for example, with the absorber of impact-caused vibrations made of a weight and an elastomer attached to a part of devices such as grip end, absorbs impact-caused vibration energy by converting impact-caused vibrations of devices to moving energy of a weight.
    Type: Grant
    Filed: August 2, 1995
    Date of Patent: June 16, 1998
    Assignee: Toray Industries, Inc.
    Inventors: Masahiro Yamagishi, Hisashi Tazawa, Takehiro Hirahara