Patents by Inventor Masao Ecchuya

Masao Ecchuya 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: 3974532
    Abstract: Padding for mattresses, cushions, pillows etc. comprises a soft board-like base member and a plurality of elongated padding members disposed in parallel relationship on the base member. The construction provides the mattress with a proper hardness and flexibility and enables the sleeper to maintain an ideal sleeping posture. The elongated padding members may be provided with small projections to give a moderate stimulus to the human body, and may be formed with perforations for ventilation. The elongated padding members may be provided on both sides of the base member and the elongated padding members provided on one side may be offset from those provided on the other side to increase cushion effect.
    Type: Grant
    Filed: March 10, 1975
    Date of Patent: August 17, 1976
    Assignee: Mitsuyoshi Hamasu
    Inventor: Masao Ecchuya