Patents by Inventor Tohru Ubukata

Tohru Ubukata 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: D496326
    Type: Grant
    Filed: August 25, 2003
    Date of Patent: September 21, 2004
    Assignee: Bridgestone Corporation
    Inventors: Kazuo Hayashi, Tohru Ubukata, Takayuki Fukunaga
  • Patent number: D496626
    Type: Grant
    Filed: August 25, 2003
    Date of Patent: September 28, 2004
    Assignee: Bridgestone Corporation
    Inventors: Kazuo Hayashi, Tohru Ubukata, Takayuki Fukunaga