Patents by Inventor Kiyotaka Toma

Kiyotaka Toma 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).

  • Automobile hood
    Patent number: 7114765
    Abstract: An automobile hood has a skin and a frame reinforcing it. At least part of a space defined between the skin and the frame is packed with a foamed metal which breaks down continuously upon receiving an external force. Its continuous breakdown absorbs a substantially equal amount of impact energy continuously.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: October 3, 2006
    Assignee: Honda Motor Co., Ltd.
    Inventors: Ryoichi Ishikawa, Katsuhiro Shibata, Kiyotaka Toma, Masashi Ishii
  • Automobile hood
    Publication number: 20060006698
    Abstract: An automobile hood has a skin and a frame reinforcing it. At least part of a space defined between the skin and the frame is packed with a foamed metal which breaks down continuously upon receiving an external force. Its continuous breakdown absorbs a substantially equal amount of impact energy continuously.
    Type: Application
    Filed: June 27, 2005
    Publication date: January 12, 2006
    Inventors: Ryoichi Ishikawa, Katsuhiro Shibata, Kiyotaka Toma, Masashi Ishii