Patents by Inventor Yoichi HAGI

Yoichi HAGI 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).

  • Polyurethane elastomer composition and bearing material
    Patent number: 10519311
    Abstract: Provided are a polyurethane elastomer composition excellent in the abrasion resistance and swelling resistance, and a bearing material formed of the polyurethane elastomer composition. The polyurethane elastomer composition contains a polyurethane elastomer of 100 parts by mass, polyethylene wax of 3˜25 parts by mass, and paraffin wax of 1˜10 parts by mass. Further, preferably the polyurethane elastomer composition contains a cobalt based compound of 0.1˜10 parts by mass.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: December 31, 2019
    Assignee: NOK Corporation
    Inventors: Yoichi Hagi, Asahi Kitagawa, Yuichi Suzuki
  • POLYURETHANE ELASTOMER COMPOSITION AND BEARING MATERIAL
    Publication number: 20190016886
    Abstract: Provided are a polyurethane elastomer composition excellent in the abrasion resistance and swelling resistance, and a bearing material formed of the polyurethane elastomer composition. The polyurethane elastomer composition contains a polyurethane elastomer of 100 parts by mass, polyethylene wax of 3˜25 parts by mass, and paraffin wax of 1˜10 parts by mass. Further, preferably the polyurethane elastomer composition contains a cobalt based compound of 0.1˜10 parts by mass.
    Type: Application
    Filed: July 5, 2018
    Publication date: January 17, 2019
    Inventors: Yoichi HAGI, Asahi KITAGAWA, Yuichi SUZUKI