Patents by Inventor Okihiro Iwaki

Okihiro Iwaki 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).

  • Shock sensors
    Patent number: 5770792
    Abstract: A shock sensor including a magnetic reed switch extending in a direction in which shocks are to be detected, a member movable along the magnetic reed switch due to the shocks and including a magnet for imparting a magnetic force to the magnetic reed switch to turn on the magnetic reed switch, a coil spring for biasing the moving member toward one side of the magnetic reed switch, and an adjuster for adjusting the time duration in which the magnetic reed switch is on. The adjuster also reduces the moving speed of the moving member of adjusts the turn-on time when the magnetic reed switch is turned on.
    Type: Grant
    Filed: October 28, 1996
    Date of Patent: June 23, 1998
    Assignee: Nippon Aleph Corporation
    Inventors: Tsutomu Nakada, Akira Fuse, Yoshiyuki Sugiyama, Yuji Tsuda, Okihiro Iwaki