Patents by Inventor Kiyosuke Ueki

Kiyosuke Ueki 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).

  • Rubber compounds containing vulcanized scrap rubber, methods of manufacturing such rubber compounds
    Patent number: 5556888
    Abstract: A rubber compound obtained by compounding a raw rubber, powdered vulcanized scrap rubber with its surface partially processed via a swelling treatment, a vulcanizing agent and a vulcanizing accelerator. When manufacturing the compound, the scrap rubber is treated beforhand under ordinary temperature atomosphere by being mixed with a reclaiming agent that contains petroleum process oil.
    Type: Grant
    Filed: March 17, 1995
    Date of Patent: September 17, 1996
    Assignees: Mazda Motor Corporation, Kurashiki Kako Co., Ltd.
    Inventors: Tadashi Koda, Masao Hara, Kiyosuke Ueki, Kei Mori