Patents by Inventor Kumi Tachibana

Kumi Tachibana 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).

  • Gasket for electrochemical cell and electrochemical cell
    Patent number: 9034512
    Abstract: Provided is a gasket for an electrochemical cell, which has good sealing performance and is capable of improving productivity of the gasket, and an electrochemical cell. A gasket (4) for an electrochemical cell, which is made of a resin and has an annular shape including an outer wall and an inner wall, includes a plurality of annular salient portions (4a) formed on an inner side surface of the outer wall.
    Type: Grant
    Filed: March 11, 2011
    Date of Patent: May 19, 2015
    Assignee: SEIKO INSTRUMENTS INC.
    Inventors: Koji Sato, Masashi Yamada, Shunji Watanabe, Kumi Tachibana
  • GASKET FOR ELECTROCHEMICAL CELL AND ELECTROCHEMICAL CELL
    Publication number: 20110223471
    Abstract: Provided is a gasket for an electrochemical cell, which has good sealing performance and is capable of improving productivity of the gasket, and an electrochemical cell. A gasket (4) for an electrochemical cell, which is made of a resin and has an annular shape including an outer wall and an inner wall, includes a plurality of annular salient portions (4a) formed on an inner side surface of the outer wall.
    Type: Application
    Filed: March 11, 2011
    Publication date: September 15, 2011
    Inventors: Koji Sato, Masashi Yamada, Shunji Watanabe, Kumi Tachibana