Patents by Inventor Takayuki Ohkawara

Takayuki Ohkawara 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: D479977
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: September 30, 2003
    Assignee: YKK Corporation
    Inventors: Tomohisa Ishida, Takayuki Ohkawara, Ryoichiro Uehara
  • Patent number: D480942
    Type: Grant
    Filed: May 24, 2002
    Date of Patent: October 21, 2003
    Assignee: YKK Corporation
    Inventors: Tomohisa Ishida, Takayuki Ohkawara, Ryoichiro Uehara