Patents by Inventor Takumi Nakahira

Takumi Nakahira 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).

  • Storage battery
    Patent number: D645814
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: September 27, 2011
    Assignee: Nintendo Co., Ltd.
    Inventors: Kazuumi Otani, Takeshi Nabesaka, Takumi Nakahira
  • Storage battery
    Patent number: D684114
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: June 11, 2013
    Assignee: Nintendo Co., Ltd
    Inventors: Kazuumi Otani, Junichi Saito, Takumi Nakahira