Patents by Inventor Yoshikazu KOI

Yoshikazu KOI 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).

  • Auxiliary weight training device and method for using same
    Patent number: 11857825
    Abstract: A weight training auxiliary device for adjusting a weight training load of training equipment includes a plurality of weights that generate a load, a load transmission mechanism configured to transmit the load of the weights to the training equipment, and a weight attaching/detaching mechanism configured to attach and detach the weights. At least one of the weights has an electromagnet or a permanent electromagnet built in. The weight attaching/detaching mechanism includes a conduction relay configured to control supply of power to the electromagnet or the permanent electromagnet so that the weight training load is adjusted by attaching or detaching the at least one of the weights.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: January 2, 2024
    Assignee: PMG CO., LTD.
    Inventor: Yoshikazu Koi
  • AUXILIARY WEIGHT TRAINING DEVICE AND METHOD FOR USING SAME
    Publication number: 20220212051
    Abstract: A weight training auxiliary device for adjusting a weight training load of training equipment includes a plurality of weights that generate a load, a load transmission mechanism configured to transmit the load of the weights to the training equipment, and a weight attaching/detaching mechanism configured to attach and detach the weights. At least one of the weights has an electromagnet or a permanent electromagnet built in. The weight attaching/detaching mechanism includes a conduction relay configured to control supply of power to the electromagnet or the permanent electromagnet so that the weight training load is adjusted by attaching or detaching the at least one of the weights.
    Type: Application
    Filed: April 23, 2020
    Publication date: July 7, 2022
    Inventor: Yoshikazu KOI