Patents by Inventor Takumi Matsunaga

Takumi Matsunaga 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: D913967
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: March 23, 2021
    Assignee: Dai-ichi Seiko Co., Ltd.
    Inventors: Takayoshi Endo, Shuji Touno, Takumi Matsunaga
  • Patent number: D936612
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: November 23, 2021
    Assignee: Dai-ichi Seiko Co., Ltd.
    Inventors: Takayoshi Endo, Shuji Touno, Takumi Matsunaga