Patents by Inventor Takahiro Sakoda

Takahiro Sakoda 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).

  • Carbon brush produced by mixing a carbonaceous filler and a binder, and kneading, shaping, and baking the mixture
    Patent number: 7859166
    Abstract: A carbon brush that suppresses a wear amount of a carbon commutator and has less swelling is provided. The carbon brush has a part connected to a lead and is one that slides in contact with a carbon commutator that is used in a fuel pump. The bulk density of the carbon brush is 1.85 g/cm3 or less, and the shore hardness of the carbon brush is 40 or less.
    Type: Grant
    Filed: March 24, 2005
    Date of Patent: December 28, 2010
    Assignee: Totankako Co., Ltd.
    Inventors: Daisuke Namikoshi, Fumihiro Hozumi, Shinichi Suzuki, Takahiro Sakoda
  • Carbon Bruch
    Publication number: 20080303373
    Abstract: A carbon brush that can suppress a wear amount of a carbon commutator and is less swelling is provided. The carbon brush is one that slides in contact with a carbon commutator that is used in a fuel pump, the bulk density thereof being 1.85 g/cm3 or less, and the shore hardness thereof being 40 or less.
    Type: Application
    Filed: March 24, 2005
    Publication date: December 11, 2008
    Applicant: TOTANKAKO CO., LTD.
    Inventors: Daisuke Namikoshi, Fumihiro Hozumi, Shinichi Suzuki, Takahiro Sakoda
  • Metal coated carbon brush
    Patent number: 7129615
    Abstract: Disclosed is a metal coated carbon brush having a carbonaceous substrate and a metal coating formed on a surface of the carbonaceous substrate having a mean pore radius of 0.1–2.0 ?m and an accumulative pore volume of 50–600 mm3/g.
    Type: Grant
    Filed: April 6, 2004
    Date of Patent: October 31, 2006
    Assignee: Totankako Co., Ltd.
    Inventors: Miyozi Arai, Kazuhiro Takahashi, Masayuki Takuma, Takahiro Sakoda
  • Metal coated carbon brush
    Publication number: 20040212272
    Abstract: Disclosed is a metal coated carbon brush having a carbonaceous substrate and a metal coating formed on a surface of the carbonaceous substrate having a mean pore radius of 0.1-2.0 &mgr;m and an accumulative pore volume of 50-600 mm3/g.
    Type: Application
    Filed: April 6, 2004
    Publication date: October 28, 2004
    Applicant: TOTANKAKO CO., LTD.
    Inventors: Miyozi Arai, Kazuhiro Takahashi, Masayuki Takuma, Takahiro Sakoda