Patents by Inventor Kikuo Sekita

Kikuo Sekita 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).

  • Seat cushion pad
    Patent number: 6457777
    Abstract: A seat cushion pad composed of polyurethane foam having a skin layer and a core layer, the polyurethane foam is molded by pouring a polyurethane foam raw material composition into a mould, the seating portion of the seat cushion pad has a one layer structure, wherein the air permeability is 0.05-1.5 cfm (cubic feet/min, i.e., ft3/min) [1.41 to 42.2 L/min], and the hysteresis loss of the core layer is 17% or below.
    Type: Grant
    Filed: August 30, 2000
    Date of Patent: October 1, 2002
    Assignee: Toyo Tire & Rubber Co., Ltd.
    Inventors: Atsushi Kazuno, Masanobu Banno, Takanori Sugie, Katsuya Sato, Kikuo Sekita